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Engineering Thermodynamics

Engineering Thermodynamics
Superheated vapour behaves

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

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Engineering Thermodynamics
A series of operations, which takes place in a certain order and restore the initial conditions at the end, is known as

Reversible cycle
Thermodynamic cycle
None of these
Irreversible cycle

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Engineering Thermodynamics
In an isothermal process

There is no change in internal energy
There is no change in enthalpy
All of the listed here
There is no change in temperature

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

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

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Engineering Thermodynamics
The heat and work are mutually convertible. This statement is called ___ law of thermodynamics.

Third
First
Zeroth
Second

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Engineering Thermodynamics
A gas is compressed in a cylinder by a movable piston to a volume one half its original volume. During the process 300 kJ heat left the gas and internal energy remained same. The work done on gas in Nm will be

300,000 Nm
3000 Nm
300 Nm
30 Nm

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