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Engineering Thermodynamics

Engineering Thermodynamics
One kg of carbon produces ___ kg of carbon dioxide.

3/7
11/3
4/11
11/7

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Engineering Thermodynamics
The heat energy stored in the gas and used for raising the temperature of the gas is known as

External energy
Kinetic energy
Internal energy
Molecular energy

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Engineering Thermodynamics
Second law of thermodynamics defines

Internal energy
Entropy
Work
Heat

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Engineering Thermodynamics
Change in internal energy in a closed system is equal to heat transferred if the reversible process takes place at constant

Internal energy
Temperature
Pressure
Volume

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Engineering Thermodynamics
The polytropic index (n) is given by

log (p1p2)/log (v1v2)
log (v1/ v2)/ log (p1/p2)
log [(p1v1)/(p2v2)]
log (p2/ p1)/log (v1/ v2)

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

Wet steam
Dry steam
Saturated steam
Superheated steam

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