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Engineering Thermodynamics

Engineering Thermodynamics
One kg of carbon produces ___ kg of carbon dioxide.

3/7
11/3
11/7
4/11

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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)

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

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

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Engineering Thermodynamics
The increase in entropy of a system represents

Decrease in pressure
Degradation of energy
Increase in availability of energy
Increase in temperature

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Engineering Thermodynamics
The efficiency of Ericsson cycle is __________ Carnot cycle.

Less than
Greater than
Equal to
None of these

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Engineering Thermodynamics
Isochoric process is one in which

Free expansion takes place
Very little mechanical work is done by the system
No mechanical work is done by the system
All parameters remain constant

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