Pressure Answers
What metals or materials are most capable of withstanding saltwater corrosion and extreme pressure? Why?
Q. Like a submersible or submarine, the shape as well as the materials used must be capable of withstanding the extreme pressures while withstanding the corrosive action of the chemicals in salt water.
Asked by byron s - Tue Jul 22 04:55:06 2008 - Chemistry - 2 Answers - Comments
A. Gold, copper, silver...
Answered by Sonic - Tue Jul 22 04:59:33 2008
Q. Like a submersible or submarine, the shape as well as the materials used must be capable of withstanding the extreme pressures while withstanding the corrosive action of the chemicals in salt water.
Asked by byron s - Tue Jul 22 04:55:06 2008 - Chemistry - 2 Answers - Comments
A. Gold, copper, silver...
Answered by Sonic - Tue Jul 22 04:59:33 2008
Can you help me in searching for "Tube Materials used in Boilers and Pressure Limitations for those tubes" ?
Q. * Tube materials used in Boilers for Power generation stations. * Economizers materials is needed. * Superheaters materials. * Pressure Limitations for those Tubes. * "Can you suggest ANY sites for these Topics? ", Any suggested sites must be FREE
Asked by Ahmed Salem - Wed Mar 7 20:52:41 2007 - Engineering - 1 Answers - Comments
A. boilers are made from plate not tube.. large plates are rolled & welded by coded welders...tube coming out of the boilers are purchased from tube manufacturers..they are made to meet the standard... steam is a funny beast...200psi doesnt seem like much..& if your talking compressed air your local hardware shop can sell you a compressor that would pump that sort of pressure... however steam is different..ever poped the top of a hot car radiator...they run at about 10 psi...multiply that effect by 20 & you get the idea with steam...200 psi will cut your body in half...but its OK you wont bleed..It corterizes as it goes through.. not stuff to be fooled around with..boiler explosions can take out a city block or two..
Answered by easygoing - Wed Mar 7 21:03:46 2007
Q. * Tube materials used in Boilers for Power generation stations. * Economizers materials is needed. * Superheaters materials. * Pressure Limitations for those Tubes. * "Can you suggest ANY sites for these Topics? ", Any suggested sites must be FREE
Asked by Ahmed Salem - Wed Mar 7 20:52:41 2007 - Engineering - 1 Answers - Comments
A. boilers are made from plate not tube.. large plates are rolled & welded by coded welders...tube coming out of the boilers are purchased from tube manufacturers..they are made to meet the standard... steam is a funny beast...200psi doesnt seem like much..& if your talking compressed air your local hardware shop can sell you a compressor that would pump that sort of pressure... however steam is different..ever poped the top of a hot car radiator...they run at about 10 psi...multiply that effect by 20 & you get the idea with steam...200 psi will cut your body in half...but its OK you wont bleed..It corterizes as it goes through.. not stuff to be fooled around with..boiler explosions can take out a city block or two..
Answered by easygoing - Wed Mar 7 21:03:46 2007
what we be an average sq ft cost including labor and materials for a pressure treated wood deck w?
Q. looking to have a small deck built 12 X 6 just a few inches off the ground. No railings or steps. Just wondering if there was an average per sq ft cost for materials and construction. Thanks
Asked by jerry - Sun Mar 28 17:51:14 2010 - Decorating & Remodeling - 1 Answers - Comments
A. Typically about $14.00 per sq ft. It'll be a little more per sq ft for you cause its a small job. Figure about 16 - 20
Answered by maplewoodjoe - Sun Mar 28 19:03:42 2010
Q. looking to have a small deck built 12 X 6 just a few inches off the ground. No railings or steps. Just wondering if there was an average per sq ft cost for materials and construction. Thanks
Asked by jerry - Sun Mar 28 17:51:14 2010 - Decorating & Remodeling - 1 Answers - Comments
A. Typically about $14.00 per sq ft. It'll be a little more per sq ft for you cause its a small job. Figure about 16 - 20
Answered by maplewoodjoe - Sun Mar 28 19:03:42 2010
which materials exhibits more heat when subjected to pressure ?
