ECAT Pre General Science Physics Chapter 6 Fluid Dynamics Online Test

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  • Chapter NameCh 6 - Fluid Dynamics
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ECAT Pre General Science Physics Chapter 6 Fluid Dynamics Online Test

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ECAT Pre General Science Physics Chapter 6 Fluid Dynamics Online Test

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Question # 1

The dimensions of viscosity are:

Question # 2

The mass of fluid passing through any cross-section per unit time is called

Question # 3

Fire fighters have jet attached to the head of their water pipes in order to

Question # 4

Density of fluid is defined as:

Question # 5

The analysis of fluid motion becomes simplified by using

Question # 6

Fire fighters have a jet attached to the head of their water pipes in order to head of their water pipes in order to

Question # 7

The law of conservation of mass gives us the

Question # 8

Two water pipes of diameters 4 cm and 8 cm are connected with a supply line. The velocity of flow of water in the pipe 4 cm diameter is

Question # 9

At high altitude the blood oozes out of the nose and ear because

Question # 10

Surface tension of water is reduced by adding

Question # 11

Drag force increases if speed of the object moving through the fluid:

Question # 12

When there is no internal frictional forces between the adjacent layers of fluid, then the fluid is called

Question # 13

Which of the following has the greatest coefficient of viscosity?

Question # 14

A person standing near the track of a fast moving train has tendency to fall towards it because of

Question # 15

Ball pen functions on the principle of

Question # 16

Bernoulli's equation is based upon law of conservation

Question # 17

Substances that flow easily have

Question # 18

Bernoulli's equation is based upon law of conversation of

Question # 19

The SI unit of viscosity is

Question # 20

The resistance offered by a fluid to a solid moving inside it is called:

Question # 21

When the speed of a body in a fluid increases then the drag force

Question # 22

Which of the following options correctly states the equation of continuity for an ideal fluid?

Question # 23

Pressure exerted by a gas on the walls of its container in due to

Question # 24

The study of fluid in motion basically involves law of conservation of:

Question # 25

One torr is equal to

Question # 26

Bernoulli's equation is applicable for

Question # 27

During the free fall motion of an object, when its weight becomes equal to the drag force, then it will move with

Question # 28

According to the equation of continuity, when water falls from the tap, it's speed increases and its cross-sectional area

Question # 29

Under normal circumstances, the volume of blood is sufficient to keep the vessels

Question # 30

If the flow is incompressible and the flow is steady then the mass of the fluid through the pipe

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