plz tell me how it was calculated, atmospheric pressure = 760mmHg, practically and theoritically ...
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Mmmmm.... why only steam is used in a steam ejector for creating vacuum and not anything like air or other inert gases..........
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Every boiler has a feed pump, say it is a centrifugal pump. Now if the suction of the pump is from an economiser and if steam is produced in the economiser itself. Would'nt there be problem of cavitai...
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Is there a way to convert thermal conductivity to the diffusion coefficient? Or is there a way to use the thermal conductivity in Fick's Law?...
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I'm wondering if anyone is willing to share some comparison numbers between any aluminum's hardness value and its impact resistance value.
A friend and I are disagreeing on something, I think the h...
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In an argon atmosphere, there is a pure platinum crucible that is used to heat Calcium Chloride salts to 850 deg C. After it is heated, pure chlorine gas is bubbled through the molten salt to remove ...
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I've been doing tons of research on Fick's Law. I understand how to derive it and what its used for. I just need to see an example of it being used.
I need to use this equation to separate wate...
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Hi all,
I remember reading somewhere that Cast iron in general has a uniform thermal conductivity k of approx. 47-55, and this remains the same for a wide range of temperatures,
im not sure if t...
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when ethene is hydrogenated ethane is obtained. how does the unhybridised p orbital converts to sp3 hybrid orbital without breakage of other carbon-hydrogen bonds?...
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How do u calc pressure at each end of pipe if u know its turbulent and u don't know the length.
Just got viscosity, density, temp diff at one end, D.
Cheers....
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how to prepare the mixture of inorganic material
i had a question where i wanna mix three diferent inorganic material which are tungstosilicic acid, aluminium oxide and silica oxide.. Can i mixe...
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hmm.....i got a question..
i had three inorganic polymer (powder/solid form) and i wanna mixed it according to various composition.
how can i determine the conductivity? do i need special equip...
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I need the heat capacity Ethyl Acetate as a function of temperature. I've seen books that give heat capacity as a function of functional group, but the problem is they are only at one temperature. Wha...
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Hello, I have the following problem and am unsure how to solve it, although I believe the heat of dissolution to be -71.76kJ/mol, but I can only see how this would help me if my acid was infinetly dis...
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Whats it mean when its not to be used in reducing conditions? Examples?
And why when it says not to use in oxidising conditions.. its also able to be used for some acids..
These are probably stu...
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How well does ABS plastic stand up to the elements? Normally I would not choose this for outdoor use but I am unable to find the type of enclosure I want in anything except ABS....
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I have to do a detailed cost analysis of a chemical plants am ok for material units runing etc. costs, but I have to do stafing cost as well but im stuck with what jobs are on the plant, i'm going to ...
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I have a problem.. for a reaction
A + B --> C
how do i generate 3 coupled differential equations so that i can sole this using MATLAB ?
it is given that rate = kAB
thnks!...
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The following is an image of 1018 steel I annealed, image size is 100x zoom
Just wondering what the darker regions are... perlite?
http://i21.photobucket.com/albums/b3...me/181879b.jpg [http://i...
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hi everybody... I'm looking for materials with dielectric constant 10,94 and 32,8... Please help me.. if you want to respect me, please send email to: alexz_lib3rty@yahoo.com [mailto:alexz_lib3rty@ya...
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hiiii i am an engineer and my problem has nothing to do with engineering :S we will have in our college an entertainment week for engineers and they want me to give them a logo that relates engineerin...
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Everything about Ti-Fe alloys...ı have a presentation about this subject..ı'm glad for your helping.....
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there are three research homework.and ı dont find anything.these are;
1)what are the methods of shrinkage of grain boundaries?
2)in some situatıon,at recovery region,hardness increases...
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what are the properties of this alloy about grain boundary?and what is the process to have magnetic property to this alloy?...
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Hi there,
I'm just curious as to how to determine the moisture content of some concrete we've recently set. I was hoping I could just use an Ohm meter to, set the probes say 1cm apart and have some...
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