What is the correct answer?


A perfect gas

A. Has constant viscosity

B. Has zero viscosity

C. Is in compressible

D. None of the above

Correct Answer :

D. None of the above

Related Questions

The viscosity of a liquid __________ its rate of flow through a hole in… A square surface 3 m × 3 m lies in a vertical line in water pipe… A body floating in a liquid is said to be in neutral equilibrium, if its… In a footstep bearing, if the radius of the shaft is doubled, then the… A piece weighing 3 kg in air was found to weigh 2.5 kg when submerged… The upper surface of a weir over which water flows is known is A notch is used to measure __________ of liquids. Stoke is the unit of Euler's dimensionless number relates the following The discharge through a channel of rectangular section will be maximum,… When a cylindrical vessel of radius (r) containing liquid is revolved… In order to avoid tendency of separation at throat in a Venturimeter,… A structure, whose width is __________ the width of the channel, is called… The power absorbed (in watts) in overcoming the viscous resistance of… The atmospheric pressure with rise in altitude decreases The pressure measured with the help of a Piezometer tube is in The torque required to overcome viscous resistance of a collar bearing… The unit of kinematic viscosity in S. I. units is The total energy line lies over the centre line of the pipe by an amount… The value of coefficient of discharge is __________ the value of coefficient… A venturi-flume is used to measure The length AB of a pipe ABC in which the liquid is flowing has diameter… The maximum discharge over a broad crested weir is When a tube of smaller diameter is dipped in water, the water rises in… Which of the following is the unit of kinematic viscosity? Barometer is used to measure A body floats in stable equilibrium The celerity (velocity) of a pressure wave in a fluid is given by (where… For a floating body to be in stable equilibrium, its metacentre should… The most efficient section of a channel is