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Engineering Thermodynamics

Engineering Thermodynamics
The gas constant (R) is equal to the __________ of two specific heats.

Sum
Difference
Product
Ratio

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Engineering Thermodynamics
One reversible heat engine operates between 1600 K and T2 K and another reversible heat engine operates between T2 K and 400 K. If both the engines have the same heat input and output, then temperature T2 is equal to

1200 K
800 K
1400 K
1000 K

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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

Kelvin
Clausis
Joule
Gay-Lussac

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

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

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Engineering Thermodynamics
Which of the following is the extensive property of a thermodynamic system?

Pressure
Volume
Temperature
Density

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Engineering Thermodynamics
When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel, the process is known as __________ of fuel.

Combustion
Carbonization
None of these
Atomization

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