HYDRAULICS AND FLUID MECHANICS IN ME QUIZ

Equation of continuity is based on the principle of conservation of

None of these

mass

energy

momentum

TRUE ANSWER : ?
YOUR ANSWER : ?

The meatcentric height of a ship is 0.6 m and the radius of gyration is 4 m. The time of rolling of a ship is

5.2 sec

14.1 sec

10.4 sec

4.1 sec

TRUE ANSWER : ?
YOUR ANSWER : ?

The width of the bucket for a Pelton wheel is generally ________ the diameter of jet.

Five times

Four times

Three times

Double

TRUE ANSWER : ?
YOUR ANSWER : ?

The normal stress in a fluid will be constant in all directions at a point only if

It is at rest

It has zero viscosity

It is incompressible

It has uniform viscosity

TRUE ANSWER : ?
YOUR ANSWER : ?

The pressure measured with the help of a Piezometer tube is in

All of these

N/mm2

Head of liquid

N/m2

TRUE ANSWER : ?
YOUR ANSWER : ?

The length of a pipe is 1 km and its diameter is 20 cm. If the diameter of an equivalent pipe is 40 cm, then its length is

4 km

20 km

8 km

32 km

TRUE ANSWER : ?
YOUR ANSWER : ?

Manometer is used to measure

very low pressure

difference of pressure between two points

atmospheric pressure

pressure in pipes, channels etc

TRUE ANSWER : ?
YOUR ANSWER : ?

The loss of head at entrance in a pipe is (where v = Velocity of liquid in the pipe)

0.75v²/2g

0.375v²/2g

v²/2g

0.5v²/2g

TRUE ANSWER : ?
YOUR ANSWER : ?

The flow rate in gear pump

Unpredictable

Decreases with increase in pressure

Increases with increase in pressure

More or less remains constant with increase in pressure

TRUE ANSWER : ?
YOUR ANSWER : ?

A structure used to dam up a stream or river over which the water flows is called

Weir

Dam

Notch

Orifice

TRUE ANSWER : ?
YOUR ANSWER : ?

↑