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Engineering Thermodynamics

Engineering Thermodynamics
If both Stirling and Carnot cycles operate within the same temperature limits, then efficiency of Stirling cycle as compared to Carnot cycle

More
Equal
Depends on other factors
Less

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Engineering Thermodynamics
Diesel cycle consists of following four processes

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

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Engineering Thermodynamics
Which of the following cycles is not a reversible cycle?

Carnot
Ericsson
Stirling
None of the listed here

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Engineering Thermodynamics
The efficiency of Diesel cycle approaches to Otto cycle efficiency when

Cut-off is decreased
Cut-off is constant
Cut-off is zero
Cut-off is increased

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

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

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Engineering Thermodynamics
The oxygen atom is ________ times heavier than the hydrogen atom.

32
16
8
2

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