ECAT Pre General Science Physics Chapter 6 MCQ Test With Answer for Physics chapter 6 (Fluid Dynamics)

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MCQ's Test For ECAT Pre General Science Physics Chapter 6 Fluid Dynamics Online Test

Try The MCQ's Test For 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

According to the Bernoulli's theorem the pressure velocity are

Question # 2

Deep water almost runs still when surface water flow in rivers. What does it explains

Question # 3

Rate of flow can be expressed in

Question # 4

The direction of the streamlines is the same as the direction of the

Question # 5

When the upward drag force of the fluid becomes equal to downward force of gravity of the droplet, then its velocity:

Question # 6

The velocity of falling raindrop attains limited value because of

Question # 7

How much force is required to slide one layer of the liquid over the other layer is measured by

Question # 8

Terminal velocity is the maximum velocity attained by a spherical droplet when the drag force______the weight of droplet:

Question # 9

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

Question # 10

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 # 11

The smooth or steady stream-line flow is know as

Question # 12

What are the SI base units of the coefficient of viscosity

Question # 13

When each particle of the fluid moves along a smoth path, this path is known as

Question # 14

If one of the pipes has a much smaller diameter than the other and are placed horizontally then form both sides of Bernoulli's equation, we can drop the term

Question # 15

A tube tapers from 20 cm diameter to 2 cm, the velocity at first cross-section is 50 ms-1then velocity at second cross-section is

Question # 16

When a water droplet falls through air, the net force on it is

Question # 17

The unit of viscosity is SI system is:

Question # 18

A tube is tapered from 20 cm diameter to 2 cm diameter, the velocity at the first cross-section is 50 cm/s, then the velocity at the second cross-section is

Question # 19

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

Question # 20

Blood pressure is measured in torr. Which of the following units could belong to torr?

Question # 21

Liquids and gasses have

Question # 22

If v is the velocity of flow of liquid through a tube of area of cross-section A, then according to equation of continuity

Question # 23

The internal pressure of the blood is

Question # 24

A massive object falls through a fluid:

Question # 25

Glycerin has viscosity _____ the viscosity of water:

Question # 26

The product of cross-sectional area of the pipe and the fluid speed at any point along the pipe is called

Question # 27

Unit of viscosity is:

Question # 28

The body will move with terminal velocity when it acquires

Question # 29

The term Brownian movement refers to

Question # 30

During the steady flow, different streamlines

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