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Engineering Thermodynamics

Engineering Thermodynamics
The absolute zero pressure can be attained at a temperature of

None of these
-273°C
0°C
273 K

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Engineering Thermodynamics
Minimum work in compressor is possible when the value of adiabatic index ‘n’ is equal to

1.35
1.27
0.75
1

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Engineering Thermodynamics
If heat be exchanged in a reversible manner, which of the following property of the working substance will change accordingly

Enthalpy
Entropy
Temperature
Internal energy

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Engineering Thermodynamics
Which of the following gas has the highest calorific value?

Coal gas
Mond gas
Producer gas
Blast furnace gas

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Engineering Thermodynamics
All perfect gases change in volume by 1/273th of its original volume at 0°C for every 1°C change in temperature, when the pressure remains constant. This statement is called

Joule's law
Charles' law
Gay-Lussac law
Boyle's law

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Engineering Thermodynamics
Work done is zero for the following process

All of the listed here
Free expansion
Constant volume
Throttling

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MORE MCQ ON Engineering Thermodynamics

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