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Engineering Thermodynamics

Engineering Thermodynamics
Which law states that the internal energy of a gas is a function of temperature?

Joule's law
Boyle's law
There is no such law
Charles' law

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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

Polytropic process
Isothermal process
Hyperbolic process
Adiabatic process

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

Day
Hour
Minute
Second

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Engineering Thermodynamics
The efficiency of Diesel cycle depends upon

Temperature limits
Pressure ratio
Compression ratio
Cut-off ratio and compression ratio

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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
0°C
80°C

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Engineering Thermodynamics
The efficiency of the dual combustion cycle for the same compression ratio is __________ Diesel cycle.

Less than
None of these
Equal to
Greater than

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MORE MCQ ON Engineering Thermodynamics

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