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Engineering Thermodynamics

Engineering Thermodynamics
One kilowatt is equal to

1000 N-m/s
1 N-m/s
1 × 106 N-m/s
100 N-m

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Engineering Thermodynamics
The compression ratio is the ratio of

Swept volume to clearance volume
Total volume to swept volume
Total volume to clearance volume
Swept volume to total volume

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Engineering Thermodynamics
If a gas vapour is allowed to expand through a very minute aperture, then such a process is known as

Throttling
Hyperbolic expansion
Free expansion
Adiabatic expansion

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Engineering Thermodynamics
Molecular volume of any perfect gas at 600 × 103 N/m² and 27°C will be

0.15 m3/kg mol
400 m3/kg mol
41.7 m3/kg mol
4.17 m3/kg mol

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Engineering Thermodynamics
The compression ratio for Diesel engines is

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

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Engineering Thermodynamics
The efficiency of a Carnot engine depends on

Size of engine
Design of engine
Working substance
Temperatures of source and sink

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MORE MCQ ON Engineering Thermodynamics

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