Freshers India

Engineering - Mechanical Engineering

You Are Here :: Home > Mechanical Engineering > Hydraulic and Fluid Machines -General Questions

37.

Surface tension has the units of

A.	newtons/m	B.	newtons/m
C.	new tons/m	D.	newtons

38.

The angle of contact in case of a liquid depends upon

A.	the nature of the liquid and the solid	B.	the material which exists above the free surface of the liquid
C.	both of die above	D.	any one of the above

39.

The bulk modulus of elasticity

A.	has the dimensions of 1/pressure	B.	increases with pressure
C.	is large when fluid is more compres¬sible	D.	is independent of pressure and viscosity

40.

The bulk modulus of elasticity with increase in pressure

A.	increases	B.	decreases
C.	remains constant	D.	increases first upto certain limit and then decreases

41.

The buoyancy depends on

A.	mass of liquid displaced	B.	viscosity of the liquid
C.	pressure of the liquid displaced	D.	depth of immersion

42.

The centre of gravity of the volume of the liquid displaced by an immersed body is called

A.	meta-centre	B.	centre of pressure
C.	centre of buoyancy	D.	centre of gravity

« prev

Catch Us on