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

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Engineering Thermodynamics
The throttling process is __________ process.

None of these
Reversible or irreversible
Irreversible
Reversible

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Engineering Thermodynamics
The efficiency of Joule cycle is

Less than Carnot cycle
Equal to Carnot cycle
Greater than Carnot cycle
None of these

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Engineering Thermodynamics
One kg of ethylene (C2H4) requires 2 kg of oxygen and produces 22/7 kg of carbon dioxide and ___ kg of water or steam.

11/4
9/7
7/4
11/7

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Engineering Thermodynamics
Heat and work are

Point functions
Intensive properties
System properties
Path functions

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Engineering Thermodynamics
For a perfect gas, according to Boyle’s law (where P = Absolute pressure, V = Volume and T = Absolute temperature)

P v = constant, if T is kept constant
P/T = constant, if v is kept constant
V/T = constant, if p is kept constant
T/P = constant, if v is kept constant

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