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Engineering Thermodynamics

Engineering Thermodynamics
Carnot cycle has maximum efficiency for

Reversible engine
Petrol engine
Irreversible engine
Diesel engine

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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
800 K
1000 K
1400 K

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Engineering Thermodynamics
If a fluid expands suddenly into vacuum through an orifice of large dimension, then such a process is called

Free expansion
Parabolic expansion
Hyperbolic expansion
Adiabatic expansion

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Engineering Thermodynamics
The isothermal and adiabatic processes are regarded as

Irreversible process
Reversible process
Reversible or irreversible process
None of the listed here

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Engineering Thermodynamics
Barometric pressure is equal to

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

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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

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

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MORE MCQ ON Engineering Thermodynamics

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