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Engineering Thermodynamics

Engineering Thermodynamics
The gas turbine cycle with regenerator improves

None of these
Work ratio
Avoid pollution
Thermal efficiency

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Engineering Thermodynamics
An actual engine is to be designed having same efficiency as the Carnot cycle. Such a proposition is

Possible, but with lot of sophistications
Feasible
Possible
Impossible

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Engineering Thermodynamics
The general law of expansion or compression is pvn = C, The process is said to be hyperbolic, if n is equal to

∝
1
γ

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Engineering Thermodynamics
The value of n = 1 in the polytropic process indicates it to be

Isothermal process
Irreversible process
Adiabatic process
Reversible process

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Engineering Thermodynamics
The expansion ratio (r) is the ratio of (where v1 = Volume at the beginning of expansion, and v2 = Volume at the end of expansion)

v2/v1
v1/v2
(v1 + v2)/v2
(v1 + v2)/v1

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Engineering Thermodynamics
The specific heat of air increases with increase in

Variation of its constituents
Pressure
Temperature
Both pressure and temperature

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MORE MCQ ON Engineering Thermodynamics

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