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Engineering Thermodynamics

Engineering Thermodynamics
The efficiency of Carnot cycle is maximum for

Petrol engine
Steam engine
Gas engine
Reversible engine

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Engineering Thermodynamics
When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel, the process is known as __________ of fuel.

None of these
Carbonization
Combustion
Atomization

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Engineering Thermodynamics
The amount of heat required to raise the temperature of the unit mass of gas through one degree at constant volume, is called

Specific heat at constant volume
Kilo Joule
Specific heat at constant pressure
None of these

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Engineering Thermodynamics
In open cycle gas turbine plants

All of these
The indirect heat exchanger and cooler is avoided
Direct combustion systems is used
A condenser is used

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Engineering Thermodynamics
The process is adiabatic, if the value of n in the equation pvn = C, is

Zero
One
∝
γ

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Engineering Thermodynamics
According to Regnault's law, the specific heat at constant pressure (cp) and specific heat at constant volume (cv) _________ with the change in pressure and temperature of the gas.

Change
Do not change
Both (A) and (B)
None of these

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