ECAT Pre Computer Science Chapter 6 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 6 Fluid Dynamics

Try The MCQ's Test For ECAT Physics Chapter 6 Fluid Dynamics

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ECAT Physics Chapter 6 Fluid Dynamics

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Question # 1

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 # 2

The blood pressure of a person

Question # 3

A body is moving through a viscous medium eventually comes to rest because of:

Question # 4

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

Question # 5

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

Question # 6

The term Brownian movement refers to

Question # 7

A high concentration of red blood cells increases its viscosity from

Question # 8

Glycerin has viscosity _____ the viscosity of water:

Question # 9

The analysis of fluid motion becomes simplified by using

Question # 10

At high speed, fluid friction _____ and fuel consumption ___,:

Question # 11

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

Question # 12

A massive object falls through a fluid:

Question # 13

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

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 Fire fighters have a jet attached to the head of their water pipes in order to head of their water pipes in order to
A. Increase the mass of water flowing per second
B. Avoid wastage of water
C. Increase the velocity of water flowing out
D. Increase the volume of water flowing per second
2 Substances that flow easily have
A. large coefficient of viscosity
B. small coefficient of viscosity
C. either of them
D. none of them
3 The electrical forces between the molecules of a liquid are
A. Repulsive
B. Attractive
C. Both A and B
D. None
4 Bernoulli's equation is important in the field of
A. Electrical circuit
B. Magnetism
C. Photoelectric effect
D. Flow of fluids
5 The irregular and unsteady flow of the fluid is called
A. turbulent flow
B. steady flow
C. either of them
D. both of them
6 A device used to measure the speed of liquid flow is known as
A. barometer
B. speedometer
C. sphygmomanometer
D. venture-meter
7 At low speeds, the drag force is
A. proportional to speed
B. inversely proportional to speed
C. not simply proportional to speed
D. none of them
8 Blood has a density
A. Equal to water
B. Greater then water
C. Lesser then water
D. None of these
9 The smooth or steady streamline flow is known as
A. laminar flow
B. turbulent flow
C. both of them
D. none of them
10 How much force is required to slide one layer of the liquid over the other layer is measured by
A. friction
B. density
C. viscosity
D. resistivity

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