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Engineering Thermodynamics

Engineering Thermodynamics
Which of the following is the extensive property of a thermodynamic system?

Pressure
Volume
Density
Temperature

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Engineering Thermodynamics
Addition of heat at constant pressure to a gas results in

Raising its temperature and doing external work
Raising its volume
Raising its pressure
Raising its temperature

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Engineering Thermodynamics
One reversible heat engine operates between 1600 K and T2 K and another reversible heat engine operates between T2 K and 400 K. If both the engines have the same heat input and output, then temperature T2 is equal to

1000 K
1400 K
800 K
1200 K

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Engineering Thermodynamics
The work ratio of simple gas turbine cycle depends upon

All of these
Minimum cycle temperature
Maximum cycle temperature
Pressure ratio

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Engineering Thermodynamics
For the constant pressure and heat input, the air standard efficiency of gas power cycle is in the order

Dual cycle, Otto cycle, Diesel cycle
Diesel cycle, Otto cycle, Dual cycle
Otto cycle, Diesel cycle, Dual cycle
Dual cycle, Diesel cycle, Otto cycle

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Engineering Thermodynamics
The statement that molecular weights of all gases occupy the same volume is known as

Gas law
Dalton's law
Avogadro's hypothesis
Law of thermodynamics

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