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Engineering Thermodynamics

Engineering Thermodynamics
The hyperbolic process is governed by

Boyle's law
Charles' law
Avogadro's law
Gay-Lussac law

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Engineering Thermodynamics
The efficiency of Diesel cycle with decrease in cut-off

First decreases and then increases
First increases and then decreases
Decreases
Increases

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Engineering Thermodynamics
The unit of pressure in S.I. units is

Pascal
Dyne per square cm
kg/cm²
mm of water column

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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
rγ - 1
1 - (1/r) γ/γ - 1
1 - rγ - 1

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Engineering Thermodynamics
If value of n is infinitely large in a polytropic process pVn = C, then the process is known as constant

Pressure
Volume
Temperature
Enthalpy

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Engineering Thermodynamics
Universal gas constant is defined as equal to product of the molecular weight of the gas and

Specific heat at constant volume
Ratio of two specific heats
Gas constant
Specific heat at constant pressure

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MORE MCQ ON Engineering Thermodynamics

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