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Engineering Thermodynamics

Engineering Thermodynamics
The unit of mass in S.I. units is

Kilogram
Quintal
Tonne
Gram

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Engineering Thermodynamics
According to Gay Lussac’s law for a perfect gas, the absolute pressure of given mass varies directly as

Volume, if temperature is kept constant
Absolute temperature, if volume is kept constant
None of these
Temperature

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

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

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Engineering Thermodynamics
A process, in which the temperature of the working substance remains constant during its expansion or compression, is called

Hyperbolic process
Adiabatic process
Isothermal process
Polytropic process

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Engineering Thermodynamics
When wood is heated with a limited supply of air to a temperature not less than 280°C, the resulting fuel is

Briquetted coal
Bituminous coal
Coke
Wood charcoal

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Engineering Thermodynamics
The compression ratio for petrol engines is

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

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MORE MCQ ON Engineering Thermodynamics

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