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

According to Stoke's law, drag force depends on

Question # 2

Blood pressure is measured by the instrument

Question # 3

According to the Bernoulli's equation, where the speed of the fluid is high, the pressure will be

Question # 4

The effect of friction between different layers of a flowing fluid is described in terms of

Question # 5

At high altitude the blood oozes out of the nose and ear because

Question # 6

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

Question # 7

The law of conservation of energy gives us

Question # 8

The velocity of falling raindrop attains limited value because of

Question # 9

The _____ viscous the medium is _____, is the value of terminal velocity of the droplet:

Question # 10

Surface tension of water is due to

Question # 11

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

Question # 12

The body will move with terminal velocity when it acquires

Question # 13

The direction of the streamlines is the same as the direction of the

Question # 14

The equation of continuity
A1V1= A2V2is for the flow of

Question # 15

Fog droplets are suspended in air when their weight is balanced by:

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 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
2 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
3 Matter is made up of very tiny particles called
A. Atoms
B. Molecules
C. Ions
D. None of these
4 Fire fighters have jet attached to the head of their water pipes in order to
A. Increase the mass of water flowing per second
B. Increase the velocity of water flowing out
C. Increase the volume of water flowing per second
D. Avoid wastage of water
5 At the starting point of the free fall motion of an object, its acceleration will be
A. maximum
B. minimum
C. zero
D. none of them
6 The fluid is incompressible, if itsdensity is
A. zero
B. constant
C. very high
D. very small
7 Ball pen functions on the principle of
A. Viscosity
B. Boyle's law
C. Gravitational force
D. Surface tnesion
8 Which of the following has the greatest coefficient of viscosity?
A. water
B. gasoline
C. honey
D. tar
9 Unit of viscosity is:
A. Kg m-1sec-1
B. N s m-2
C. J s m-3
D. All of these
10 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

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