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Engineering Thermodynamics

Engineering Thermodynamics
The atomic mass of oxygen is

121
14
16
18

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Engineering Thermodynamics
The ideal efficiency of a Brayton cycle with regeneration, with increase in pressure ratio will

Increase
Decrease
Increase/decrease depending on application
Remain unchanged

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Engineering Thermodynamics
When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel, the process is known as __________ of fuel.

Carbonization
None of these
Combustion
Atomization

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Engineering Thermodynamics
One reversible heat engine operates between 1600 K and T2 K and another reversible heat engine operates between T2 K and 400 K. If both the engines have the same heat input and output, then temperature T2 is equal to

1200 K
1400 K
800 K
1000 K

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Engineering Thermodynamics
The kinetic energy per kg molecule of any gas at absolute temperature T is equal to (where Ru = Universal gas constant)

1.5 Ru × T
Ru × T
2 Ru × T
3 Ru × T

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Engineering Thermodynamics
An open cycle gas turbine works on

Carnot cycle
Stirling cycle
Otto cycle
Joule's cycle

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MORE MCQ ON Engineering Thermodynamics

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