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Engineering Thermodynamics

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

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

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Engineering Thermodynamics
For the same compression ratio, the efficiency of dual combustion cycle is

Greater than Diesel cycle
Less than Diesel cycle
Less than Diesel cycle and greater than Otto cycle
Greater than Diesel cycle and less than Otto cycle

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Engineering Thermodynamics
Charles' law states that all perfect gases change in volume by __________ of its original volume at 0°C for every 1°C change in temperature, when pressure remains constant.

1/173th
1/273th
1/27th
1/93th

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Engineering Thermodynamics
The pressure of a gas in terms of its mean kinetic energy per unit volume 'E' is equal to

2E/3
E/3
3E/4
E/2

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Engineering Thermodynamics
The efficiency of a Carnot engine depends on

Working substance
Size of engine
Temperatures of source and sink
Design of engine

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Engineering Thermodynamics
A heat exchange process in which the product of pressure and volume remains constant is known as

Hyperbolic process
Isentropic process
Throttling process
Heat exchange process

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