Q. i am looking for a material,which may be in any form like solid,liquid or in gaseous state which emits Intense heat when subjected to pressure. in other words it should emit enough heat to boil water.links are welcome on this subjact
Asked by fulkey - Thu Jan 21 04:41:17 2010 - Engineering - 3 Answers - Comments
A. Just about any material can do that if you apply sufficient pressure. You can even do it with a rock, that's how we get lava. A common material would be air. If you compress it to several hundred pounds, it will be in the 200 degrees F range. That is not a very efficient way to boil water but it can be done. It would help if you provided more information on what you are trying to accomplish.
Answered by oil field trash - Thu Jan 21 08:54:32 2010
Q. i am looking for a material,which may be in any form like solid,liquid or in gaseous state which emits Intense heat when subjected to pressure. in other words it should emit enough heat to boil water.links are welcome on this subjact
Asked by fulkey - Thu Jan 21 04:41:17 2010 - Engineering - 3 Answers - Comments
A. Just about any material can do that if you apply sufficient pressure. You can even do it with a rock, that's how we get lava. A common material would be air. If you compress it to several hundred pounds, it will be in the 200 degrees F range. That is not a very efficient way to boil water but it can be done. It would help if you provided more information on what you are trying to accomplish.
Answered by oil field trash - Thu Jan 21 08:54:32 2010
does varying the surrounding pressure change the crystallinity of materials/allotropes at a given temp?
Q. i know changing pressure changes m.p. and b.p. I'm refering specifically to the crystallinity!
Asked by acky - Wed Apr 16 20:36:56 2008 - Physics - 1 Answers - Comments
A. Some materials will change crystal form due to pressure changes - but only if the pressures are gigantic and (often) the temperature high as well - best example is diamond which is crystalline carbon but will only form at very high temperatures and pressures.
Answered by Graham G - Fri Apr 18 01:47:34 2008
Q. i know changing pressure changes m.p. and b.p. I'm refering specifically to the crystallinity!
Asked by acky - Wed Apr 16 20:36:56 2008 - Physics - 1 Answers - Comments
A. Some materials will change crystal form due to pressure changes - but only if the pressures are gigantic and (often) the temperature high as well - best example is diamond which is crystalline carbon but will only form at very high temperatures and pressures.
Answered by Graham G - Fri Apr 18 01:47:34 2008
Thermal expansion of materials in contact at temperature of 530 degrees C.. will there be increased pressure?
Q. if the two materials are the same and in contact by been wedged together, with the increase of temperature cause the pressure to increase in contact zone?? The two material are the same (carbon steel) and the temperatures are the same.. Can the increase in pressure be worked out theoretically.
Asked by - Mon Feb 21 15:36:09 2011 - Engineering - 1 Answers - Comments
Q. if the two materials are the same and in contact by been wedged together, with the increase of temperature cause the pressure to increase in contact zone?? The two material are the same (carbon steel) and the temperatures are the same.. Can the increase in pressure be worked out theoretically.
Asked by - Mon Feb 21 15:36:09 2011 - Engineering - 1 Answers - Comments
I believe there is an error in my book, Materials science engineering, pressure?
Q. The problem is that you have a fiber subject to a 25 gram load, with a radius of 25 micrometers. What is the stress on this fiber? I got 125 MPa, my book got .125 MPa,=. I think they messed up converting to meters from micrometers, can anybody help?
Asked by techtonick.com - Wed Mar 16 00:09:35 2011 - Engineering - 2 Answers - Comments
A. Looks like you are right. The period does not belong there. Why would they have put .125 MPa anyway, when they could have put 125 k Pa, IF it was the right value? That is why the period is probably a typo.
