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Engineering Thermodynamics

Engineering Thermodynamics
The value of cp/cv for air is

1.45
2.3
1.4
1

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

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

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Engineering Thermodynamics
Which of the following processes is irreversible process?

Adiabatic
Throttling
All of these
Isothermal

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Engineering Thermodynamics
Diesel cycle consists of __________ processes.

Two constant volume and two isentropic
Two constant volume and two isothermal
Two constant pressure and two isentropic
One constant pressure, one constant volume and two isentropic

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Engineering Thermodynamics
The state of a substance whose evaporation from its liquid state is complete, is known as

Air
Vapour
Perfect gas
Steam

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Engineering Thermodynamics
Otto cycle is also known as

Constant pressure cycle
Constant volume cycle
Constant temperature and pressure cycle
Constant temperature cycle

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MORE MCQ ON Engineering Thermodynamics

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