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Engineering Thermodynamics

Engineering Thermodynamics
The state of a substance whose evaporation from its liquid state is complete, is known as

Steam
Vapour
Perfect gas
Air

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Engineering Thermodynamics
If a gas is heated against a pressure, keeping the volume constant, then work done will be equal to

+ve
-ve
Zero
Anywhere between zero and infinity

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

Day
Second
Minute
Hour

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Engineering Thermodynamics
Steam coal is a

Non-coking bituminous coal
Pulverized coal
Coking bituminous coal
Brown coal

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Engineering Thermodynamics
Kelvin Planck's law deals with

Conservation of work
Conservation of heat
Conversion of work into heat
Conversion of heat into work

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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
1 - rγ - 1
rγ - 1
1 - (1/r) γ/γ - 1

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MORE MCQ ON Engineering Thermodynamics

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