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Engineering Thermodynamics

Engineering Thermodynamics
Which of the following has the minimum atomic mass?

Nitrogen
Sulphur
Carbon
Oxygen

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Engineering Thermodynamics
The sum of internal energy (U) and the product of pressure and volume (p.v) is known as

Entropy
Power
Enthalpy
Work done

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Engineering Thermodynamics
The processes occurring in open system which permit the transfer of mass to and from the system, are known as

Adiabatic processes
Flow processes
None of the listed here
Non-flow processes

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Engineering Thermodynamics
The ratio of root mean square velocity to average velocity of gas molecules at a particular temperature is

1.086
1.086
4.086
0.086

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Engineering Thermodynamics
Diesel cycle consists of following four processes

Two isentropic and two constant pressures
Two isentropic and two constant volumes
Two isothermal and two isentropic
Two isentropic, one constant volume and one constant pressure

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Engineering Thermodynamics
Change in enthalpy of a system is the heat supplied at

Constant entropy
Constant temperature
Constant volume
Constant pressure

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MORE MCQ ON Engineering Thermodynamics

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