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Engineering Thermodynamics

Engineering Thermodynamics
In a Carnot cycle, heat is transferred at

Constant enthalpy
Constant volume
Constant temperature
Constant pressure

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Engineering Thermodynamics
The atomic mass of sulphur is

14
12
16
32

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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
30 Nm
300 Nm
3000 Nm

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Engineering Thermodynamics
One watt is equal to

1 Nm/hr
1 kNm/hr
1 N/m
1 Nm/s

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Engineering Thermodynamics
The efficiency of Diesel cycle increases with

Increase in cut-off
Constant cut-off
None of these
Decrease in cut-off

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Engineering Thermodynamics
Temperature of a gas is produced due to

Repulsion of molecules
Surface tension of molecules
Kinetic energy of molecules
Its heating value

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MORE MCQ ON Engineering Thermodynamics

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