http://www.answerbag.com/profile/531773 New Answerbag answers from Marks_A_Lot Wed, 30 May 2012 04:59:13 -0700 Wed, 30 May 2012 04:59:13 -0700 http://www.answerbag.com/a_view/9756255 why sea water at deep ocean doesn't turn to ice? ( considering low temperature and very high pressure)<br /><br />density of water .... the density of water increases down to near freezing and thus cold water sinks .. to a point ... just before the freeze point the density of water decreases (starting of a phase change) making it rise..... thus the only water to freeze will be at the top Tue, 12 Oct 2010 19:02:18 -0700 http://www.answerbag.com/a_view/9756255 http://www.answerbag.com/a_view/9756237 I insulated my attic by laying paper-backed rolls (paper up unfortunately), and blowing insul over the boards. MUST I slash the paper?<br /><br />No ... the thermal resistance doesn't care Tue, 12 Oct 2010 18:54:02 -0700 http://www.answerbag.com/a_view/9756237 http://www.answerbag.com/a_view/9756212 Can 50 hz equipment run on 60 hz power?<br /><br />The answer for most equipment is no ... exceptions would be devices such as a heating coil .. frequency if of little impact.... Tue, 12 Oct 2010 18:47:44 -0700 http://www.answerbag.com/a_view/9756212 http://www.answerbag.com/a_view/9756181 Can a 10 amp primary transformer input voltage of 220vac step to 40 amps in the secondary and still output 220 vac, are there such devices<br /><br />No... you would be taking more power out than putting in... remember PIE.. power = I (current) x E (voltage) Tue, 12 Oct 2010 18:43:01 -0700 http://www.answerbag.com/a_view/9756181 http://www.answerbag.com/a_view/9756157 If an electric motor is 230v with 20 amp on the name plate does that mean the moment i hook it up it is drawing 20 amps without a load on it<br /><br />No.. It just means the motor is designed to run at a full load of 20 amps... its still possible to run over or under those amps basedd on actual motor load... but it should be able to run at 20 amps continuously without overheating or damage Tue, 12 Oct 2010 18:37:21 -0700 http://www.answerbag.com/a_view/9756157 http://www.answerbag.com/a_view/9741754 How many grams of calcium nitrate are contained in 2.52 mol of Ca(NO3)2?<br /><br />2.52 g-moles x [ 1 g-mole Ca/ 1 g-mole Ca(NO3)2 ] x 40.04 g/g-mole = 40.04 x 2.52 g = 100.9 g Sat, 09 Oct 2010 01:35:53 -0700 http://www.answerbag.com/a_view/9741754 http://www.answerbag.com/a_view/9740877 from my info; in a circuit,volt. is needed to provide current.So what is the difference between voltage-source and current-source circuits?<br /><br />example .. in industry you may have a transmitter that varies the output voltage as say the pressure increases on the transmitter. thus it is ranged in voltage... but it is more common for the transmitter to output more current as the pressure increases. thus one transmitter is say 4-20 milliamp... Fri, 08 Oct 2010 19:01:30 -0700 http://www.answerbag.com/a_view/9740877 http://www.answerbag.com/a_view/9740819 I have installed a new motion detector light on the garage. When I turned the breaker back on the halogen bulb blew. Thoughts on fixing?<br /><br />be sure the light is 120 volt.... also do not handle the buld with your hands when installing .. the fingerprint oil will decompose on the glass and cause the bulb to shatter from its extreeme heat... use a paper towel .. honest injun Fri, 08 Oct 2010 18:47:07 -0700 http://www.answerbag.com/a_view/9740819 http://www.answerbag.com/a_view/9740801 What is causing my dishwasher not to drain the water after the dish cycle is finished?<br /><br />usually blockage at the screen as it enters the pump... but a bad pump or other blockage .. I once had a kink in the hose on the pump discharge to the sink... it was caused when I slid the unit back into its hole... but first take off the lower sprayer and look for blockage Fri, 08 Oct 2010 18:42:49 -0700 http://www.answerbag.com/a_view/9740801 http://www.answerbag.com/a_view/9738249 I have black mold in my bathroom is it deadly to me or my children?<br /><br />treat it but don't panic... molds are more around us than most people are aware but yes , biological contaminants should be a concern .. ie don't play in a toilet same concern... but don't sell your house because it has a toilet... Fri, 08 Oct 2010 05:55:14 -0700 http://www.answerbag.com/a_view/9738249 http://www.answerbag.com/a_view/9738213 what alloy melts at 1325 degrees?<br /><br />ARE WE TALKING CELCIUS OR FARENHEIT ? Aluminum alloys melt ~1200 degF, chrome ~1800 degC ( 3380 degF) and a full range between for other alloys maybe a link for you to browse http://www.matweb.com/search/DataSheet.aspx?MatGUID=25ce9b7f40364cf79d54ed0db5c8e41f Fri, 08 Oct 2010 05:34:17 -0700 http://www.answerbag.com/a_view/9738213 http://www.answerbag.com/a_view/9738134 what is the highest angle at which rock salt can be stored safely?<br /><br />Angle of repose for rock salt is 32 degrees according the the salt institutes guidance http://www.saltinstitute.org/Education-Center/Snowfighters-training/Salt-storage Fri, 08 Oct 2010 05:03:55 -0700 http://www.answerbag.com/a_view/9738134 http://www.answerbag.com/a_view/9442541 why sea water at deep ocean doesn't turn to ice? ( considering low temperature and very high pressure)<br /><br />dewshaft answered it but maybe not obvious.... water gets denser (and thus sinks)until it gets near freezing .. then (due to crystization) it gets less dense and rises. thus water on the ocean floor will never freeze until the it freezes from the top down... thus water at great depths is not cold... Wed, 28 Jul 2010 19:17:00 -0700 http://www.answerbag.com/a_view/9442541 http://www.answerbag.com/a_view/9442496 Did you ever had to euthanize a pet? Would you do it again?? Eventhough my cat could not eat anymore, I am still feeling guilty - need a hug<br /><br />Yes, Its hard but I really found it best and later feel I did the right thing ... Wed, 28 Jul 2010 19:05:04 -0700 http://www.answerbag.com/a_view/9442496 http://www.answerbag.com/a_view/8999895 What is the difference between a concrete driveway & an asphalt driveway? Specifically, how do I tell them apart from each other?