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

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

Question # 2

Drag force increases if speed of the object moving through the fluid:

Question # 3

Bernoulli's equation is based upon law of conversation

Question # 4

Fluids resist force, This property is called

Question # 5

Blood vessels can be stretch like rubber, therefore they are

Question # 6

The rain drop falling from the sky reach the ground with

Question # 7

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

Question # 8

Internal friction of fluid is called

Question # 9

Matter is made up of very tiny particles called

Question # 10

Liquids and gasses have

Question # 11

According to the Bernoulli's theorem the pressure velocity are

Question # 12

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

Question # 13

Fluid friction is _____ the friction between two solid surfaces:

Question # 14

According to slok's law, drag force depends on

Question # 15

The fluid which is incompressible and non viscous is called

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 Stock's law holds for:
A. Motion through free space
B. Motion through viscous medium
C. Bodies of all shapes
D. None of these
2 The value of viscosity of a fluid is dependent on (at constant temperature)
A. the fluid itself
B. the fluid and its container
C. anything in contact with the fluid
D. all of the above
3 At high speed, fluid friction _____ and fuel consumption ___,:
A. Increases, decreases
B. Increases, increases
C. Decreases, increases
D. None of these
4 Unit of viscosity is:
A. Kg m-1sec-1
B. N s m-2
C. J s m-3
D. All of these
5 If one of the pipes has a much smaller diameter than the other and are placed horizontally then form both sides of Bernoulli's equation, we can drop the term
A. P
B. 1/2 fv2
C. pgh
D. none of them
6 The SI unit of viscosity is
A. kg m-1s-1
B. kg ms-1
C. kg m-1s-2
D. kg m-1s
7 The blood pressure of a person
A. decrease with age
B. increase with age
C. has no effect with age
D. none of them
8 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
9 The application of Bernoulli's equation is
A. Torricelli's theorem
B. Venture relation
C. Binomial theorem
D. Both a and b
10 A massive object falls through a fluid:
A. Faster
B. Slower
C. Slowest
D. None

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