HYDRAULICS AND FLUID MECHANICS IN ME QUIZ

Center of pressure on an inclined plane is

At the Centroid

At metacentre

Below the Centroid

Above the Centroid

TRUE ANSWER : ?
YOUR ANSWER : ?

Medium specific speed of a pump implies it is

Mixed flow pump

Any one of the above

Axial flow pump

Centrifugal pump

TRUE ANSWER : ?
YOUR ANSWER : ?

Discharge of a centrifugal pump is (where N = Speed of the pump impeller)

Directly proportional to N

Inversely proportional to N²

Directly proportional to N²

Inversely proportional to N

TRUE ANSWER : ?
YOUR ANSWER : ?

The loss of pressure head in case of laminar flow is proportional to

(Velocity)2

(Velocity)4

(Velocity)3

Velocity

TRUE ANSWER : ?
YOUR ANSWER : ?

According to fan laws, at constant speed and capacity, the pressure and power vary

Inversely as square root of density

Directly as the air or gas density

As square of density

Inversely as density

TRUE ANSWER : ?
YOUR ANSWER : ?

Metacentre is the point of intersection of

All of these

buoyant force and the center line of body

mid point between e.g. and center of buoyancy

vertical upward force through e.g. of body and center line of body

TRUE ANSWER : ?
YOUR ANSWER : ?

According to fan laws, for fans having constant wheel diameter, the air or gas capacity varies

Square of fan speed

Square root of fan speed

Directly as fan speed

Cube of fan speed

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following pump is generally used to pump highly viscous fluid?

Reciprocating pump

Screw pump

Air lift pump

Centrifugal pump

TRUE ANSWER : ?
YOUR ANSWER : ?

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

1000 N/m3

9.81 xlO3 N/m3

9.81 xlO6 N/m3

10000 N/m3

TRUE ANSWER : ?
YOUR ANSWER : ?

The coefficient of viscosity may be determined by

Capillary tube method

All of these

Rotating cylinder method

Orifice type viscometer

TRUE ANSWER : ?
YOUR ANSWER : ?

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