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Engineering Thermodynamics

Engineering Thermodynamics
The entropy __________ in an irreversible cyclic process.

Decreases
Increases
Remains constant
None of these

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Engineering Thermodynamics
In open cycle gas turbine plants

A condenser is used
The indirect heat exchanger and cooler is avoided
Direct combustion systems is used
All of these

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Engineering Thermodynamics
The molecular mass expressed in gram (i.e. 1 g - mole) of all gases, at N. T. P., occupies a volume of

2.24 liters
224 liters
0.224 liters
22.4 liters

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Engineering Thermodynamics
The value of one bar (in S. I. units) is equal to

1 × 104 N/m2
1 × 103 N/m2
1 × 105 N/m2
1 × 102 N/m2

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Engineering Thermodynamics
The processes occurring in open system which permit the transfer of mass to and from the system, are known as

Flow processes
Adiabatic processes
Non-flow processes
None of the listed here

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Engineering Thermodynamics
One molecule of oxygen is __________ times heavier than the hydrogen atom.

32
14
12
16

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MORE MCQ ON Engineering Thermodynamics

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