<br /><br />Asphalt driveway is a roll mass of small rock in asphalt ( a black tar). It is layed hot and rolled after which it cools and hardens. Even though it hardens it never gets as hard as concrete. This allows it to be elastic enough to adapt to the contour beneath it. However it is not as strong as... Fri, 07 May 2010 05:43:46 -0700 http://www.answerbag.com/a_view/8999895 http://www.answerbag.com/a_view/8980319 a solid was immersed in water. if a portion of the sample sticks out the water, how will it effect the calculation of the density?<br /><br />denisty is the mass per unit volume. Experimentally it is measured by weighing the solid and measuring the volume by submersion in water.... if not totally submersed .. the volume displaced will be understated thus the weight per volume will be overstated... ie. a greater density reported than... Sun, 02 May 2010 19:09:29 -0700 http://www.answerbag.com/a_view/8980319 http://www.answerbag.com/a_view/8980232 suggest one reason why hydrogen is called a clean fuel<br /><br />Listening to the blogs below would make one think hydrogen is naturally occuring ... hydrogen gas in the form of H2 is almost 100% created from the burning of fossil fuels... very little is created from the electric of a solar cell... so those understanding a life cycle .. well its only clean... Sun, 02 May 2010 18:46:49 -0700 http://www.answerbag.com/a_view/8980232 http://www.answerbag.com/a_view/8980156 Who eats brown sauce? What do you have it with?<br /><br />I use it when I make chop suey .. Sun, 02 May 2010 18:14:05 -0700 http://www.answerbag.com/a_view/8980156 http://www.answerbag.com/a_view/8963327 Scenario: An elderly white man squeezes the trigger and the gun fires. The six black men take off running away from him. Did you imagine this as the start of the 100-yard dash? or a crime scene?<br /><br />Don't know how this question ended up in Urban planning and engineeering but it is a cute question ... thumbs up ... Wed, 28 Apr 2010 19:55:33 -0700 http://www.answerbag.com/a_view/8963327 http://www.answerbag.com/a_view/8963299 How could the thermal efficiency decrease, if the pressure of the steam entering the boiler increased in nonideal rankine cycle?<br /><br />In a simple way the increase in steam pressure leads to an increase in temperature of the steam/water in the boiler system. As this temperature goes up ... the difference in temperature between the combustion gasses and the steam system decreases. thus less heat is transfered ... This leads to a... Wed, 28 Apr 2010 19:46:41 -0700 http://www.answerbag.com/a_view/8963299 http://www.answerbag.com/a_view/8963271 A bucket of tar got knocked over in the garage. Is there any way to clean the tools, ect. that are now covered in tar?<br /><br />mineral spirits, kerosene, diesel fuel... all are good solvents for tars. Wed, 28 Apr 2010 19:34:10 -0700 http://www.answerbag.com/a_view/8963271 http://www.answerbag.com/a_view/8942560 Why is dissolved organic matter in water important to aquatic life forms?<br /><br />The cells of living matter use dissolved, colloidal, solid organic matter Ie. carbon as a source of energy. By combining it with oxygen it provides the energy ... Now if there is an abundance of carbon ... other life forms .. such as algeas .. they may thrive and if they do .. they can lower the... Sat, 24 Apr 2010 04:45:49 -0700 http://www.answerbag.com/a_view/8942560 http://www.answerbag.com/a_view/8876577 why does ice melt faster in water than oil<br /><br />The simple answer is that heat transfer of ice sitting in a bath of oil verses water ... the difference in the heat transfer rates is due to the difference in conductive heat transfer of the two fluids surrounding the ice .. the thermal conductivity of oils (~0.16 watt/degK-M) is lower than that... Sat, 10 Apr 2010 04:43:41 -0700 http://www.answerbag.com/a_view/8876577 http://www.answerbag.com/a_view/8869530 If 0.609 mol Na is mixed with 0.308 mol N2, and 0.136 mol Na3N is obtained, what is the percent yield for the reacion?<br /><br />1. determine the limiting reactant ... How many moles of Na .. 0.609 .. how many moles of N .. 2x0.308= 0.616 ... Now Na3N require 3 Na for each N therefore Na is the limitng reactant since 0.609/3 = 0.203 mole of Na3N possible at 100 % conversion ... thus yeilds in molar % = 0.136/0.203 = 67% Thu, 08 Apr 2010 16:55:07 -0700 http://www.answerbag.com/a_view/8869530 http://www.answerbag.com/a_view/8848309 What does 'omnipotent' mean? One cannot be logical AND illogical at the same time, so 'all powerful' must mean something in particular.<br /><br />Omni meaning "one" Potent meaning "powerful" "strong" rather than meaning "all powerful" it has a meaning closer to the "the only powerful" or the one who is powerful .. Sat, 03 Apr 2010 06:02:38 -0700 http://www.answerbag.com/a_view/8848309 http://www.answerbag.com/a_view/8848300 What does the saying "you don't bring sand to the beach" mean when referring to your s/o?