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Engineering Thermodynamics

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

Joule
watt
joule/s
joule/m

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

pv = C
pvn = C
pv = m R T
pvγ = C

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Engineering Thermodynamics
In a steady flow process, the ratio of

Work transfer is constant
Heat transfer is constant
All of these
Mass flow at inlet and outlet is same

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Engineering Thermodynamics
During throttling process

All of these
Heat exchange does not take place
There is no change of internal energy of steam
No work is done by expanding steam

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Engineering Thermodynamics
The general law of expansion or compression is pvn = C, The process is said to be hyperbolic, if n is equal to

∝
1
γ

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Engineering Thermodynamics
Barometric pressure is equal to

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

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MORE MCQ ON Engineering Thermodynamics

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