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Engineering Thermodynamics

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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Engineering Thermodynamics
The ratio of root mean square velocity to average velocity of gas molecules at a particular temperature is

1.086
0.086
1.086
4.086

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Engineering Thermodynamics
The sum of internal energy (U) and the product of pressure and volume (p.v) is known as

Entropy
Power
Work done
Enthalpy

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Engineering Thermodynamics
Energy can neither be created nor destroyed but can be converted from one form to other is inferred from

Basic law of thermodynamics
Zeroth low of thermodynamic
Second law to thermodynamics
First law of thermodynamics

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Engineering Thermodynamics
Carnot cycle efficiency is maximum when

Difference between initial and final temperature is 0°K
Final temperature is 0°C
Initial temperature is 0°K
Final temperature is 0°K

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Engineering Thermodynamics
The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is

Less than one
Greater than one
Equal to one
None of these

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MORE MCQ ON Engineering Thermodynamics

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