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Engineering Thermodynamics

Engineering Thermodynamics
One watt is equal to

1 kNm/hr
1 Nm/hr
1 N/m
1 Nm/s

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Engineering Thermodynamics
The property of a working substance which increases or decreases as the heat is supplied or removed in a reversible manner, is known as

Enthalpy
Internal energy
External energy
Entropy

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Engineering Thermodynamics
If a certain amount of dry ice is mixed with same amount of water at 80°C, the final temperature of mixture will be

40°C
20°C
80°C
0°C

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Engineering Thermodynamics
If heat be exchanged in a reversible manner, which of the following property of the working substance will change accordingly

Internal energy
Enthalpy
Temperature
Entropy

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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
Pressure
Temperature

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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
Joule
Kelvin
Gay-Lussac

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MORE MCQ ON Engineering Thermodynamics

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