Answered by Vincent G - Wed Mar 16 00:16:31 2011
Q. The problem is that you have a fiber subject to a 25 gram load, with a radius of 25 micrometers. What is the stress on this fiber? I got 125 MPa, my book got .125 MPa,=. I think they messed up converting to meters from micrometers, can anybody help?
Asked by techtonick.com - Wed Mar 16 00:09:35 2011 - Engineering - 2 Answers - Comments
A. Looks like you are right. The period does not belong there. Why would they have put .125 MPa anyway, when they could have put 125 k Pa, IF it was the right value? That is why the period is probably a typo.
Answered by Vincent G - Wed Mar 16 00:16:31 2011
what are some cheap materials that can withstand high pressure?
Q. they would have to be able to maintain structural integrity 33yards below water , or deeper, and of course be water proof. no specific price requested just the cheapest you can think of.
Asked by michael n - Tue Jul 24 13:33:17 2007 - Engineering - 8 Answers - Comments
A. PVC pipe is usually cheap and readily available. It is designed to withstand pressure while being waterproof, but I'm not sure what kind of structure you are referring to when you say it needs to maintain integrity. Will this be withstanding forces other than the water pressure on it? Technically, rocks will withstand water pressure and are free to pick off the ground, but you need to be more specific to other requirements.
Answered by rhyno - Tue Jul 24 13:38:25 2007
Q. they would have to be able to maintain structural integrity 33yards below water , or deeper, and of course be water proof. no specific price requested just the cheapest you can think of.
Asked by michael n - Tue Jul 24 13:33:17 2007 - Engineering - 8 Answers - Comments
A. PVC pipe is usually cheap and readily available. It is designed to withstand pressure while being waterproof, but I'm not sure what kind of structure you are referring to when you say it needs to maintain integrity. Will this be withstanding forces other than the water pressure on it? Technically, rocks will withstand water pressure and are free to pick off the ground, but you need to be more specific to other requirements.
Answered by rhyno - Tue Jul 24 13:38:25 2007
I am creating a device that requires a pressure pad to turn on. With limited materials, how do I do this?
Q. I am extremely confused on how to build one. I've tried making a spring switch mechanism, but I still need a little help.
Asked by grey wolf - Sat Apr 12 15:23:25 2008 - Engineering - 3 Answers - Comments
A. I've used conductive foam, the kind that some IC's come shipped in so that all the pins are connected together for a pressure sensor. Take two copper clad circuit boards and solder a wire to each. Sandwich together the two copper clad circuit boards with a piece of conductive foam in between. You will have the highest resistance with no pressure on the board. As you compress the sandwich resistance will decrease. You can use a voltage compactor or logic gate to convert the resistance to a logic level. Granted this is not a very good system but will work for a little bit. After the foam gets compressed a number of times it will not uncompress and resistances will not change much. This is sort of a niche answer, but it is fun to play with. D. [cont.]
Answered by d.bumstead@sbcglobal.net - Sat Apr 12 18:14:57 2008
Q. I am extremely confused on how to build one. I've tried making a spring switch mechanism, but I still need a little help.
Asked by grey wolf - Sat Apr 12 15:23:25 2008 - Engineering - 3 Answers - Comments
A. I've used conductive foam, the kind that some IC's come shipped in so that all the pins are connected together for a pressure sensor. Take two copper clad circuit boards and solder a wire to each. Sandwich together the two copper clad circuit boards with a piece of conductive foam in between. You will have the highest resistance with no pressure on the board. As you compress the sandwich resistance will decrease. You can use a voltage compactor or logic gate to convert the resistance to a logic level. Granted this is not a very good system but will work for a little bit. After the foam gets compressed a number of times it will not uncompress and resistances will not change much. This is sort of a niche answer, but it is fun to play with. D. [cont.]
Answered by d.bumstead@sbcglobal.net - Sat Apr 12 18:14:57 2008
What are materials called whose viscosity increases when pressure is applied?
Q.
