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Engineering Thermodynamics

Engineering Thermodynamics
A cycle consisting of one constant pressure, one constant volume and two isentropic processes is known as

Carnot cycle
Diesel cycle
Otto cycle
Stirling cycle

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Engineering Thermodynamics
The efficiency of Stirling cycle is __________ Carnot cycle.

Less than
Greater than
None of these
Equal to

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Engineering Thermodynamics
The throttling process is __________ process.

Reversible or irreversible
None of these
Irreversible
Reversible

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Engineering Thermodynamics
Barometric pressure is equal to

1 mm Hg
Zero mm Hg
735.6 mm Hg
760 mm Hg

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Engineering Thermodynamics
The absolute zero pressure will be

At the center of the earth
When molecular momentum of the system becomes zero
At the temperature of - 273 K
At sea level

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Engineering Thermodynamics
The heat absorbed or rejected by the working substance is given by (where ds = Increase or decrease of entropy, T = Absolute temperature, and dQ = Heat absorbed or rejected)

dQ = ds/T
δQ = T/ds
δQ = T.ds
None of the listed here

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