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Engineering Thermodynamics

Engineering Thermodynamics
One watt is equal to

1 kNm/hr
1 N/m
1 Nm/hr
1 Nm/s

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Engineering Thermodynamics
If a gas is heated against a pressure, keeping the volume constant, then work done will be equal to

-ve
Zero
+ve
Anywhere between zero and infinity

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Engineering Thermodynamics
The efficiency of the dual combustion cycle for the same compression ratio is __________ Diesel cycle.

None of these
Less than
Greater than
Equal to

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Engineering Thermodynamics
The energy of molecular motion appears as

Surface tension
Potential energy
Friction
Heat

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Engineering Thermodynamics
The change of entropy, when heat is absorbed by the gas, is

Negative
None of these
Positive or negative
Positive

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Engineering Thermodynamics
The efficiency of Diesel cycle approaches to Otto cycle efficiency when

Cut-off is decreased
Cut-off is constant
Cut-off is zero
Cut-off is increased

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MORE MCQ ON Engineering Thermodynamics

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