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Engineering Thermodynamics

Engineering Thermodynamics
The natural petroleum may be separated into

Lubricating oil
Fuel oil
Petrol
Kerosene

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Engineering Thermodynamics
The heat absorbed or rejected by the working substance is given by (where ds = Increase or decrease of entropy, T = Absolute temperature, and dQ = Heat absorbed or rejected)

None of the listed here
δQ = T.ds
dQ = ds/T
δQ = T/ds

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Engineering Thermodynamics
Otto cycle consists of following four processes

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

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Engineering Thermodynamics
The unit of universal gas constant is

None of these

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Engineering Thermodynamics
Isochoric process is one in which

No mechanical work is done by the system
All parameters remain constant
Free expansion takes place
Very little mechanical work is done by the system

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Engineering Thermodynamics
The behavior of super-heated vapour is similar to that of

Air
Steam
Perfect gas
Ordinary gas

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MORE MCQ ON Engineering Thermodynamics

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