<br /><br />My wife has a colorful family having such a wide array of sayings that I always am trying to find meaning with ... In your case taking sand to the beach would be like you don't take your girlfriend to the beach when there will be several other beauties to watch, hook up with etc ... ... Sat, 03 Apr 2010 05:54:37 -0700 http://www.answerbag.com/a_view/8848300 http://www.answerbag.com/a_view/8848279 Isn't it natural to try to eliminate/remove something/someone whose sole stated purpose is to destroy you?<br /><br />"Try to elimate or remove " .. No ... its natural to protect oneself but thats a far from saying the object or person needs removed ..... IE. the cliff is there .... I just don't walk to the edge ... rather than use dynamite to remove the cliff ... Thats more "natural". In other words its... Sat, 03 Apr 2010 05:33:57 -0700 http://www.answerbag.com/a_view/8848279 http://www.answerbag.com/a_view/8848266 What does "Clean Coal" Mean?<br /><br />It is sad that the other response did not answer the question but chose to divert the answer to a editorial opinion article.... Clean coal reffers to the emergence of cleaner ways to burn coal.... several new technologies burn coal in the presence of limestone which essentially remove the sulfur... Sat, 03 Apr 2010 05:02:34 -0700 http://www.answerbag.com/a_view/8848266 http://www.answerbag.com/a_view/8848249 Can anyone give me a simple method to calculate lighting load for our flat in relation to the main fuse board's lighting fuse rating plse?<br /><br />Its easy as PIE ... Power=I (current) x E (volts) or re-arrange a bit you get Current = Power/ Volts In other words 100 watt bulb is in power so say yo have 120 volt service 100/120 = 0.8 amps ... so on a 20 amp service fuse/breaker you can have as many as 20/0.8 = 25 twenty five "100 watt... Sat, 03 Apr 2010 04:44:55 -0700 http://www.answerbag.com/a_view/8848249 http://www.answerbag.com/a_view/8843302 My son's 1996 marquis has devloped water standing in the drivers floorboard only. Any idea on where to start looking for the source?<br /><br />Another possibility is the car heat tubes have failed and leaked. Does the water appear to have antifreeze in it.... ?? Thu, 01 Apr 2010 22:17:46 -0700 http://www.answerbag.com/a_view/8843302 http://www.answerbag.com/a_view/8843273 1994 mercury sable oil light comes on after 15 to 30 mins of driving, why and how do i fix it?<br /><br />As an engine warms up .. oil gets thinner (less viscous). This results in a drop in pressure ... Usually the clearances on valve guides and engine bearings is tight so that this drop in pressure does not fall below the low pressure switch which turns the low oil pressure light on.... As the... Thu, 01 Apr 2010 21:59:58 -0700 http://www.answerbag.com/a_view/8843273 http://www.answerbag.com/a_view/8837294 my radiator in the house is not working<br /><br />Steam or hot water radiators not getting hot have either become filled with non-condensibles (usually air) or their outlet condensate flow is not flowing. Check your radiator for a means to directly drain the condensate out and a means to bleed the inherts out ... My guess .. given the two... Wed, 31 Mar 2010 04:33:59 -0700 http://www.answerbag.com/a_view/8837294 http://www.answerbag.com/a_view/8837257 Why is wood a bad insulator for homes?<br /><br />http://www.engineeringtoolbox.com/thermal-conductivity-d_429.html The link above is to a site listing thermal conductiities of several common materials. But in general wood .. say plywood is not a bad insulation material it is just also heavier, more costly and requires more work to install than... Wed, 31 Mar 2010 04:16:29 -0700 http://www.answerbag.com/a_view/8837257 http://www.answerbag.com/a_view/8825708 If a person stood still in the rain while in another scenario the same person was moving at 30mph in the same rain, who gets more wet?<br /><br />And is it always going to be raining or will he arrive at a destination and get out of the rain... Sun, 28 Mar 2010 05:31:28 -0700 http://www.answerbag.com/a_view/8825708 http://www.answerbag.com/a_view/8825651 what is the differnce between bath soap and detergent soap<br /><br />Bath soaps are made by reacting an alkalia (usually sodium hydroxide or potassium hydroxide) with a fatty tallow either animal or vegetable oils. For bath soaps its important that the amout of tallow is in excess compared to the amount of alkalia so that the harsh alkalias are totally consumed so... Sun, 28 Mar 2010 04:25:43 -0700 http://www.answerbag.com/a_view/8825651 http://www.answerbag.com/a_view/8825604 My furnace runs great for about 20 minuets then the flame keeps turning on and off when the fan keeps running...any ideas ?<br /><br />All furnaces have a high fuel temperature cutout to stop fuel gas should it reach a high enough temperature. It can go bad but it is more likely that something else is wrong. Usually its a sign that air recirculation is way too low... Does the air feel like it is blowing as hard as it used to... Sun, 28 Mar 2010 03:33:55 -0700 http://www.answerbag.com/a_view/8825604 http://www.answerbag.com/a_view/8819555 I would like to know how to calculate the amount of force needed to pull a load that is made of steel on a clean greased steel plate.<br /><br />In a frictionless world no force is required to MAINTAIN velocity ... so in a non-frictionless world the force required to MAINTAIN velocity is the force required to overcome friction. The coefficient of friction is usually determined by pulling an object at constant speed horizontally and... Fri, 26 Mar 2010 10:20:38 -0700 http://www.answerbag.com/a_view/8819555 http://www.answerbag.com/a_view/8819534 Is there an adhesive that does not contain methylene chloride?