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Engineering Thermodynamics

Engineering Thermodynamics
Which of the following cycles has maximum efficiency?

Rankine
Brayton
Carnot
Stirling

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Engineering Thermodynamics
Which of the following is the lightest and most volatile liquid fuel?

None of these
Gasoline
Kerosene
Fuel oil

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Engineering Thermodynamics
When gas is heated at constant pressure, the heat supplied is utilized in

Doing some external work
None of these
Increasing the internal energy of gas
Increasing the internal energy of gas and also for doing some external work

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Engineering Thermodynamics
Which of the following can be regarded as gas so that gas laws could be applicable, within the commonly encountered temperature limits?

O₂, N₂, H₂, air
O₂, N₂, water vapour
SO₂, NH₃, CO₂, moisture
O₂, N₂, steam, CO₂

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

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

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Engineering Thermodynamics
Temperature of a gas is produced due to

Kinetic energy of molecules
Repulsion of molecules
Surface tension of molecules
Its heating value

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MORE MCQ ON Engineering Thermodynamics

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