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Engineering Thermodynamics

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

Superheated steam
Dry steam
Saturated steam
Wet steam

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Engineering Thermodynamics
Which of the following variables controls the physical properties of a perfect gas?

Volume
Temperature
All of these
Pressure

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Engineering Thermodynamics
The area under the temperature-entropy curve (T – s curve) of any thermodynamic process represents

Heat absorbed
Either heat absorbed or heat rejected
Heat rejected
None of the listed here

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Engineering Thermodynamics
Otto cycle efficiency is higher than Diesel cycle efficiency for the same compression ratio and heat input because in Otto cycle

Expansion and compression are isentropic
Combustion is at constant volume
Heat rejection is lower
Maximum temperature is higher

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Engineering Thermodynamics
The unit of length in S.I. units is

Millimeter
Centimeter
Kilometer
Meter

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Engineering Thermodynamics
The cycle in which heat is supplied at constant volume and rejected at constant pressure is known as

Diesel cycle
Atkinson cycle
Dual combustion cycle
Rankine cycle

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MORE MCQ ON Engineering Thermodynamics

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