<br /><br />Another Westech Advertisement .. This group ask and answers their own questions ... all joined AB the same day (March 25th) ... have asked and answered their own questions with the miracle product from Westech... Hope the "Terms of Use " come down on them with a passion... this is not an... Fri, 26 Mar 2010 10:08:28 -0700 http://www.answerbag.com/a_view/8819534 http://www.answerbag.com/a_view/8819522 To what do you attribute odors of anaerobic decomposition?<br /><br />Two common odors are associated with anaerobic digestion , butyric acid and hydrogen sulfide (if the matter had sulphur) Both are considered unpleasant odors and are detected at low PPM levels. Fri, 26 Mar 2010 10:03:09 -0700 http://www.answerbag.com/a_view/8819522 http://www.answerbag.com/a_view/8818891 How to reuse my 0.5" thick baseboard modeling to cover the gap between new wood floor and the wall without adding shoe modeling?<br /><br />Re-use of molding is difficult in that if you try to remove it it is very brittle and will most likely splinter in some places requiring replacement. If its an unusual style you won't be able to replace it anyway... But if you want to try ... Yes ... assuming you have drywall .. (rather than... Fri, 26 Mar 2010 04:59:39 -0700 http://www.answerbag.com/a_view/8818891 http://www.answerbag.com/a_view/8816281 What is the safest and most effective adhesive or glue that I can use at my air conditioning shop?<br /><br />This seems to be an ad for Westech ... several questions apearing with a Westtech solution... a solve all for everything it appears... some askers are answering their own questions strangely enough... and they... the whole group of askers and answerers ... joined AB the same day ... I wonder if... Thu, 25 Mar 2010 15:24:42 -0700 http://www.answerbag.com/a_view/8816281 http://www.answerbag.com/a_view/8816277 What is the safest and most effective adhesive or glue that I can use at my air conditioning shop?<br /><br />This seems to be an ad for Westech ... several questions apearing with a Westtech solution... a solve all for everything it appears... some askers are answering their own questions strangely enough... and they... the whole group of askers and answerers ... joined AB the same day ... I wonder if... Thu, 25 Mar 2010 15:23:49 -0700 http://www.answerbag.com/a_view/8816277 http://www.answerbag.com/a_view/8816274 What is the best adhesive or glue that bonds wood permanently? I manage a furniture shop and I’m planning to use an entirely new adhesive.<br /><br />This seems to be an ad for Westech ... several questions apearing with a Westtech solution... a solve all for everything it appears... some askers are answering their own questions strangely enough... and they... the whole group of askers and answerers ... joined AB the same day ... I wonder if... Thu, 25 Mar 2010 15:22:46 -0700 http://www.answerbag.com/a_view/8816274 http://www.answerbag.com/a_view/8816272 Is there an adhesive that I can use easily to laminate plastic tiles? I own a small business that deals with home decoration and furnishing.<br /><br />This seems to be an ad for Westech ... several questions apearing with a Westtech solution... a solve all for everything it appears... some askers are answering their own questions strangely enough... and they... the whole group of askers and answerers ... joined AB the same day ... I wonder if... Thu, 25 Mar 2010 15:20:29 -0700 http://www.answerbag.com/a_view/8816272 http://www.answerbag.com/a_view/8816270 What adhesive to use to bond glass windows? My aunt asked my help to replace the windows at her home. I am not sure what glue to use.<br /><br />This seems to be an ad for Westech ... several questions apearing with a Westtech solution... a solve all for everything it appears... some askers are answering their own questions strangely enough... and they... the whole group of askers and answerers ... joined AB the same day ... I wonder if... Thu, 25 Mar 2010 15:19:40 -0700 http://www.answerbag.com/a_view/8816270 http://www.answerbag.com/a_view/8816268 What carpet glue or adhesive to use? I am going to install a stairway carpet in my house. The carpet has a urethane laminated underlay.<br /><br />This seems to be an ad for Westech ... several questions apearing with a Westtech solution... a solve all for everything it appears... some askers are answering their own questions strangely enough... and they... the whole group of askers and answerers ... joined AB the same day ... I wonder if... Thu, 25 Mar 2010 15:18:10 -0700 http://www.answerbag.com/a_view/8816268 http://www.answerbag.com/a_view/8816266 What adhesive to use to install plastic laminate tabletop?<br /><br />This seems to be an ad for Westech ... several questions apearing with a Westtech solution... a solve all for everything it appears... some askers are answering their own questions strangely enough... and they... the whole group of askers and answerers ... joined AB the same day ... I wonder if... Thu, 25 Mar 2010 15:16:18 -0700 http://www.answerbag.com/a_view/8816266 http://www.answerbag.com/a_view/8816206 How to fully insulate the ducts? Seems that the ducts in my building are not working as good as before.<br /><br />This seems to be an ad for Westech ... several questions apearing with a Westtech solution... a solve all for everything it appears... some askers are answering their own questions strangely enough... and they... the whole group of askers and answerers ... joined AB the same day ... I wonder if... Thu, 25 Mar 2010 14:43:59 -0700 http://www.answerbag.com/a_view/8816206 http://www.answerbag.com/a_view/8816200 What hardware store glue to bond Polyurethane foam?