22. Absolute zero pressure will occur
A.At sea level
B.At the center of the earth
C.When molecular momentum of the system becomes zero
D.Under vacuum conditions

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23. The unit of power in S.I. units is
A.Newton
B.Pascal
C.Erg
D.Watt

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24. The condition of perfect vacuum, i.e. absolute zero pressure can be attained at
A.A temperature of -273.16°C
B.A temperature of 0°C
C.A temperature of 273 °K
D.A negative pressure and 0°C temperature

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25. Specific heat of air at constant pressure is equal to
A.0.17
B.0.21
C.0.24
D.1.41

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26. Intensive property of a system is one whose value
A.Depends on the mass of the system, like volume
B.Does not depend on the mass of the system, like temperature, pressure, etc.
C.Is not dependent on the path followed but on the state
D.Is dependent on the path followed and not on the state

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27. Characteristic gas constant of a gas is equal to
A.Cp/Cv
B.Cv/Cp
C.Cp - Cv
D.Cp + Cv

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28. The behavior of gases can be fully determined by
A.1 law
B.2 laws
C.3 laws
D.4 laws

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