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

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

Question # 2

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

Question # 3

In Bernoulli's theorem the relation between velocity and pressure is

Question # 4

The _____ viscous the medium is _____, is the value of terminal velocity of the droplet:

Question # 5

When a water droplet falling freely through air, the drag force on water droplet increases with th

Question # 6

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

Question # 7

Surface tension of water is due to

Question # 8

The SI unit of viscosity is

Question # 9

A high concentration of red blood cells increases its viscosity from

Question # 10

The blood pressure of a person

Question # 11

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

Question # 12

The velocity of falling raindrops attains limited value because of

Question # 13

The flow of an ideal fluid is

Question # 14

In a surface tension experiment with a capillary tube water rises up to 0.1 m. if the same experiment is repeated on an artificial satellite, which is resolving around the earth, water will rise in the capillary tube up to a height of

Question # 15

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

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ECAT Class Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 Blood pressure is measured in torr. Which of the following units could belong to torr?
A. N m-1
B. N m-2
C. N m
D. N-1m-2
2 A massive object falls through a fluid:
A. Faster
B. Slower
C. Slowest
D. None
3 During the free fall motion of an object, when its weight becomes equal to the drag force, then it will move with
A. maximum speed
B. zero speed
C. maximum speed
D. none of them
4 The unit of viscosity is SI system is:
A. Kg-1m sec-1
B. Kgm-1 sec-1
C. Kg-1m-1 sec
D. None of these
5 In a normal healthy person the value of diastolic pressure is
A. 75 - 80 torr
B. 100 torr
C. 120 torr
D. none of them
6 The internal pressure of the blood is
A. less than the external atmospheric pressure
B. greater than the external atmospheric pressure
C. equal to the external atmosphericpressure
D. none of them
7 According to the equation of continuity, when water falls from the tap, it's speed increases and its cross-sectional area
A. decreases
B. increases
C. becomes zero
D. none of them
8 The application of Bernoulli's equation is
A. Torricelli's theorem
B. Venture relation
C. Binomial theorem
D. Both a and b
9 The un-steady streamline flow is called
A. laminar flow
B. turbulent flow
C. both of them
D. none of them
10 Density of fluid is defined as:
A. Its volume to mass ratio
B. Product of volume and mass
C. Its mass of volume ratio
D. None of these

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