<br /><br />This seems to be an ad for Westech ... several questions apearing with a Westtech solution... a solve all for everything it appears... some askers are answering their own questions strangely enough... and they... the whole group of askers and answerers ... joined AB the same day ... I wonder if... Thu, 25 Mar 2010 14:42:48 -0700 http://www.answerbag.com/a_view/8816200 http://www.answerbag.com/a_view/8816162 How to bond metal to metal without soldering? Can I use glue or an adhesive? What do you suggest?<br /><br />This seems to be an ad for Westech ... several questions apearing with a Westtech solution... a solve all for everything it appears... some askers are answering their own questions strangely enough... and they... the whole group of askers and answerers ... joined AB the same day ... I wonder if... Thu, 25 Mar 2010 14:26:16 -0700 http://www.answerbag.com/a_view/8816162 http://www.answerbag.com/a_view/8816103 Is inhaling hydrogen gas created from Zn and HCl harmful?<br /><br />Making hydrogen in this manner usually uses a strong acid ... the vapors besides containing hydrogen will also have some acid unless you adequately scrub the gas ... Thu, 25 Mar 2010 14:00:31 -0700 http://www.answerbag.com/a_view/8816103 http://www.answerbag.com/a_view/8810898 If we spray water (118 F) into air (122 dry bulb, 85 wet bulb), what will be the final temperature of air? 118F or lower than 118F?<br /><br />The lowest you can get is the wet bulb temperature of 85 degF. Think about how that dry bulb when wet got to 85 degF from 122 .... But it really depends on how efficiently mix the water in the air... Industrial cooling towers cool the water aproximately 10 degF below ambient temp ... Wed, 24 Mar 2010 08:21:48 -0700 http://www.answerbag.com/a_view/8810898 http://www.answerbag.com/a_view/8780142 How many moles of Aluminum are needed to form 3.4 moles of Aluminum oxide?<br /><br />Engineer is Terminator rarely makes a mistake .... but his stoichometry is correct his multiplication was slightly in error... yes ...twice as many moles of aluminum is needed ... but 2 x 3.4 is 6.8 moles of aluminum .. Mon, 15 Mar 2010 19:44:12 -0700 http://www.answerbag.com/a_view/8780142 http://www.answerbag.com/a_view/8780131 How many moles of Aluminum are needed to form 3.4 moles of Aluminum oxide?<br /><br />Share your answer... Mon, 15 Mar 2010 19:40:30 -0700 http://www.answerbag.com/a_view/8780131 http://www.answerbag.com/a_view/8751547 Does the branding "Professionally Researched" carry any liability when wrong ? Be intresting in court.<br /><br />But I think correctness would be an attribute ... also... I think there is protection when comments come from the general public... its assumed those are opinions . the seal and status protrayed by "Professionnally Researched " seams to imply that thats the correct offical answer... not just an... Fri, 05 Mar 2010 15:38:46 -0800 http://www.answerbag.com/a_view/8751547 http://www.answerbag.com/a_view/8750229 I am a 27 year old female and my boyfriend who is suffering from anxeity, has stress me out. what can I do to help him<br /><br />Talk candidly with him that his behavior is wearing on you. Its sounds that you are at a breaking point yourself. If you are affiliated with a church they generally offer free counseling which will help both of you understand who owns the problem and what you can do about it. But if the facts... Fri, 05 Mar 2010 03:30:19 -0800 http://www.answerbag.com/a_view/8750229 http://www.answerbag.com/a_view/8750212 Has having a Korean username caused me to receive less answers for my questions?<br /><br />No.. the type of name does not affect me ..... unless its a stupid answerbag staff question trying to drum up conversation.... Fri, 05 Mar 2010 03:17:25 -0800 http://www.answerbag.com/a_view/8750212 http://www.answerbag.com/a_view/8734728 What is the total resistance of two resistors in parallel?<br /><br />Professionally Researched ... My As_.... The "Great Answer" "Professionally Researched" is TOTALLY wrong..... They cited great sources but didn't read.... for resistors in parallel you use the 1/Rt = 1/R1 + 1/R2 + 1/R3 approach for as many resistors that are tied together... But its obvious the... Sun, 28 Feb 2010 05:19:26 -0800 http://www.answerbag.com/a_view/8734728 http://www.answerbag.com/a_view/8734709 Why don't they make hand driven a/c generators?<br /><br />The answer lies in the fact its harder to STORE ac energy. Unless you intend on cranking the generator constantly, the current flow would stop as soon as the crank stops... with DC, a battery can be used to store the additional generated energy and when the crank stops the battery starts its slow... Sun, 28 Feb 2010 05:01:30 -0800 http://www.answerbag.com/a_view/8734709 http://www.answerbag.com/a_view/8734703 why does bulb glow more in d.c current compare to a.c current?<br /><br />Johnthe hero has it correct; But I would like to add a little explanation. A light filament as current passes through it heats up and becomes a better resistor to current flow. So much so that at a given voltage it will limit the MAXIMUM current through the filament. Thus when you apply DC... Sun, 28 Feb 2010 04:55:09 -0800 http://www.answerbag.com/a_view/8734703 http://www.answerbag.com/a_view/8698074 Washer intake leaking through shut-off valve<br /><br />solenoid getting weak is common... they sell the solenoid set as one unit at the appliance parts store... just take it off and buy a new one. my guess $30 dollars US Tue, 16 Feb 2010 18:25:10 -0800 http://www.answerbag.com/a_view/8698074 http://www.answerbag.com/a_view/8698055 Write down a stategy for multipling numbers by 99 and then the same for 999.<br /><br />Say for 99 ... assume its 100 times the number then subtract the number ex... 99x87 say 100 x 87 = 8700 then subtract 87 gives 8613 .. same applies for 999 .. 