Viscosity

IMPORTANT

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

EASY
IMPORTANT

The coefficient of viscosity of fluids will be decreased as the temperature _____.

EASY
IMPORTANT

Which method is used for determining coefficient of viscosity?
 

EASY
IMPORTANT

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.

EASY
IMPORTANT

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.

EASY
IMPORTANT

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

EASY
IMPORTANT

Is honey a Newtonian?
 

EASY
IMPORTANT

Why is it called non-Newtonian?
 

EASY
IMPORTANT

Where are non-Newtonian fluids used?

EASY
IMPORTANT

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

EASY
IMPORTANT

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

EASY
IMPORTANT

Where is Poiseuille's law used?
 

EASY
IMPORTANT

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

EASY
IMPORTANT

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

EASY
IMPORTANT

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

EASY
IMPORTANT

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

EASY
IMPORTANT

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

EASY
IMPORTANT

On increasing pressure viscosity of liquid molecules _____.

EASY
IMPORTANT

On increasing pressure viscosity of liquid molecules increases.

EASY
IMPORTANT

How does viscosity affect pressure drop?
 

EASY
IMPORTANT

Increase in temperature decreases _____.