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Engineering Thermodynamics

Engineering Thermodynamics
In a Carnot cycle, heat is transferred at

Constant pressure
Constant temperature
Constant volume
Constant enthalpy

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Engineering Thermodynamics
The compression ratio for petrol engines is

3 to 6
15 to 30
10 to 20
5 to 8

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Engineering Thermodynamics
One Joule (J) is equal to

10 N-m/s
1 N-m
1 kN-m
10 kN-m/s

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Engineering Thermodynamics
The amount of heat required to raise the temperature of the unit mass of gas through one degree at constant volume, is called

Specific heat at constant pressure
None of these
Specific heat at constant volume
Kilo Joule

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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
Internal energy
Molecular energy
Kinetic energy

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Engineering Thermodynamics
The __________ states that change of internal energy of a perfect gas is directly proportional to the change of temperature.

Boyle's law
Gay-Lussac law
Joule's law
Charle's law

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