ECAT Pre Engineering Physics Chapter 6 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 6 Fluid Dynamics

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

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Physics ECAT Pre Engineering Chapter 6 Fluid Dynamics

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Question # 1

Matter is made up of very tiny particles called

Question # 2

Which of the following options states the names of fluids in the order of increasing viscosity?

Question # 3

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

Question # 4

Surface tension of water is reduced by adding

Question # 5

Ball pen functions on the principle of

Question # 6

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

Question # 7

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

Question # 8

Fluid friction is _____ the friction between two solid surfaces:

Question # 9

The density of water is 103kg/m3. The water pressure on a submarine is 2.0 x 107N/m2. The depth of the submarine below the surface of the water, in maters, is approximately

Question # 10

Under normal circumstances, the volume of blood is sufficient to keep the vessels

Question # 11

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

Question # 12

In a container having water filled up to a height h, a hole is made in the bottom. The velocity of water flowing out of the hole is

Question # 13

Liquids and gasses have

Question # 14

The law of conservation of energy gives us

Question # 15

When the speed of a body in a fluid increases then the drag force

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 The maximum drag force on a falling sphere is 9.8 N, it weight is
A. 1 N
B. 9.8 N
C. 4.9 N
D. Cannot be calculated
2 What is another name for laminar flow?
A. streamline
B. unsteady flow
C. turbulent flow
D. both (a) and (b)
3 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
A. 0.1 m
B. 0.2 m
C. 0.98 m
D. Full length of the capillary tube
4 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
5 Bernoulli's equation is important in the field of
A. Electrical circuit
B. Magnetism
C. Photoelectric effect
D. Flow of fluids
6 A body is moving through a viscous medium eventually comes to rest because of:
A. Force of gravity
B. Force of friction
C. Its weight
D. Both A and C
7 Matter is made up of very tiny particles called
A. Atoms
B. Molecules
C. Ions
D. None of these
8 Surface tension of water is due to
A. Inter molecular attractions
B. Inter molecular spaces
C. Inter molecular repulsion
D. None of above
9 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
10 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

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