Asked by Bob S - Tue Oct 23 19:46:27 2007 - Chemistry - 1 Answers - Comments
A. A fluid whose viscosity varies under different physical conditions is generally called a non-Newtonian fluid. One whose viscosity increases with increasing pressure (increasing shear stress) is the subset of non-Newtonian fluids that are called dilatants. See the links below for more information about other non-Newtonian fluids and how to make a dilatant fluid to play with. It is some very odd stuff, so you should try it!
Answered by endo_jo - Wed Oct 24 14:36:34 2007
Q.
Asked by Bob S - Tue Oct 23 19:46:27 2007 - Chemistry - 1 Answers - Comments
A. A fluid whose viscosity varies under different physical conditions is generally called a non-Newtonian fluid. One whose viscosity increases with increasing pressure (increasing shear stress) is the subset of non-Newtonian fluids that are called dilatants. See the links below for more information about other non-Newtonian fluids and how to make a dilatant fluid to play with. It is some very odd stuff, so you should try it!
Answered by endo_jo - Wed Oct 24 14:36:34 2007
What's name of that waxy paper, not wax paper, they use to pick up doughnuts at the deli?
Q. ...its white and its really waxy and it starts with del... i think.
Asked by Frank G - Fri Nov 7 15:58:55 2008 - Other - Food & Drink - 11 Answers - Comments
A. parchment paper?
Answered by Camry S - Fri Nov 7 16:03:04 2008
Q. ...its white and its really waxy and it starts with del... i think.
Asked by Frank G - Fri Nov 7 15:58:55 2008 - Other - Food & Drink - 11 Answers - Comments
A. parchment paper?
Answered by Camry S - Fri Nov 7 16:03:04 2008
What intermolecular interactions allow pressure-sensitive adhesives to adhere to other materials?
Q.
Asked by - Sun Jan 29 20:52:34 2012 - Chemistry - 1 Answers - Comments
A. Polar bonds and sigma and pi-bonds that they form. The sigma bond is a really strong bond that holds the two molecules together and takes a lot of energy to break. The pi-bond is what makes the molecule so reactive with other molecules because it just sticks its electrons up in the air for any other molecule to grab.
Answered by - Sun Jan 29 20:56:54 2012
Q.
Asked by - Sun Jan 29 20:52:34 2012 - Chemistry - 1 Answers - Comments
A. Polar bonds and sigma and pi-bonds that they form. The sigma bond is a really strong bond that holds the two molecules together and takes a lot of energy to break. The pi-bond is what makes the molecule so reactive with other molecules because it just sticks its electrons up in the air for any other molecule to grab.
Answered by - Sun Jan 29 20:56:54 2012
Are materials enclosed/surrounded by glass safe from extreme temperatures and pressure outside?
Q. For example if there was a glass bottle with water inside and it was placed in a) a space station b)outer space c) a volcano d) deep underwater?
Asked by - Tue Dec 13 05:25:33 2011 - Physics - 1 Answers - Comments
A. No. Glass is a very poor thermal insulator - it offers virtually no protection from temperature changes. It has limited ability to handle stress. A: in the space station, you do not find extremes - it has life support systems to protect the occupants. B: if the bottle were completely filled with water, it would likely shatter at some point. Any time it passed through darkness the water would freeze. Water expands as it freezes, and would break the glass. C. The glass would melt. D. If the bottle was full, nothing would happen, Water is incompressible, so the water in the bottle would resist the pressure at the ocean floor.
Answered by John R - Tue Dec 13 05:43:06 2011
Q. For example if there was a glass bottle with water inside and it was placed in a) a space station b)outer space c) a volcano d) deep underwater?
Asked by - Tue Dec 13 05:25:33 2011 - Physics - 1 Answers - Comments
A. No. Glass is a very poor thermal insulator - it offers virtually no protection from temperature changes. It has limited ability to handle stress. A: in the space station, you do not find extremes - it has life support systems to protect the occupants. B: if the bottle were completely filled with water, it would likely shatter at some point. Any time it passed through darkness the water would freeze. Water expands as it freezes, and would break the glass. C. The glass would melt. D. If the bottle was full, nothing would happen, Water is incompressible, so the water in the bottle would resist the pressure at the ocean floor.
