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Engineering Thermodynamics

Engineering Thermodynamics
The entropy of water at 0°C is assumed to be

1
2
-1

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Engineering Thermodynamics
General gas equation is

PV=KiRT
PV = C
PV=mRT
PV=nRT

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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

3000 Nm
300 Nm
30 Nm
300,000 Nm

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

kg/cm²
Pascal
mm of water column
Dyne per square cm

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Engineering Thermodynamics
Isochoric process is one in which

All parameters remain constant
No mechanical work is done by the system
Free expansion takes place
Very little mechanical work is done by the system

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Engineering Thermodynamics
The standard value of atmospheric pressure taken at sea level is

All of these
1.013 bar
760 mm of Hg
1013 × 102 N/m2

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MORE MCQ ON Engineering Thermodynamics

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