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 instrument which detects the instant at which external pressure becomes equal to the systolic pressure is

Question # 2

According to slok's law, drag force depends on

Question # 3

The equation of continuity is

Question # 4

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

Question # 5

Bernoulli's equation is applicable for

Question # 6

Liquids and gasses have

Question # 7

In case of streamed lined flow of liquid, the loss of energy is

Question # 8

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

Question # 9

The velocity gained by the fluid in falling through the distance (h1 - h2) under the action of gravity is equal to the speed of the action of gravity is equal to the speed of the

Question # 10

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

Question # 11

The fluid is incompressible, if itsdensity is

Question # 12

The smooth or steady stream-line flow is know as

Question # 13

The application of Bernoulli's equation is

Question # 14

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

Question # 15

The density of blood is nearly equal to that of

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 Bernoulli's equation is based upon law of conversation of
A. mass
B. momentum
C. Energy
D. None
2 Surface tension of water is reduced by adding
A. Detergents
B. Camphor
C. Plastic
D. Both A and B
3 The velocity gained by the fluid in falling through the distance (h1 - h2) under the action of gravity is equal to the speed of the action of gravity is equal to the speed of the
A. orifices
B. efflux
C. fluid
D. none of them
4 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
5 The law of conservation of energy gives us
A. equation of continuity
B. Bernoulli's theorem
C. both of them
D. none of them
6 When there is no internal frictional forces between the adjacent layers of fluid, then the fluid is called
A. incompressible
B. compressible
C. viscous
D. non viscous
7 Surface tension of water is due to
A. Inter molecular attractions
B. Inter molecular spaces
C. Inter molecular repulsion
D. None of above
8 The study of fluid in motion basically involves law of conservation of:
A. Mass
B. Energy
C. Change
D. Both A and C
9 The resistance offered by a fluid to a solid moving inside it is called:
A. Drag force
B. Surface force
C. Viscosity
D. None of these
10 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

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