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Engineering Thermodynamics

Engineering Thermodynamics
In an ideal gas turbine plant, it is assumed that the compression and expansion processes are

None of these
Isothermal
Isentropic
Polytropic

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Engineering Thermodynamics
For reversible adiabatic process, change in entropy is

Negative
Zero
Minimum
Maximum

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Engineering Thermodynamics
A perpetual motion machine is

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

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Engineering Thermodynamics
In an isothermal process

There is no change in enthalpy
There is no change in internal energy
There is no change in temperature
All of the listed here

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Engineering Thermodynamics
The efficiency and work ratio of a simple gas turbine cycle are

High
Very low
Very high
Low

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Engineering Thermodynamics
The mass of excess air supplied is equal to

(23/100) × Mass of excess carbon
(100/23) × Mass of excess carbon
(23/100) × Mass of excess oxygen
(100/23) × Mass of excess oxygen

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