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Engineering Thermodynamics

Engineering Thermodynamics
The general gas equation is (where p = Pressure, v = Volume, m = mass, T = Absolute temperature, and R = Gas constant)

pv = RTm
pv = (RT)m
pvm = C
pv = mRT

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Engineering Thermodynamics
For same compression ratio and for same heat added

Otto cycle is more efficient than Diesel cycle
Efficiency depends on other factors
Diesel cycle is more efficient than Otto cycle
Both Otto and Diesel cycles are equally efficient

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

Otto cycle
Joule cycle
Stirling cycle
Ericsson cycle

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

Less than
None of these
Greater than
Equal to

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Engineering Thermodynamics
In closed cycle gas turbine, the air is compressed

Polytropically
None of these
Isothermally
Isentropically

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Engineering Thermodynamics
Reversed joule cycle is called

Carnot cycle
Bell Coleman cycle
Rankine cycle
Brayton cycle

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MORE MCQ ON Engineering Thermodynamics

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