Answered by John R - Tue Dec 13 05:43:06 2011
Hello, would you mind telling me the meaning of: waxy and wax myrtle?
Q. Also, can you give me a couple of sentences please?
Asked by khnamna - Sat Feb 28 10:10:15 2009 - Words & Wordplay - 1 Answers - 1 Comments
A. Coveed with wax and violet.
Answered by V Y.. - Sat Feb 28 10:18:02 2009
Q. Also, can you give me a couple of sentences please?
Asked by khnamna - Sat Feb 28 10:10:15 2009 - Words & Wordplay - 1 Answers - 1 Comments
A. Coveed with wax and violet.
Answered by V Y.. - Sat Feb 28 10:18:02 2009
A condition of solid materials which may deform under extremely high temperatures and pressure is called what?
Q.
Asked by I am Sunshine - Wed Nov 14 11:42:30 2007 - Earth Sciences & Geology - 2 Answers - Comments
A. metamorphism - such as metamorphic rocks
Answered by Kelly M - Wed Nov 14 12:09:39 2007
Q.
Asked by I am Sunshine - Wed Nov 14 11:42:30 2007 - Earth Sciences & Geology - 2 Answers - Comments
A. metamorphism - such as metamorphic rocks
Answered by Kelly M - Wed Nov 14 12:09:39 2007
Any help for making wax and gel aromatic designer candles for business purpose in Rohtak(HARYANA)?
Q. I want to start a small scale industry and found making designer candles interesting but don't know how to start,how much fund required and from where to get the raw materials..Any genuine help regarding this will be highly appreciated.
Asked by woodsnake - Fri Sep 5 08:56:25 2008 - Small Business - 2 Answers - Comments
A. Contact trade associations or to get offers from suppliers and manufacturers of candle material , send an email with your requirement to
Answered by Sat S - Mon Sep 8 23:17:25 2008
Q. I want to start a small scale industry and found making designer candles interesting but don't know how to start,how much fund required and from where to get the raw materials..Any genuine help regarding this will be highly appreciated.
Asked by woodsnake - Fri Sep 5 08:56:25 2008 - Small Business - 2 Answers - Comments
A. Contact trade associations or to get offers from suppliers and manufacturers of candle material , send an email with your requirement to
Answered by Sat S - Mon Sep 8 23:17:25 2008
High pressure materials?
Q. Does anyone know of a material that can hold a liquid solution and be pressurized to 250,000 atm or 3.6 million PSI?
Asked by Joshua F - Tue Oct 14 13:09:09 2008 - Engineering - 2 Answers - Comments
A. ain't gonna happen. It goes something like this, You can not contain a pressure that has a force greater than the maximum stress a material can with stand. Some of the highest strength materials are crystals. They could withstand 1,000,000 psi if perfect. Carbon fibers or Kevlar could approach 800,000 psi. It is believed that if we could make carbon nanotubes, then pressures of 9,000,000 could be held.
Answered by vicinic - Tue Oct 14 13:52:06 2008
Q. Does anyone know of a material that can hold a liquid solution and be pressurized to 250,000 atm or 3.6 million PSI?
Asked by Joshua F - Tue Oct 14 13:09:09 2008 - Engineering - 2 Answers - Comments
A. ain't gonna happen. It goes something like this, You can not contain a pressure that has a force greater than the maximum stress a material can with stand. Some of the highest strength materials are crystals. They could withstand 1,000,000 psi if perfect. Carbon fibers or Kevlar could approach 800,000 psi. It is believed that if we could make carbon nanotubes, then pressures of 9,000,000 could be held.
Answered by vicinic - Tue Oct 14 13:52:06 2008
How much does a 14foot by 20foot pressure treated deck 2 feet off the ground cost in materials?
Q.
