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Engineering Thermodynamics

Engineering Thermodynamics
Which law states that the specific heat of a gas remains constant at all temperatures and pressures?

Regnault's Law
Joule's Law
Charles' Law
Boyle's Law

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Engineering Thermodynamics
The heat supplied to the gas at constant volume is (where m = Mass of gas, cv = Specific heat at constant volume, cp = Specific heat at constant pressure, T2 - T1 = Rise in temperature, and R = Gas constant)

mcv (T2 - T1)
mcp (T2 + T1)
mcp (T2 - T1)
mR (T2 - T1)

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Engineering Thermodynamics
One kg of carbon requires 4/3 kg of oxygen and produces ________ kg of carbon monoxide gas.

44142
44046
44015
44138

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Engineering Thermodynamics
The ratio of two specific heats of air is equal to

0.24
1.41
0.1
0.17

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Engineering Thermodynamics
Stirling and Ericsson cycles are

Irreversible cycles
Semi-reversible cycles
Quasi-static cycles
Reversible cycles

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Engineering Thermodynamics
Those substances which have so far not been resolved by any means into other substances of simpler form are called

Elements
Compounds
Molecules
Atoms

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