Engineering :: Thermodynamics

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331.

The specific heat of a perfect gas is a function of

A.	temperature only	B.	temperature and pressure only
C.	temperature and entropy only	D.	temperature, pressure and entropy only

332.

All of the following are intensive properties EXCEPT:

A.	Mass	B.	Density
C.	Viscosity	D.	Temperature

333.

Which of the following is an extensive property?

A.	Surface tension	B.	Heat capacity
C.	Refractive index	D.	Viscosity

334.

The temperature of a gas is a measure of

A.	the average kinetic energy of the gaseous molecules	B.	the average distance between the molecules of the gas
C.	The average potential energy of the molecules	D.	None of the above

335.

Which of the following gas will satisfy, Boyle's law over a wider range of temperatures and pressures?

A.	Oxygen	B.	Hydrogen
C.	Helium	D.	Carbon monoxide

336.

Line's liquifer is based on the principle of

A.	adiabatic expansion	B.	Joule-Thomson effect
C.	adiabatic magnetisation	D.	adiabatic demagnetisation

337.

The melting point of ice

A.	is independent of atmospheric pressure	B.	increases with increase in atmospheric pressure
C.	decreases with increase in atmospheric pressure

338.

As we go up in air the temperature of air decreases because

A.	winds help in heat transfer by convection	B.	oxygen content of air decreases sharply
C.	of low pressure of air	D.	heating effect due to infra red radiations from the surface of the earth is reduced

339.

Two gases X and Y having the same temperature T, the same pressure P and the same volume V are mixed. If the mxiture has the volume V and temperature T, then the pressure of the mixture must be

A.	4P	B.	P
C.	2P

340.

In Porous plug experiment the change in temperature of a gas depends upon

A.	its molecular weight	B.	its specific heat
C.	pressure gradient on either side	D.	All of the above