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Engineering Thermodynamics

Engineering Thermodynamics
When a gas is heated, change takes place in

Temperature
Pressure
Volume
All of the listed here

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

Increase
Increase/decrease depending on application
Remain unchanged
Decrease

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Engineering Thermodynamics
The compression ratio for Diesel engines is

3 to 6
20 to 30
5 to 8
15 to 20

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Engineering Thermodynamics
The heat flows from a cold body to a hot body with the aid of an external source. This statement is given by

Clausis
Kelvin
Joule
Gay-Lussac

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Engineering Thermodynamics
The efficiency of Diesel cycle with decrease in cut-off

First decreases and then increases
Increases
Decreases
First increases and then decreases

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Engineering Thermodynamics
When two bodies are in thermal equilibrium with a third body, they are also in thermal equilibrium with each other. This statement is called

Kelvin Planck's law
Zeroth law of thermodynamics
Second law of thermodynamics
First law of thermodynamics

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