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Engineering Thermodynamics

Engineering Thermodynamics
If heat be exchanged in a reversible manner, which of the following property of the working substance will change accordingly

Internal energy
Enthalpy
Entropy
Temperature

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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

1000 K
1200 K
1400 K
800 K

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Engineering Thermodynamics
Properties of substances like pressure, temperature and density, in thermodynamic coordinates are

Path functions
Point functions
Real functions
Cyclic functions

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Engineering Thermodynamics
In a free expansion process

Heat transfer is zero
Both (A) and (B) above
Work done is zero but heat increases
Work done is zero

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Engineering Thermodynamics
The amount of heat generated per kg of fuel is known as

Calorific value
Lower calorific value
Heat energy
Higher calorific value

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Engineering Thermodynamics
Reversed joule cycle is called

Rankine cycle
Carnot cycle
Brayton cycle
Bell Coleman cycle

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MORE MCQ ON Engineering Thermodynamics

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