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Engineering Thermodynamics

Engineering Thermodynamics
Kinetic energy of the molecules in terms of absolute temperature (T) is proportional to

T
J
J²
Vr

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Engineering Thermodynamics
The efficiency of Diesel cycle approaches to Otto cycle efficiency when

Cut-off is constant
Cut-off is increased
Cut-off is decreased
Cut-off is zero

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Engineering Thermodynamics
One Joule (J) is equal to

1 kN-m
1 N-m
10 kN-m/s
10 N-m/s

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Engineering Thermodynamics
If the value of n = 0 in the equation pvn = C, then the process is called

Adiabatic process
Constant pressure process
Constant volume process
Isothermal process

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Engineering Thermodynamics
An adiabatic process is one in which

The temperature of the gas changes
No heat enters or leaves the gas
The change in internal energy is equal to the mechanical work done
All of these

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

Isothermal
None of these
Polytropic
Isentropic

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MORE MCQ ON Engineering Thermodynamics

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