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Engineering Thermodynamics

Engineering Thermodynamics
On volume basis, air contains following parts of oxygen

21
25
23
77

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Engineering Thermodynamics
For which of the following substances, the gas laws can be used with minimum error

Dry steam
Superheated steam
Saturated steam
Wet steam

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Engineering Thermodynamics
In a steady flow process, the ratio of

All of these
Work transfer is constant
Heat transfer is constant
Mass flow at inlet and outlet is same

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Engineering Thermodynamics
The area under the temperature-entropy curve (T – s curve) of any thermodynamic process represents

Heat absorbed
Either heat absorbed or heat rejected
Heat rejected
None of the listed here

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Engineering Thermodynamics
A perfect gas at 27°C is heated at constant pressure till its volume is double. The final temperature is

108°C
654°C
54°C
327°C

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Engineering Thermodynamics
Reversed joule cycle is called

Rankine cycle
Bell Coleman cycle
Brayton cycle
Carnot cycle

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MORE MCQ ON Engineering Thermodynamics

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