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Engineering Thermodynamics

Engineering Thermodynamics
The heating of a gas at constant pressure is governed by

Gay-Lussac law
Avogadro's law
Charles' law
Boyle's law

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Engineering Thermodynamics
The heat absorbed or rejected by the working substance is given by (where ds = Increase or decrease of entropy, T = Absolute temperature, and dQ = Heat absorbed or rejected)

None of the listed here
dQ = ds/T
δQ = T.ds
δQ = T/ds

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Engineering Thermodynamics
The value of the product of molecular weight and the gas characteristic constant for all the gases in M.K.S. unit is

29.27 kgfm/mol °K
427 kgfm/mol °K
8314 kgfm/mol °K
848 kgfm/mol °K

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Engineering Thermodynamics
A perpetual motion machine is

A hypothetical machine
A thermodynamic machine
A non-thermodynamic machine
A hypothetical machine whose operation would violate the laws of thermodynamics

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Engineering Thermodynamics
When the gas is cooled at constant pressure,

Both temperature and volume increases
Its temperature increases but volume decreases
Its volume increases but temperature decreases
Both temperature and volume decreases

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Engineering Thermodynamics
The amount of heat required to raise the temperature of 1 kg of water through one Kelvin is called

Specific heat at constant volume
None of these
kilo-Joule
Specific heat at constant pressure

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MORE MCQ ON Engineering Thermodynamics

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