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Engineering Thermodynamics

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

Joule
watt
joule/m
joule/s

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Engineering Thermodynamics
The first law of thermodynamics is the law of

Conservation of momentum
Conservation of heat
Conservation of mass
Conservation of energy

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Engineering Thermodynamics
A cycle consisting of one constant pressure, one constant volume and two isentropic processes is known as

Stirling cycle
Carnot cycle
Diesel cycle
Otto cycle

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Engineering Thermodynamics
The general gas equation is (where p = Pressure, v = Volume, m = mass, T = Absolute temperature, and R = Gas constant)

pv = mRT
pv = RTm
pv = (RT)m
pvm = C

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Engineering Thermodynamics
The efficiency of the Carnot cycle may be increased by

Keeping the lowest temperature constant
Decreasing the highest temperature
Increasing the highest temperature
Increasing the lowest temperature

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Engineering Thermodynamics
The behavior of super-heated vapour is similar to that of

Ordinary gas
Steam
Air
Perfect gas

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MORE MCQ ON Engineering Thermodynamics

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