FLUID MECHANICS QUIZ

In Newton's law range, the drag co-efficient for the motion of spherical particle in a stationary fluid is

4.4

0.044

0.44

44

TRUE ANSWER : ?
YOUR ANSWER : ?

The Stoke's stream function applies to the

None of these

Irrotational flow only

Cases of axial symmetry

Ideal/non-viscous fluids only

TRUE ANSWER : ?
YOUR ANSWER : ?

Curve III in the above diagram represents a/an

None of these

Dilatent fluid

Pseudo plastic fluid

Ideal plastic

TRUE ANSWER : ?
YOUR ANSWER : ?

The normal stress is the same in all directions at a point in a fluid, when the fluid is

Both A and B

Having no motion of one fluid layer relative to the other

Non-viscous

Incompressible

TRUE ANSWER : ?
YOUR ANSWER : ?

In deriving Bernoulli's equation, fluid is assumed to be

None of these

Uniform, steady, incompressible, along a streamline

Steady, density being pressure dependent, frictionless

Incompressible, frictionless, steady, along a streamline

TRUE ANSWER : ?
YOUR ANSWER : ?

Rubber latex is an example of a __________ .fluid.

Dilatent

Bingham plastic

Newtonion

Pseudoplastic

TRUE ANSWER : ?
YOUR ANSWER : ?

A hydraulic ram acts as a/an __________ pump.

Reciprocating

Centrifugal

Parallel cylinder

Impulse

TRUE ANSWER : ?
YOUR ANSWER : ?

Ratio of inertial forces to surface tension forces is called the __________ number.

Froude

Weber

Euler

Mach

TRUE ANSWER : ?
YOUR ANSWER : ?

Euler's equation of motion is a statement expressing

Newton's first law of motion

Conservation of mass

Newton's second law of motion

Conservation of energy

TRUE ANSWER : ?
YOUR ANSWER : ?

Mass velocity in case of steady flow and through a constant cross-section conduit is independent of the

Neither A nor B

Pressure

Temperature

Both A & B

TRUE ANSWER : ?
YOUR ANSWER : ?