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Engineering Thermodynamics

Engineering Thermodynamics
The value of cp/cv for air is

1.4
2.3
1
1.45

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Engineering Thermodynamics
A perpetual motion machine is

A non-thermodynamic machine
A hypothetical machine
A hypothetical machine whose operation would violate the laws of thermodynamics
A thermodynamic machine

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Engineering Thermodynamics
The pressure exerted by an ideal gas is ________ of the kinetic energy of all the molecules contained in a unit volume of gas.

One-third
Three-forth
Two-third
One-half

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Engineering Thermodynamics
The compression ratio for petrol engines is

3 to 6
10 to 20
5 to 8
15 to 30

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Engineering Thermodynamics
The fuel mostly used in cement industry and in metallurgical processes is

Pulverized coal
Wood charcoal
Coke
Bituminous coke

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Engineering Thermodynamics
Water contained in a beaker can be made to boil by passing steam through it

Any pressure
Not possible
At a pressure greater than atmospheric pressure
At atmospheric pressure

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