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Engineering Thermodynamics

Engineering Thermodynamics
The statement that molecular weights of all gases occupy the same volume is known as

Avogadro's hypothesis
Gas law
Dalton's law
Law of thermodynamics

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Engineering Thermodynamics
Entropy change depends on

Change of temperature
Mass transfer
Thermodynamic state
Heat transfer

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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

γ
∝
1

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Engineering Thermodynamics
The heat and mechanical energies are mutually convertible. This statement was established by

Joule
None of these
Charles
Boyle

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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)

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

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Engineering Thermodynamics
Petrol is distilled at

220° to 345°C
345° to 470°C
65° to 220°C
470° to 550°C

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