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Engineering Thermodynamics

Engineering Thermodynamics
Which of the following laws is applicable for the behaviour of a perfect gas?

Gay Lussac’s law
Boyle's law
All of these
Charles ‘law

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Engineering Thermodynamics
A manufacturer claims to have a heat engine capable of developing 20 h.p. by receiving heat input of 400 kcal/mt and working between the temperature limits of 227° C and 27° C. His claim is

May be possible with lot of sophistications
Not possible
Cost will be very high
Theoretically possible

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Engineering Thermodynamics
One kg of hydrogen requires 8 kg of oxygen and produces

9 kg of water
8 kg of water
7 kg of water
1 kg of water

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Engineering Thermodynamics
Compressed air coming out from a punctured football

Becomes cooler
Remains at the same temperature
May become hotter or cooler depending upon the humidity of the surrounding air
Becomes hotter

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Engineering Thermodynamics
The specific heat of air increases with increase in

Temperature
Pressure
Both pressure and temperature
Variation of its constituents

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Engineering Thermodynamics
The general law of expansion or compression is pvn = C, The process is said to be hyperbolic, if n is equal to

1
∝
γ

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MORE MCQ ON Engineering Thermodynamics

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