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Engineering Thermodynamics

Engineering Thermodynamics
The kinetic energy per kg molecule of any gas at absolute temperature T is equal to (where Ru = Universal gas constant)

1.5 Ru × T
3 Ru × T
Ru × T
2 Ru × T

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Engineering Thermodynamics
The ___ is obtained when carbonization of coal is carried out at 500° to 700° C.

Hard coal
Bituminous coal
Pulverized coal
Soft coal

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Engineering Thermodynamics
Diesel cycle consists of __________ processes.

Two constant pressure and two isentropic
One constant pressure, one constant volume and two isentropic
Two constant volume and two isentropic
Two constant volume and two isothermal

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Engineering Thermodynamics
Superheated vapour behaves

As ordinary vapour
As steam
Exactly as gas
Approximately as a gas

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Engineering Thermodynamics
An actual engine is to be designed having same efficiency as the Carnot cycle. Such a proposition is

Possible
Feasible
Possible, but with lot of sophistications
Impossible

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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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