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41.

The law similar to Newtons law viscosity used in the solid mechanics is called

A.	Newtons second law of motion	B.	Archimedes principle
C.	Hookes law	D.	Newtons third law of motion

42.

An ideal fluid is one which

A.	is very viscous	B.	is frictionless and incompressible
C.	has negligible surface tension	D.	obeys Newtons law of viscosity

43.

A Newtonian fluid is one which

A.	is frictionless and incompressible	B.	has a linear relationship between the magnitude of applied shear stress and the resulting rate of deformation
C.	has a nonlinear relationship between the magnitude of spplied shear stress and the resulting rate of deformation	D.	has a vapor pressure of 1 N/m2 at 25?C.

44.

Fluid continuum is a concept in which

A.	the actual molecular structure is replaced by a hypothetical continuous medium	B.	fluid particles are widely scattered in space
C.	fluid is non-homogeneous	D.	fluid density is very low

45.

An incompressible flow is one in which

A.	the fluid is frictionless	B.	the fluid compressibility is greater than zero
C.	the density does not change with pressure and temperature	D.	the temperature of fluid remains constant

46.

An example of Newtonian fluid is

A.	non-colloidal solution	B.	sewage sludge
C.	rubber latex	D.	quicksand

47.

An example of a pseudoplastic fluid is

A.	gas	B.	rubber latex
C.	sewage sludge	D.	quicksand

48.

An example of Bingham plastic is

A.	gas	B.	non colloidal solution
C.	sewage sludge	D.	rubber latex

49.

An example of dilatent fluid is

A.	non-colloidal solution	B.	quicksand
C.	rubber latex	D.	sewage emulsion

50.

Power law behaviour is pseudoplastic for

A.	n = 1	B.	n < 1
C.	n > 1	D.	n = 0