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Engineering Thermodynamics

Engineering Thermodynamics
Work done is zero for the following process

Throttling
Free expansion
Constant volume
All of the listed here

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Engineering Thermodynamics
The heating of a gas at constant pressure is governed by

Charles' law
Avogadro's law
Gay-Lussac law
Boyle's law

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Engineering Thermodynamics
The unit of universal gas constant is

None of these

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Engineering Thermodynamics
Diesel cycle consists of following four processes

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

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Engineering Thermodynamics
The condition of perfect vacuum, i.e., absolute zero pressure can be attained at

A temperature of - 273.16°C
A negative pressure and 0°C temperature
A temperature of 0°C
A temperature of 273 °K

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Engineering Thermodynamics
The compression ratio for petrol engines is

5 to 8
3 to 6
15 to 30
10 to 20

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MORE MCQ ON Engineering Thermodynamics

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