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Engineering Thermodynamics

Engineering Thermodynamics
When cut-off ratio is ________; the efficiency of Diesel cycle approaches to Otto cycle efficiency

43834
43835
Zero
2

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Engineering Thermodynamics
The entropy may be expressed as a function of

Pressure and temperature
Heat and work
Temperature and volume
All of these

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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

Polytropic process
Hyperbolic process
Isothermal process
Adiabatic process

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Engineering Thermodynamics
The work ratio of simple gas turbine cycle depends upon

Minimum cycle temperature
Pressure ratio
All of these
Maximum cycle temperature

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Engineering Thermodynamics
A definite area or a space where some thermodynamic process takes place is known as

Thermodynamic cycle
Thermodynamic law
Thermodynamic system
Thermodynamic process

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Engineering Thermodynamics
On weight basis, air contains following parts of oxygen

25
73
23
21

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