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Engineering Thermodynamics

Engineering Thermodynamics
The entropy __________ in an irreversible cyclic process.

Remains constant
Decreases
None of these
Increases

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Engineering Thermodynamics
One reversible heat engine operates between 1600 K and T2 K and another reversible heat engine operates between T2 K and 400 K. If both the engines have the same heat input and output, then temperature T2 is equal to

1200 K
1000 K
1400 K
800 K

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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.

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

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Engineering Thermodynamics
Reversed Joule cycle is known as

Bell-Coleman cycle
Stirling cycle
Carnot cycle
Rankine cycle

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Engineering Thermodynamics
Kinetic theory of gases assumes that the collisions between the molecules are

Perfectly inelastic
Partly elastic
Partly inelastic
Perfectly elastic

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Engineering Thermodynamics
The term N.T.P. stands for

Normal thermodynamic practice
Normal temperature and pressure
Nominal temperature and pressure
Natural temperature and pressure

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