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Engineering Thermodynamics

Engineering Thermodynamics
A cycle consisting of two adiabatic and two constant pressure processes is known as

Ericsson cycle
Stirling cycle
Joule cycle
Otto cycle

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Engineering Thermodynamics
The efficiency of Ericsson cycle is __________ Carnot cycle.

Less than
Greater than
None of these
Equal to

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Engineering Thermodynamics
Carnot cycle efficiency depends upon

Properties of the medium/substance used
Temperature range of operation
Condition of engine
Working condition

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Engineering Thermodynamics
Boyle's law i.e. pV = constant is applicable to gases under

High range of pressures
Steady change of pressures
Only small range of pressures
All ranges of pressures

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Engineering Thermodynamics
The heat supplied to the gas at constant volume is (where m = Mass of gas, cv = Specific heat at constant volume, cp = Specific heat at constant pressure, T2 - T1 = Rise in temperature, and R = Gas constant)

mcp (T2 - T1)
mR (T2 - T1)
mcp (T2 + T1)
mcv (T2 - T1)

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Engineering Thermodynamics
If a gas vapour is allowed to expand through a very minute aperture, then such a process is known as

Free expansion
Hyperbolic expansion
Adiabatic expansion
Throttling

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MORE MCQ ON Engineering Thermodynamics

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