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Engineering Thermodynamics

Engineering Thermodynamics
In closed cycle gas turbine, the air is compressed

Polytropically
Isothermally
None of these
Isentropically

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Engineering Thermodynamics
Barometric pressure is equal to

735.6 mm Hg
1 mm Hg
760 mm Hg
Zero mm Hg

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

Joule/meter (J/m)
Joule (J)
Joule meter (Jm)
Watt (W)

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Engineering Thermodynamics
Energy can neither be created nor destroyed, but it can be transformed from one form to another. This statement is known as

Zeroth law of thermodynamics
First law of thermodynamics
Kinetic theory of gases
Second law of thermodynamics

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Engineering Thermodynamics
The general law for the expansion or compression of gases, is

pv = m R T
pv = C
pvn = C
pvγ = C

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Engineering Thermodynamics
On volume basis, air contains following parts of oxygen

25
23
77
21

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MORE MCQ ON Engineering Thermodynamics

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