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Engineering Thermodynamics

Engineering Thermodynamics
In a Carnot cycle, heat is transferred at

Constant enthalpy
Constant temperature
Constant pressure
Constant volume

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Engineering Thermodynamics
The principal constituents of a fuel are

Carbon and hydrogen
Sulphur and oxygen
Oxygen and hydrogen
Sulphur and hydrogen

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

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Engineering Thermodynamics
All perfect gases change in volume by 1/273th of its original volume at 0°C for every 1°C change in temperature, when the pressure remains constant. This statement is called

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

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

Volume
Internal energy
Pressure
Temperature

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Engineering Thermodynamics
In an isothermal process, the internal energy of gas molecules

Decreases
Remain constant
Increases
May increase/decrease depending on the properties of gas

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MORE MCQ ON Engineering Thermodynamics

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