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

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

Question # 2

A flowing liquid possess

Question # 3

Which of the following is a characteristic of an ideal fluid?

Question # 4

The velocity of falling raindrop attains limited value because of

Question # 5

According to the Bernoulli's equation, where the speed of the fluid is high, the pressure will be

Question # 6

The un-steady streamline flow is called

Question # 7

Ball pen functions on the principle of

Question # 8

In deriving the Bernoulli's equation, we assume that the fluid is

Question # 9

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

Question # 10

The body will move with terminal velocity when it acquires

Question # 11

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

Question # 12

The pressure will change in the pipe, as the fluid moves through that pipe of varying

Question # 13

Viscosity of water is ______ that of air but ___ that of plasma.

Question # 14

When the velocity of a liquid flowing steadily in a tube increases, its pressure?

Question # 15

During the steady flow, different streamlines

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 Substances that flow easily have
A. large coefficient of viscosity
B. small coefficient of viscosity
C. either of them
D. none of them
2 Fire fighters have jet attached to the head of their water pipes in order to
A. Increase the mass of water flowing per second
B. Increase the velocity of water flowing out
C. Increase the volume of water flowing per second
D. Avoid wastage of water
3 When the speed of a body in a fluid increases then the drag force
A. decreases
B. becomes zero
C. increases
D. non of them
4 During the steady flow, different streamlines
A. cannot across each other
B. can across each other
C. either of them
D. neither of them
5 The value for systolic blood pressure for a normal healthy person is
A. 140 torr
B. 80 torr
C. 90 torr
D. 120 torr
6 Liquids and gasses have
A. zero viscosity
B. non-zero viscosity
C. very large viscosity
D. very small viscosity
7 A device used to measure the speed of liquid flow is known as
A. barometer
B. speedometer
C. sphygmomanometer
D. venture-meter
8 Which of the following is a characteristic of an ideal fluid?
A. it is non-viscous
B. it is incompressible
C. it's motion is steady
D. all of the above
9 If v is the velocity of flow of liquid through a tube of area of cross-section A, then according to equation of continuity
A. v/A = constant
B. A/v = constant
C. Av = constant
D. None
10 The dimensions of viscosity are:
A. M2L-1T-2
B. M-1L1T-1
C. M-1L-1T
D. ML-1T-1

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