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Engineering Thermodynamics

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

Entropy
Enthalpy
Mass
Volume

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Engineering Thermodynamics
The efficiency of a Carnot engine depends on

Design of engine
Temperatures of source and sink
Size of engine
Working substance

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Engineering Thermodynamics
Which of the following processes are thermodynamically reversible?

Free expansion
Throttling
Isothermal and adiabatic
Constant volume and constant pressure

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Engineering Thermodynamics
The efficiency of Diesel cycle depends upon

Cut-off ratio and compression ratio
Compression ratio
Temperature limits
Pressure ratio

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Engineering Thermodynamics
Brayton cycle consists' of following four processes

Two isentropic and two constant volumes
Two isentropic and two constant pressures
Two isothermal and two isentropic
Two isentropic, one constant volume and one constant pressure

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Engineering Thermodynamics
One watt is equal to

1 Nm/hr
1 kNm/hr
1 N/m
1 Nm/s

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MORE MCQ ON Engineering Thermodynamics

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