## An ideal flow of any fluid must fulfill the following

A) Newton’s law of motion

B) Newton’s law of viscosity

C) Pascal’s law

D) Continuity equation

## Mercury does not wet glass due to the property of liquid known as

B) cohesion

C) surface tension

D) viscosity

## The specific weight of water in SI units is equal to

A) 1000 N/m3

B) 10000 N/m3

C) 9.81 xlO3 N/m3

D) 9.81 xlO6N/m3

## The tendency of a liquid surface to contract is due to the following property

A) cohesion

C) viscosity

D) surface tension

## A fluid in equilibrium can’t sustain

A) tensile stress

B) compressive stress

D) bending stress

## A perfect gas———-?

A) constant viscosity

B) zero viscosity

C) incompressible

D) None of the above

## The bulk modulus of elasticity with the increase in pressure——–?

A) increases

B) decreases

C) remains constant

D) increases first and then decreases

## A balloon lifting in air follows the principle———–?

A) law of gravitation

B) Archimedes principle

C) principle of buoyancy

D) all of the above

A) Redwood

B) Say bolt

C) Engler

D) Orsat

B) MlL°Tx

C) MlL r2

D) MlL2T2