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Engineering Thermodynamics

Engineering Thermodynamics
A cycle consisting of two constant pressure and two isentropic processes is known as

None of the listed here
Otto cycle
Stirling cycle
Carnot cycle

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Engineering Thermodynamics
Diesel cycle consists of following four processes

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

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Engineering Thermodynamics
The thermal efficiency of an ideal gas turbine plant is given by (where r = Pressure ratio)

1 - (1/r) γ - 1/ γ
1 - (1/r) γ/γ - 1
1 - rγ - 1
rγ - 1

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Engineering Thermodynamics
The first law of thermodynamics is the law of

Conservation of momentum
Conservation of energy
Conservation of heat
Conservation of mass

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Engineering Thermodynamics
Which of the following laws is applicable for the behaviour of a perfect gas?

Boyle's law
All of these
Gay Lussac’s law
Charles ‘law

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Engineering Thermodynamics
The ratio of root mean square velocity to average velocity of gas molecules at a particular temperature is

1.086
0.086
1.086
4.086

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MORE MCQ ON Engineering Thermodynamics

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