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

In a normal healthy person the value of diastolic pressure is

Question # 2

Fluid friction is _____ the friction between two solid surfaces:

Question # 3

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

Question # 4

Blood vessels can be stretch like rubber, therefore they are

Question # 5

Bernoulli's equation is based upon law of conversation of

Question # 6

Ball pen functions on the principle of

Question # 7

Liquids and gasses have

Question # 8

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

Question # 9

Bernoulli's equation is important in the field of

Question # 10

The mass of fluid passing through any cross-section per unit time is called

Question # 11

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

Question # 12

Surface tension of water is due to

Question # 13

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

Question # 14

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

Question # 15

According to Stoke's law, drag force depends on

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 The smooth or steady stream-line flow is know as
A. Laminar flow
B. Turbulent flow
C. Both a and b
D. None of the above
2 Viscosity is defined as
A. the friction between fluid and its container's walls
B. the internal friction between two layers of fluid
C. the resistance to flow a fluid experiences
D. the extent to which outside factors effect the fluid's flow
3 The _____ viscous the medium is _____, is the value of terminal velocity of the droplet:
A. More, lesser
B. Lesser, more
C. Both A and B
D. Lesser, lesser
4 Which of the following options correctly states the equation of continuity for an ideal fluid?
A. A1A2= V1V2
B. A1/A2= V2/V1
C. A1/A2= V1/V2
D. none of the above
5 In the case of an incompressible fluid in stead flow the net rate of flow of mass entering one end of the tube of flow is equal to the net rate of flow of mass leaving the other end. This equation is called
A. Quadratic equation
B. Equation of discontinuity
C. Equation of continuity
D. None of the above
6 The velocity of falling raindrop attains limited value because of
A. Up trust of air
B. Viscous force exerted by air
C. Surface tension effect
D. Air currents atmosphere
7 The rain drop falling from the sky reach the ground with
A. Constant terminal velocity
B. Constant gravitational acceleration
C. Variable acceleration
D. acceleration greater than g
8 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
9 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
10 A massive object falls through a fluid:
A. Faster
B. Slower
C. Slowest
D. None

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