999x87 = 1000 x 87 = 87000 - 87 = 86913 Tue, 16 Feb 2010 18:13:38 -0800 http://www.answerbag.com/a_view/8698055 http://www.answerbag.com/a_view/8698046 effects of Coal-Water slurry fuel on steel<br /><br />Carbon being very hard will wear on the steel due to its hardness. Be sure to measure the pH of the slurry also. Residual sulphur compound may make the pH low which will add to the problem. Have had experience with coal fired boilers where the coal was dense phase transfered with air. That system... Tue, 16 Feb 2010 18:08:36 -0800 http://www.answerbag.com/a_view/8698046 http://www.answerbag.com/a_view/8687641 Are oil filled electric heaters more efficient than gas furnaces?<br /><br />I'm quickly learning that the new "Professionally Researched" titles are self ordained fiction... The answer to the question ... Oil filled elecrtric is much more Efficient than the gas furnaces. The oil filled heater will be 98% plus efficient (energy in verses energy to heating house" .. The... Fri, 12 Feb 2010 16:01:49 -0800 http://www.answerbag.com/a_view/8687641 http://www.answerbag.com/a_view/8687628 Are oil filled electric heaters more efficient than gas furnaces?<br /><br />Share your answer... Fri, 12 Feb 2010 15:52:59 -0800 http://www.answerbag.com/a_view/8687628 http://www.answerbag.com/a_view/8678366 Ceiling fixture stopped working.It is an upstairs bedroom and we have had roof work above it done.<br /><br />It is rare that wires are run close enough to the roof to be cut by a roofer. It is more likely one of two things happened. A worker accessed to do work in the attic and stepped or jarred wires.. or vibration from pounding caused a loose wire to break enough to open the circuit.... The voltage... Tue, 09 Feb 2010 01:13:57 -0800 http://www.answerbag.com/a_view/8678366 http://www.answerbag.com/a_view/8677803 I have a tanning bed that says it can be wired in 3 different ways, 120/240V 3 wire, 120/208 2 phase w/netural or 120V 1 phase? need help.<br /><br />Actually 2750 watts isn't all that high thats why it can be wired 120v. A 30 amp circuit will handle it with room to spare. So check your breaker box for 30 amp circuits... if none.. you will have to run one. If you don't have a 30 amp breaker comment back and I'll get the next option going.... Mon, 08 Feb 2010 18:16:19 -0800 http://www.answerbag.com/a_view/8677803 http://www.answerbag.com/a_view/8677783 I have a tanning bed that says it can be wired in 3 different ways, 120/240V 3 wire, 120/208 2 phase w/netural or 120V 1 phase? need help.<br /><br />Share your answer... Mon, 08 Feb 2010 18:09:00 -0800 http://www.answerbag.com/a_view/8677783 http://www.answerbag.com/a_view/8677772 How strong is 440 stainless steel? one scale 1-10<br /><br />Hardness for steel is commonly expressed in Rockwell C or Rockwell B ranges... Basically the test it a sharp very hard point being pressed into the metal surface to produce a "dent". The measure of the force is termed hardness... for 440 SS Properties: Rockwell "C" hardness of 58-65, for 440 SS... Mon, 08 Feb 2010 18:02:57 -0800 http://www.answerbag.com/a_view/8677772 http://www.answerbag.com/a_view/8639668 I would be grateful if any one of you could provide some stuff on following tests and the software to calculate the values. 1= E Test 2= F Test This test is related with analysis of mechanical properties of Automobile Parts.<br /><br />The F test use the wiki link http://en.wikipedia.org/wiki/F-test. It gives a very good example on how to calculate under ANOVA Section 3. Most stat packages calculate the F ... one I've used is Qualstat. Not fammiliar with the E Test or how to interpret or calculate. Thu, 28 Jan 2010 03:26:10 -0800 http://www.answerbag.com/a_view/8639668 http://www.answerbag.com/a_view/8639642 what is mm of water column<br /><br />a unit of measure of pressure (or vacuum)... it reffers to the pressure required to raise (or lower) a column of water 1 mm in a manometer ... its a very low pressure .. don't know what units system you are familiar with but 1 mm water column equals apx 0.039 inches water , apx 1/32nd of an inch... Thu, 28 Jan 2010 03:06:16 -0800 http://www.answerbag.com/a_view/8639642 http://www.answerbag.com/a_view/8639619 What is the line of black that is mentioned in stanza 6 of Paul Revere's Ride?<br /><br />Of the lonely belfry and the dead; For suddenly all his thoughts are bent On a shadowy something far away, Where the river widens to meet the bay,-- A line of black that bends and floats On the rising tide like a bridge of boats. My interpretation is that he now sees the line of ships but... Thu, 28 Jan 2010 02:40:40 -0800 http://www.answerbag.com/a_view/8639619 http://www.answerbag.com/a_view/8638762 A tree limb has fallen on our phone line, causing sporadic service. Is this a phone co. job or a tree surgeon job?<br /><br />The phone company has a responsibility to protect the phone lines and will arrange to have a tree removed when threatening the public line Wed, 27 Jan 2010 19:29:57 -0800 http://www.answerbag.com/a_view/8638762 http://www.answerbag.com/a_view/8638757 I have a real wood (i assume!) varnished door which is badly damaged from dog scratches would wood filler work good on this?<br /><br />Many wood fillers are a plastic type compound which should work well fro your need. Wed, 27 Jan 2010 19:26:55 -0800 http://www.answerbag.com/a_view/8638757 http://www.answerbag.com/a_view/8638740 I bought some sulfuric acid (battery acid) from Advance Auto Parts, but it won't dehydrate sugar into carbon. Why won't it work?