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Engineering Thermodynamics

Engineering Thermodynamics
Carnot cycle has maximum efficiency for

Reversible engine
Petrol engine
Diesel engine
Irreversible engine

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Engineering Thermodynamics
The value of gas constant (R) in S. I. units is

287 J/kgK
2.87 J/kgK
0.287 J/kgK
28.7 J/kgK

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Engineering Thermodynamics
The efficiency and work ratio of a simple gas turbine cycle are

Very low
Low
Very high
High

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Engineering Thermodynamics
The efficiency of Diesel cycle increases with

Constant cut-off
None of these
Decrease in cut-off
Increase in cut-off

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Engineering Thermodynamics
Kelvin Planck's law deals with

Conversion of heat into work
Conversion of work into heat
Conservation of work
Conservation of heat

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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

1400 K
800 K
1000 K
1200 K

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MORE MCQ ON Engineering Thermodynamics

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