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Engineering Thermodynamics

Engineering Thermodynamics
General gas equation is

PV=mRT
PV = C
PV=nRT
PV=KiRT

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Engineering Thermodynamics
The absolute zero temperature is taken as

-237°C
237°C
273°C
-273°C

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Engineering Thermodynamics
If a certain amount of dry ice is mixed with same amount of water at 80°C, the final temperature of mixture will be

40°C
0°C
20°C
80°C

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Engineering Thermodynamics
When a gas is heated at constant volume

Both temperature and pressure will increase
Neither temperature nor pressure will increase
Its temperature will increase
Its pressure will increase

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

1.27
1
1.35
0.75

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

Saturated steam
Dry steam
Superheated steam
Wet steam

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MORE MCQ ON Engineering Thermodynamics

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