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Engineering Thermodynamics

Engineering Thermodynamics
The heat flows from a cold body to a hot body with the aid of an external source. This statement is given by

Gay-Lussac
Clausis
Joule
Kelvin

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Engineering Thermodynamics
When the gas is cooled at constant pressure,

Both temperature and volume increases
Its temperature increases but volume decreases
Its volume increases but temperature decreases
Both temperature and volume decreases

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Engineering Thermodynamics
Change in enthalpy in a closed system is equal to heat transferred if the reversible process takes place at constant

Internal energy
Volume
Temperature
Pressure

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Engineering Thermodynamics
The specific heat of air increases with increase in

Variation of its constituents
Temperature
Both pressure and temperature
Pressure

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Engineering Thermodynamics
The energy of molecular motion appears as

Friction
Surface tension
Heat
Potential energy

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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

Adiabatic process
Polytropic process
Hyperbolic process
Isothermal process

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MORE MCQ ON Engineering Thermodynamics

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