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Engineering Thermodynamics

Engineering Thermodynamics
The atomic mass of sulphur is

16
14
32
12

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Engineering Thermodynamics
In closed cycle gas turbine, the air is compressed

Polytropically
None of these
Isentropically
Isothermally

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Engineering Thermodynamics
During throttling process

Heat exchange does not take place
All of these
No work is done by expanding steam
There is no change of internal energy of steam

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Engineering Thermodynamics
A mixture of gas expands from 0.03 m3 to 0.06 m3 at a constant pressure of 1 MPa and absorbs 84 kJ of heat during the process. The change in internal energy of the mixture is

30 kJ
114 kJ
54 kJ
84 kJ

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Engineering Thermodynamics
The compression ratio for petrol engines is

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

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Engineering Thermodynamics
Characteristic gas constant of a gas is equal to

Cv /Cp
Cp - Cv
Cp + Cv
Cp /Cv

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MORE MCQ ON Engineering Thermodynamics

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