Questions in Mechanical Properties of Fluids

Select	Question
	In a laminar flow the velocity of the liquid in contact with the walls of the tube is
	In a turbulent flow, the velocity of the liquid molecules in contact with the walls of the tube is
	The Reynolds number of a flow is the ratio of
	Water is flowing through a tube of non-uniform cross-section ratio of the radius at entry and exit end of the pipe is $3 : 2$. Then the ratio of velocities at entry and exit of liquid is
	Water is flowing through a horizontal pipe of non-uniform cross-section. At the extreme narrow portion of the pipe, the water will have
	A liquid flows in a tube from left to right as shown in figure. ${{A}_{1}}$ and ${{A}_{2}}$ are the cross-sections of the portions of the tube as shown. Then the ratio of speeds ${{v}_{1}}/{{v}_{2}}$ will be
	In a streamline flow
	An application of Bernoulli's equation for fluid flow is found in
	The Working of an atomizer depends upon
	The pans of a physical balance are in equilibrium. Air is blown under the right hand pan; then the right hand pan will