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Engineering Thermodynamics

Engineering Thermodynamics
Change in enthalpy of a system is the heat supplied at

Constant pressure
Constant temperature
Constant volume
Constant entropy

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Engineering Thermodynamics
Carnot cycle efficiency is maximum when

Final temperature is 0°K
Difference between initial and final temperature is 0°K
Final temperature is 0°C
Initial temperature is 0°K

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Engineering Thermodynamics
The atomic mass of nitrogen is __________ oxygen.

Equal to
More than
None of these
Less than

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Engineering Thermodynamics
A perpetual motion machine is

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

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Engineering Thermodynamics
Entropy change depends on

Change of temperature
Thermodynamic state
Mass transfer
Heat transfer

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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
Atoms
Compounds
Molecules

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