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Engineering Thermodynamics

Engineering Thermodynamics
In an irreversible process, there is a

Gain of heat
No gain of heat
Loss of heat
No loss of heat

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Engineering Thermodynamics
Carnot cycle efficiency depends upon

Properties of the medium/substance used
Temperature range of operation
Condition of engine
Working condition

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

Rankine cycle
Dual combustion cycle
Atkinson cycle
Diesel cycle

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Engineering Thermodynamics
Which of the following is the lightest and most volatile liquid fuel?

Kerosene
Fuel oil
None of these
Gasoline

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Engineering Thermodynamics
The expansion ratio (r) is the ratio of (where v1 = Volume at the beginning of expansion, and v2 = Volume at the end of expansion)

(v1 + v2)/v2
(v1 + v2)/v1
v1/v2
v2/v1

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Engineering Thermodynamics
The unit of energy is S. I. units is

Joule meter (Jm)
Joule/meter (J/m)
Joule (J)
Watt (W)

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MORE MCQ ON Engineering Thermodynamics

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