<br /><br />Freddyboy was right on target... The strong dehydrating nature of Sulfuric acid requires 90% + sulfuric acid below that value it is still acid but looses much of its drying ability. Surgar turns to black carbon when the acid pulls the loosely bound water of hydration out of the surgar molicule.... Wed, 27 Jan 2010 19:20:55 -0800 http://www.answerbag.com/a_view/8638740 http://www.answerbag.com/a_view/8638718 Why is a rudder not at the front of a boat? Are there any disadvantages to doing this?<br /><br />In small boats the motor is usually in the rear so the prop does not direct flow against the boat. Thus when powered the front of the boat rises out of the water making a front rudder a more difficult arrangement than a rear rudder. Wed, 27 Jan 2010 19:07:25 -0800 http://www.answerbag.com/a_view/8638718 http://www.answerbag.com/a_view/8638663 What is temperature reaction betwen chloride gas with iron?<br /><br />At a temperature approaching 390 F iron can ignite in a chlorine environment and burn just like a fire .. But to be complete in an answer ... iron reacts pretty well at temperatures as low as 125 degF but in a very slow way as told by corrosion. Wed, 27 Jan 2010 18:37:06 -0800 http://www.answerbag.com/a_view/8638663 http://www.answerbag.com/a_view/8638619 I'm stuck. I need help answering this question Explain why it is impossible for two animals to be in different classes but the same genus<br /><br />Gardengirl is correct .. you can't have the same genus but different class.... genus are unique .. ie not reused in a different class .. so once in a different class a different genus is a given... Wed, 27 Jan 2010 18:18:21 -0800 http://www.answerbag.com/a_view/8638619 http://www.answerbag.com/a_view/8638608 is ice tea a solution or a mixture?<br /><br />The oil extract of tea is not a suspension but a solution .. yes and homogenious... a solution is a mixture since by definition it is a solute in a solvent. It still has identity of each since there does not have to be a reaction . But conversely not all mixtures are solutions in that they could... Wed, 27 Jan 2010 18:13:06 -0800 http://www.answerbag.com/a_view/8638608 http://www.answerbag.com/a_view/8638589 Could you help me with these two stoichiometry questions?<br /><br />A. When dealing with gasses (ideal assumed) moles and volume are equivalent in proportions ... so from the equation 4 liters of ammonia react with 6 liters on nitric oxide. so since you have 30 liters NO x (4 liters NH3/6 liters NO) = 20 liters NH3. B. Now masses are involved ... so the... Wed, 27 Jan 2010 18:04:31 -0800 http://www.answerbag.com/a_view/8638589 http://www.answerbag.com/a_view/8626866 is it statistically better to play (mass.) keno for 5 games or to pick diffrent numbers on 5 diffrent betting slips?<br /><br />statisticaly no different.... Fri, 22 Jan 2010 17:54:23 -0800 http://www.answerbag.com/a_view/8626866 http://www.answerbag.com/a_view/8626864 Have you been to your high school reunion and was it worth it to go?<br /><br />The 5th was too soon to go went but still too many ego's... 10th better 20th real good 25th real good missed 30 but wont miss 40. My background was a small school with only 70 students in grad class... but we all knew each other ... My wife from a class of 800 grads had more fun at mine than hers... Fri, 22 Jan 2010 17:51:37 -0800 http://www.answerbag.com/a_view/8626864 http://www.answerbag.com/a_view/8626858 Tommy Lee Jones played a military attorney defending men against murder charges. It wasn't Rules of Engagement. what was it<br /><br />it may have been In The Valley of Elah... but more investigating the murder of a soldier Fri, 22 Jan 2010 17:48:38 -0800 http://www.answerbag.com/a_view/8626858 http://www.answerbag.com/a_view/8625350 what kind of bond exists between a beryllium atom and a bromine atom?<br /><br />ionic... all the halogens need an electron so strongly there is usually no sharing Fri, 22 Jan 2010 02:39:35 -0800 http://www.answerbag.com/a_view/8625350 http://www.answerbag.com/a_view/8585244 What is galvanized metal?<br /><br />Galvenized metal is coating of a iron ferrous material either by a "hot dip process" or by an electroplating technique. In both processes the material is coated with zink which serves to protect the iron from corrsion. Tue, 05 Jan 2010 17:46:09 -0800 http://www.answerbag.com/a_view/8585244 http://www.answerbag.com/a_view/8568903 Mechanics help me out here, my car shakes violently when I hit 35 mph. I know this sounds like a tansmission problem but it does not happen at all in cold weather. Is there some kind of sensor that could be malfunctioning to cause this?<br /><br />If it doesn't feel like tire shimmy then my bet would be your universal joint bearing is worn and needs replacement... this would be the cheapest and lease costly item to address.. Tue, 29 Dec 2009 19:30:48 -0800 http://www.answerbag.com/a_view/8568903 http://www.answerbag.com/a_view/8568898 I got 225/60/15's on my truck. Would a 235/45/17's raise my truck or would it lower it?. It has a 2" drop front and 3" rear<br /><br />her's how you figure... 225 is millimeters across the tire .. 60 is aspect ratio meaning the heightof the the tire above the rim is 60% of the 225 width .. which is 135 mm or 5.3 inches (note 25.4 mm per inch) .. so with a 15 inch diameter the radius is half or 7.5 inches .. add the aspect height... Tue, 29 Dec 2009 19:27:19 -0800 http://www.answerbag.com/a_view/8568898 http://www.answerbag.com/a_view/8538351 In Ohio can an auto repair mechanic legally hold a vehicle after repairs are completed if a repair bill isn't paid?