Asked by Pennsyltucky Phil - Sun May 13 19:16:58 2007 - Other - Home & Garden - 2 Answers - Comments
A. It depends on the materials that you want to use. Either call a contractor and get estimates, or go to Home Depot or Lowe's where they offer weekend classes on deck building, and take the class. Part of the class is materials estimation and from there you can figure the price. They will also give you estimates for materials if you ask them.
Answered by ruluckydad - Sun May 13 19:30:01 2007
Q.
Asked by Pennsyltucky Phil - Sun May 13 19:16:58 2007 - Other - Home & Garden - 2 Answers - Comments
A. It depends on the materials that you want to use. Either call a contractor and get estimates, or go to Home Depot or Lowe's where they offer weekend classes on deck building, and take the class. Part of the class is materials estimation and from there you can figure the price. They will also give you estimates for materials if you ask them.
Answered by ruluckydad - Sun May 13 19:30:01 2007
How does a Materials Science and Engineering Ph D get into business world?
Q. Hi, I am a Materials Science and Engineering Ph D student in a prestigious university in US. But I really want to get into business world after Ph.D. I am kinda confused what to do? Can anyone give some suggestions, like what is the baby step to really get started this dream? What is the advantage of materials science and engineering major student to do that? What is the disadvantages?For an engineering background student, what is especially important and challenging for him to interview with a business examiner?Thanks, guys.
Asked by burnfat - Fri May 18 10:06:11 2007 - Technology - 5 Answers - Comments
A. There are a lot of industries that can use smart people, but most of them would not let you use your Ph D. An MBA might help, but you might want to talk to some adventure capitalists active in your field. (Check who has invested in some of the companies active in your industry). They would be looking for the combination of industry knowledge and business sense.
Answered by europeaninla - Fri May 18 10:14:07 2007
Q. Hi, I am a Materials Science and Engineering Ph D student in a prestigious university in US. But I really want to get into business world after Ph.D. I am kinda confused what to do? Can anyone give some suggestions, like what is the baby step to really get started this dream? What is the advantage of materials science and engineering major student to do that? What is the disadvantages?For an engineering background student, what is especially important and challenging for him to interview with a business examiner?Thanks, guys.
Asked by burnfat - Fri May 18 10:06:11 2007 - Technology - 5 Answers - Comments
A. There are a lot of industries that can use smart people, but most of them would not let you use your Ph D. An MBA might help, but you might want to talk to some adventure capitalists active in your field. (Check who has invested in some of the companies active in your industry). They would be looking for the combination of industry knowledge and business sense.
Answered by europeaninla - Fri May 18 10:14:07 2007
Where can I Buy Materials to Make Jewellery to Sell within my Business?
Q. I want to start a jewellery business selling charm bracelets, charms, necklaces and vintage style jewellery. The materials need to be durable as they're to be sold through the internet. Thankyou!
Asked by Liza - Sun Jun 13 12:38:21 2010 - Hobbies & Crafts - 4 Answers - Comments
A. Hi we sell beautiful Handmade Non Tarnish Jump Rings, earwires, Clasps and Eyepins. We have tons of colors and many many sizes. If you are looking for somewhere to start I think we can help. And we have great prices.Come check us out, we would love to help you out. :) Vicki
Answered by - Tue Jun 15 10:16:13 2010
Q. I want to start a jewellery business selling charm bracelets, charms, necklaces and vintage style jewellery. The materials need to be durable as they're to be sold through the internet. Thankyou!
Asked by Liza - Sun Jun 13 12:38:21 2010 - Hobbies & Crafts - 4 Answers - Comments
A. Hi we sell beautiful Handmade Non Tarnish Jump Rings, earwires, Clasps and Eyepins. We have tons of colors and many many sizes. If you are looking for somewhere to start I think we can help. And we have great prices.Come check us out, we would love to help you out. :) Vicki
Answered by - Tue Jun 15 10:16:13 2010
From Yahoo Answer Search: 'pressure'
Sat Jun 2 07:20:36 2012