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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

Clausis
Gay-Lussac
Joule
Kelvin

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Engineering Thermodynamics
A cycle consisting of one constant pressure, one constant volume and two isentropic processes is known as

Carnot cycle
Otto cycle
Diesel cycle
Stirling cycle

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Engineering Thermodynamics
For the constant pressure and heat input, the air standard efficiency of gas power cycle is in the order

Otto cycle, Diesel cycle, Dual cycle
Diesel cycle, Otto cycle, Dual cycle
Dual cycle, Diesel cycle, Otto cycle
Dual cycle, Otto cycle, Diesel cycle

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Engineering Thermodynamics
A mixture of gas expands from 0.03 m3 to 0.06 m3 at a constant pressure of 1 MPa and absorbs 84 kJ of heat during the process. The change in internal energy of the mixture is

114 kJ
30 kJ
84 kJ
54 kJ

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Engineering Thermodynamics
The entropy of water at 0°C is assumed to be

1
2
-1

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Engineering Thermodynamics
An adiabatic process is one in which

No heat enters or leaves the gas
All of these
The temperature of the gas changes
The change in internal energy is equal to the mechanical work done

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MORE MCQ ON Engineering Thermodynamics

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