<br /><br />If you signed a statement for the right to make repairs then he has the right to be compensated before allowing you to take the vehicle... unless there are special circumstances you will be forced to small claims if other repairs other than what you asked for were performed.... Fri, 18 Dec 2009 12:24:49 -0800 http://www.answerbag.com/a_view/8538351 http://www.answerbag.com/a_view/8538344 I want to change the resolution and size of a whole map of pictures. Is there an easy (free) way to do it?<br /><br />google a program called pixresizer .. it has a free version with limited use... can resize one or a whole directory... Fri, 18 Dec 2009 12:19:39 -0800 http://www.answerbag.com/a_view/8538344 http://www.answerbag.com/a_view/8538339 When there is joint custody an I'm the custodial parent. Can I take a job outside the state of Indiana and take my child with me?<br /><br />Yes... Its a free country .. if there is no statement about location in your divorice decree .. you are not limited.... You need to do what is best for you and the child... The courts are for disputes... There is none .. at least yet .. and given the economic conditions jobs are a key concern...... Fri, 18 Dec 2009 12:13:30 -0800 http://www.answerbag.com/a_view/8538339 http://www.answerbag.com/a_view/8522614 I havnt seen a new question in the science catagory in 2 days.. is this a glitch or a mass abandonment of users?<br /><br />Its an error in the AB site... none of the areas are filtering based on dates.... the ealiest question shown is two days ago for any area... but if you notice they must be there because the number of questions in each catagory in the "Catagories" listing is far greater than the number you see... Sun, 13 Dec 2009 03:37:37 -0800 http://www.answerbag.com/a_view/8522614 http://www.answerbag.com/a_view/8522606 How do you solve a problem involving circumference and area through geometry?<br /><br />Area of circle = Pi x r^2 circumference = 2 x Pi x r with the only variable being r you have two independent equations with one unknown and thus a solveable problem.... Sun, 13 Dec 2009 03:32:01 -0800 http://www.answerbag.com/a_view/8522606 http://www.answerbag.com/a_view/8522591 Why is argon used in making electric light bulbs?<br /><br />Since the filament reaches very high temperatures many compounds can react and degrade the filament. Hence an inert material is necessary. Of the inhert gasses Argon has the greatest concentration in the atmosphere, just under 1%. Most gasses that are sold comercially are derived by condensing... Sun, 13 Dec 2009 03:17:04 -0800 http://www.answerbag.com/a_view/8522591 http://www.answerbag.com/a_view/8522587 Why is argon used in making electric light bulbs?<br /><br />Share your answer... Sun, 13 Dec 2009 03:10:32 -0800 http://www.answerbag.com/a_view/8522587 http://www.answerbag.com/a_view/8497834 WHAT IS DIFFERENCE BETWEEN DISTILLED WATER ,DOUBLE DISTILLED WATER ,DEIONIZED water, DEMINERALISED WATER ,MINERAL WATER NORMAL WATER?<br /><br />distilled water - water that is recovered (condensed) overhead of a boiling source of water generally at low pressure (near atmospheric)esentially nearly all minerals remain behind in the pot and only very pure water goes overhead. double distilled - due to the fact that the boiling water can... Tue, 08 Dec 2009 19:42:03 -0800 http://www.answerbag.com/a_view/8497834 http://www.answerbag.com/a_view/8442588 Many Republicans are critical of Al Gore because he is rich and lives in a huge mansion that uses LOTS of electricity, has a big car that uses lot of fuel, etc. Billy Graham is a rich man, that has a big house etc. Does this fact diminish their message?<br /><br />Yes.... it dimminishes the message greatly .. the concept is reffered to as a False Messiah ... Wed, 02 Dec 2009 18:06:07 -0800 http://www.answerbag.com/a_view/8442588 http://www.answerbag.com/a_view/8442464 Does the fire department have to come out to open a fire hydrant, or can anyone open it? (in case of a water shortage, I have 157 horses to water)<br /><br />Talk with city (or county engineering).... I have seen where they have the Fire Marshall install a temporary meter on the hydrant and allow its use ... example was a contractor needing water in a remote location..... it was left on the hydrant for several days during the work..... Wed, 02 Dec 2009 17:53:45 -0800 http://www.answerbag.com/a_view/8442464 http://www.answerbag.com/a_view/8442394 If I have inner radius of 54 inches and outer radius of 108 inches for a spiral straicase with 180 degree turn and the total height from floor to ceiling of 2nd level is 12 feet how many risers or steps will I have in staircase?<br /><br />The number of steps (and risers) does not depend on the radius of the spiral but rather the height of the riser... usually the riser is 8 inches tall thus 12 ft x 12 inches per foot equals 144 inches... divide that by 8 gives 18 steps Wed, 02 Dec 2009 17:46:11 -0800 http://www.answerbag.com/a_view/8442394 http://www.answerbag.com/a_view/8436502 Why can't humans drill to the center of the Earth?<br /><br />The best I can say is cost .... followed closely by a reason to do it ... The space program and the large particle accellerator projects would be dwarfed by a project of this magnitude. (for many of the obsticles already pointed out) So... who would want to fund it and why ? Wed, 02 Dec 2009 03:48:25 -0800 http://www.answerbag.com/a_view/8436502 http://www.answerbag.com/a_view/8411000 Why does a capacitor blocks D.C. but passes A.C. to pass through?<br /><br />An analogy... I can&#039;t get away of anologies with water .... Ever see a water pressure tank... Its a type of water capacitor.. stores energy for a later use .. water runs into a closed tank filled with air ... it eventually stops flowing once it reaches full pressure.. DC currrent like water... Sun, 29 Nov 2009 02:46:35 -0800 http://www.answerbag.com/a_view/8411000