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Engineering Thermodynamics

Engineering Thermodynamics
Entropy change depends on

Thermodynamic state
Change of temperature
Heat transfer
Mass transfer

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Engineering Thermodynamics
A tri-atomic molecule consists of __________ atoms.

Four
Three
One
Two

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

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Engineering Thermodynamics
A cycle consisting of two adiabatic and two constant pressure processes is known as

Otto cycle
Joule cycle
Stirling cycle
Ericsson cycle

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Engineering Thermodynamics
The efficiency of Diesel cycle depends upon

Temperature limits
Compression ratio
Pressure ratio
Cut-off ratio and compression ratio

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Engineering Thermodynamics
Which law states that the specific heat of a gas remains constant at all temperatures and pressures?

Joule's Law
Regnault's Law
Boyle's Law
Charles' Law

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MORE MCQ ON Engineering Thermodynamics

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