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Engineering Thermodynamics

Engineering Thermodynamics
The specific heat of air increases with increase in

Both pressure and temperature
Temperature
Pressure
Variation of its constituents

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Engineering Thermodynamics
The index of compression ‘n’ tends to reach ratio of specific heats ‘y’ when

Process is isentropic
Flow is uniform and steady
Process is isentropic and specific heat does not change with temperature
Process is isothermal

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Engineering Thermodynamics
If both Stirling and Carnot cycles operate within the same temperature limits, then efficiency of Stirling cycle as compared to Carnot cycle

Depends on other factors
More
Less
Equal

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Engineering Thermodynamics
Which of the following parameters is constant for a mole for most of the gases at a given temperature and pressure

Entropy
Mass
Enthalpy
Volume

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Engineering Thermodynamics
The ratio of molar specific heats for mono-atomic gas is

1.67
1
1.4
1.87

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Engineering Thermodynamics
If a fluid expands suddenly into vacuum through an orifice of large dimension, then such a process is called

Parabolic expansion
Free expansion
Hyperbolic expansion
Adiabatic expansion

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MORE MCQ ON Engineering Thermodynamics

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