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Engineering Thermodynamics

Engineering Thermodynamics
Work done in a free expansion process is

Maximum
Zero
Minimum
Positive

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Engineering Thermodynamics
A sudden fall in the barometer reading is a sign of approaching

Fine weather
Cold wave
Rains
Storm

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Engineering Thermodynamics
The ultimate analysis of coal consists of the determination of the percentage of

Sulphur and ash
Hydrogen and nitrogen
All of the listed here
Carbon

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Engineering Thermodynamics
The efficiency of Diesel cycle increases with

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

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Engineering Thermodynamics
First law of thermodynamics deals with

Conservation of heat
Conservation of mass
Conservation of momentum
Conservation of energy

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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

114 kJ
30 kJ
54 kJ
84 kJ

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MORE MCQ ON Engineering Thermodynamics

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