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

Which of the following has the greatest coefficient of viscosity?

Question # 2

According to slok's law, drag force depends on

Question # 3

The velocity of falling raindrop attains limited value because of

Question # 4

The body will move with terminal velocity when it acquires

Question # 5

The smooth or steady stream-line flow is know as

Question # 6

Where the streamlines are very close to each other, the pressure will be

Question # 7

According to the Bernoulli's theorem the pressure velocity are

Question # 8

The dimensions of viscosity are:

Question # 9

The electrical forces between the molecules of a liquid are

Question # 10

Internal friction of fluid is called

Question # 11

Blood vessels can be stretch like rubber, therefore they are

Question # 12

According to Stoke's law, drag force depends on

Question # 13

N s m-2is unit of:

Question # 14

The property of fluids due to which they resist their own flow is called:

Question # 15

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

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 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
2 Stock's law holds for:
A. Motion through free space
B. Motion through viscous medium
C. Bodies of all shapes
D. None of these
3 Blood is an
A. Compressible fluid
B. incompressible fluid
C. hard
D. none of them
4 When the different streamlines cannot cross each other, then this condition is known as
A. continuity condition
B. turbulent flow condition
C. steady flow condition
D. none of them
5 An object moving through a fluid experiences a retarding force called a
A. frictional force
B. terminal force
C. opposing force
D. drag force
6 Blood pressure is measured in torr. Which of the following units could belong to torr?
A. N m-1
B. N m-2
C. N m
D. N-1m-2
7 According to the equation of continuity, when water falls from the tap, it's speed increases and its cross-sectional area
A. decreases
B. increases
C. becomes zero
D. none of them
8 Blood has a density
A. Equal to water
B. Greater then water
C. Lesser then water
D. None of these
9 During the free fall motion of an object, when its weight becomes equal to the drag force, then it will move with
A. maximum speed
B. zero speed
C. maximum speed
D. none of them
10 The effect of friction between different layers of a flowing fluid is described in terms of
A. motion of fluid
B. nature of fluid
C. colour of fluid
D. viscosity of fluid

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