Viscosity
Viscosity: Overview
This topic deals with the concept of viscosity. It also explains Stoke’s law with its formula. The viscosities of some fluids are also mentioned here along with illustration and examples.
Important Questions on Viscosity
The coefficient of viscosity of fluids will be decreased as the temperature _____.

Which method is used for determining coefficient of viscosity?

In Poiseuilli's method of determination of the coefficient of viscosity, the physical quantity that requires greater accuracy in measurement is inner _____ of capillary tube.

In Poiseuilli's method of determination of the coefficient of viscosity, the physical quantity that requires greater accuracy in measurement is inner radius of capillary tube.

Non-newtonian fluid is _____, but it contains liquid's and solid's characteristics.



Where are non-Newtonian fluids used?

Poiseuille's equation can be used to determine the pressure drop of a constant _____ fluid exhibiting laminar flow through a rigid pipe.

Derivation of poiseuille's equation can determine the liquid's viscosity(V) flows through the cylindrical tube.


Which among the following is an assumption of the Poiseuille equation?

Blood circulation through arteries and veins depends upon the viscosity of _____.

The oil used as a lubricant for heavy machinery parts should have a _____ viscous coefficient.

Viscosity plays a significant role in the preparation and serving of food.

On increasing pressure, the viscosity of gas molecules _____ due to the increase in glow of molecules.

On increasing pressure viscosity of liquid molecules _____.

On increasing pressure viscosity of liquid molecules increases.

How does viscosity affect pressure drop?

Increase in temperature decreases _____.
