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

Blood has a density

Question # 2

High speed meteors rushing through air reduces to ashes because of:

Question # 3

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

Question # 4

Ball pen functions on the principle of

Question # 5

The velocity of falling raindrop attains limited value because of

Question # 6

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

Question # 7

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

Question # 8

Blood pressure is measured by the instrument

Question # 9

The term Brownian movement refers to

Question # 10

Internal friction of fluid is called

Question # 11

The unit of viscosity is SI system is:

Question # 12

The maximum drag force on a falling sphere is 9.8 N, it weight is

Question # 13

The dimensions of viscosity are:

Question # 14

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

Question # 15

At the starting point of the free fall motion of an object, its acceleration will be

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 Matter is made up of very tiny particles called
A. Atoms
B. Molecules
C. Ions
D. None of these
2 Fluid friction is _____ the friction between two solid surfaces:
A. Greater than
B. Smaller than
C. Equal to
D. None of these
3 Above a certain velocity of a fluid is called
A. turbulent flow
B. steady flow
C. either of them
D. both of them
4 The velocity of falling raindrops attains limited value because of
A. Up thrust of air
B. Air currents of the earth atmosphere
C. Surface tension effect
D. Viscous force exerted by air
5 The product of cross-sectional area of the pipe and the fluid speed at any point along the pipe is called
A. constant rate
B. volume rate
C. flow rate
D. steady rate
6 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
7 When each particle of the fluid moves along a smoth path, this path is known as
A. straight path
B. smooth path
C. haphazard path
D. steamline
8 The analysis of fluid motion becomes simplified by using
A. law of conservation
B. law of conservation of energy
C. both of them
D. none of them
9 Pressure exerted by a gas on the walls of its container in due to
A. adhesion between the gas molecules and the container
B. cohesion between the gas molecules and the container
C. collision between the gas molecules and the container
D. surface tension of the gas
10 The value for systolic blood pressure for a normal healthy person is
A. 140 torr
B. 80 torr
C. 90 torr
D. 120 torr

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