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Engineering Thermodynamics

Engineering Thermodynamics
Carnot cycle has maximum efficiency for

Diesel engine
Reversible engine
Petrol engine
Irreversible engine

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Engineering Thermodynamics
The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is

None of these
Less than one
Greater than one
Equal to one

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Engineering Thermodynamics
Which of the following is the extensive property of a thermodynamic system?

Volume
Density
Pressure
Temperature

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Engineering Thermodynamics
For a perfect gas, according to Boyle’s law (where P = Absolute pressure, V = Volume and T = Absolute temperature)

V/T = constant, if p is kept constant
P v = constant, if T is kept constant
T/P = constant, if v is kept constant
P/T = constant, if v is kept constant

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Engineering Thermodynamics
A sudden fall in the barometer reading is a sign of approaching

Rains
Fine weather
Storm
Cold wave

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Engineering Thermodynamics
A process, in which the temperature of the working substance remains constant during its expansion or compression, is called

Isothermal process
Polytropic process
Hyperbolic process
Adiabatic process

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MORE MCQ ON Engineering Thermodynamics

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