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Engineering Thermodynamics

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

654°C
108°C
54°C
327°C

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

21
73
23
25

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Engineering Thermodynamics
During throttling process

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

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Engineering Thermodynamics
When a gas is heated, change takes place in

Volume
Pressure
All of the listed here
Temperature

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

Superheated steam
Saturated steam
Dry steam
Wet steam

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Engineering Thermodynamics
The gas constant (R) is equal to the

Difference of two specific heats
Sum of two specific heats
Ratio of two specific heats
Product of two specific heats

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MORE MCQ ON Engineering Thermodynamics

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