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Engineering Thermodynamics

Engineering Thermodynamics
Carnot cycle has maximum efficiency for

Irreversible engine
Diesel engine
Reversible engine
Petrol engine

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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
Adiabatic process
Polytropic process
Hyperbolic process

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Engineering Thermodynamics
Diesel cycle consists of following four processes

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

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Engineering Thermodynamics
Which of the following is an irreversible cycle?

None of these
Ericsson
Carnot
Stirling

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Engineering Thermodynamics
Which law states that the internal energy of a gas is a function of temperature?

Joule's law
Boyle's law
There is no such law
Charles' law

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Engineering Thermodynamics
The entropy of water at 0°C is assumed to be

2
-1
1

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