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Engineering Thermodynamics

Engineering Thermodynamics
The gas constant (R) is equal to the __________ of two specific heats.

Sum
Difference
Ratio
Product

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

Temperature
Volume
Internal energy
Pressure

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Engineering Thermodynamics
Kelvin Planck's law deals with

Conversion of work into heat
Conservation of heat
Conservation of work
Conversion of heat into work

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Engineering Thermodynamics
The heat and mechanical energies are mutually convertible. This statement was established by

None of these
Joule
Boyle
Charles

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Engineering Thermodynamics
The value of gas constant (R) in S. I. units is

0.287 J/kgK
2.87 J/kgK
287 J/kgK
28.7 J/kgK

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Engineering Thermodynamics
Specific heat of air at constant pressure is equal to

1
0.17
0.24
0.21

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