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Engineering Thermodynamics

Engineering Thermodynamics
The compression ratio for Diesel engines is

15 to 20
20 to 30
5 to 8
3 to 6

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

Enthalpy
Temperature
Internal energy
Entropy

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Engineering Thermodynamics
The volumetric or molar specific heat at constant pressure is the product of

Atomic mass of the gas and the gas constant
None of the listed here
Molecular mass of the gas and the gas constant
Molecular mass of the gas and the specific heat at constant volume

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Engineering Thermodynamics
The efficiency of Diesel cycle depends upon

Pressure ratio
Temperature limits
Compression ratio
Cut-off ratio and compression ratio

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Engineering Thermodynamics
First law of thermodynamics deals with

Conservation of momentum
Conservation of heat
Conservation of energy
Conservation of mass

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Engineering Thermodynamics
The cycle in which heat is supplied at constant volume and rejected at constant pressure is known as

Dual combustion cycle
Rankine cycle
Atkinson cycle
Diesel cycle

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MORE MCQ ON Engineering Thermodynamics

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