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Engineering Thermodynamics

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

None of the listed here
Otto cycle
Carnot cycle
Stirling cycle

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Engineering Thermodynamics
The efficiency of a Carnot engine depends on

Temperatures of source and sink
Working substance
Design of engine
Size of engine

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Engineering Thermodynamics
Specific heat of air at constant pressure is equal to

0.17
1
0.21
0.24

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Engineering Thermodynamics
The behavior of a perfect gas, undergoing any change in the variables which control physical properties, is governed by

Boyle's law
All of the listed here
Charles' law
Gay-Lussac law

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Engineering Thermodynamics
The __________ states that change of internal energy of a perfect gas is directly proportional to the change of temperature.

Charle's law
Joule's law
Gay-Lussac law
Boyle's law

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Engineering Thermodynamics
The reading of the pressure gauge fitted on a vessel is 25 bar. The atmospheric pressure is 1.03 bar and the value of 'g' is 9.81 m/s2. The absolute pressure in the vessel is

25 bar
23.97 bar
26.03 bar
34.81 bar

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MORE MCQ ON Engineering Thermodynamics

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