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31.

Poise is the unit of

A.	surface tension	B.	capillarity
C.	viscosity	D.	shear stress in fluids

32.

Property of a fluid by which its own molecules are attracted is called

A.	adhesion	B.	cohesion
C.	viscosity	D.	compressibility

33.

Property of a fluid by which molecules of different kinds of fluids are attracted to each other is called

A.	adhesion	B.	cohesion
C.	viscosity	D.	compressibility

34.

Specific weight of sea water is more that of pure water because it contains

A.	dissolved air	B.	dissolved salt
C.	suspended matter	D.	all of the above

35.

Specific weight of water in S.I. units is equal to

A.	1000 N/m3	B.	10000 N/m3
C.	9.81 xlO3 N/m3	D.	9.81 xlO6N/m3

36.

Surface tension

A.	acts in the plane of the interface normal to any line in the surface	B.	is also known as capillarity
C.	is a function of the curvature of the interface	D.	decreases with fall in temperature

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