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

The application of Bernoulli's equation is

Question # 2

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

Question # 3

Bernoulli's equation is the fundamental equation in fluid dynamics, which relates pressure to fluid

Question # 4

Terminal velocity is the maximum velocity attained by a spherical droplet when the drag force______the weight of droplet:

Question # 5

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

Question # 6

The irregular and unsteady flow of the fluid is called

Question # 7

The dimensions of viscosity are:

Question # 8

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

Question # 9

The analysis of fluid motion becomes simplified by using

Question # 10

A device used to measure the speed of liquid flow is known as

Question # 11

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

Question # 12

When a fluid is in motion, its flow can be considered as

Question # 13

Ball pen functions on the principle of

Question # 14

A flowing liquid possess

Question # 15

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

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 Fog droplets are suspended in air when their weight is balanced by:
A. Force of gravity
B. Upward trust due to air
C. Surface tension
D. None of these
2 0.10 cm can be written as:
A. 1.0 x 10-2m
B. 1.0 x 10-3cm
C. 1.0 x 10-4cm
D. 1. x 10-4m
3 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
4 The force exerted by the fluid in a hydraulic pump on the piston is 10 cm2, the fluid pressure on the piston is, in N/cm2
A. 20
B. 200
C. 2000
D. 20,000
5 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
6 A massive object falls through a fluid:
A. Faster
B. Slower
C. Slowest
D. None
7 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
8 Bernoulli's equation is important in the field of
A. Electrical circuit
B. Magnetism
C. Photoelectric effect
D. Flow of fluids
9 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
10 If v is the velocity of flow of liquid through a tube of area of cross-section A, then according to equation of continuity
A. v/A = constant
B. A/v = constant
C. Av = constant
D. None

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