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Engineering Thermodynamics

Engineering Thermodynamics
One kilowatt is equal to

1000 N-m/s
100 N-m
1 × 106 N-m/s
1 N-m/s

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Engineering Thermodynamics
If value of n is infinitely large in a polytropic process pVn = C, then the process is known as constant

Volume
Enthalpy
Pressure
Temperature

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Engineering Thermodynamics
Water contained in a beaker can be made to boil by passing steam through it

Not possible
At a pressure greater than atmospheric pressure
Any pressure
At atmospheric pressure

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Engineering Thermodynamics
The absolute zero pressure will be

At the temperature of - 273 K
At sea level
When molecular momentum of the system becomes zero
At the center of the earth

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Engineering Thermodynamics
Which of the following processes are thermodynamically reversible?

Constant volume and constant pressure
Isothermal and adiabatic
Throttling
Free expansion

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Engineering Thermodynamics
The ideal efficiency of a Brayton cycle with regeneration, with increase in pressure ratio will

Increase
Remain unchanged
Decrease
Increase/decrease depending on application

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MORE MCQ ON Engineering Thermodynamics

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