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

Pressure exerted by a gas on the walls of its container in due to

Question # 2

Rate of flow can be expressed in

Question # 3

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

Question # 4

Bernoulli's equation is based upon law of conservation

Question # 5

The product of cross-sectional area of the pipe and the fluid speed at any point along the pipe is called

Question # 6

Bernoulli's equation is applicable for

Question # 7

The smooth or steady streamline flow is known as

Question # 8

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

Question # 9

N s m-2is unit of:

Question # 10

The blood pressure of a person

Question # 11

During the steady flow, different streamlines

Question # 12

During the free fall motion of an object, when its weight becomes equal to the drag force, then it will move with

Question # 13

In a container having water filled up to a height h, a hole is made in the bottom. The velocity of water flowing out of the hole is

Question # 14

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 # 15

At high speed, fluid friction _____ and fuel consumption ___,:

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 When a fluid is in motion, its flow can be considered as
A. turbulent
B. streamline
C. either or them
D. neither of them
2 Blood has a density
A. Equal to water
B. Greater then water
C. Lesser then water
D. None of these
3 The velocity gained by the fluid in falling through the distance (h1 - h2) under the action of gravity is equal to the speed of the action of gravity is equal to the speed of the
A. orifices
B. efflux
C. fluid
D. none of them
4 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
5 Matter is made up of very tiny particles called
A. Atoms
B. Molecules
C. Ions
D. None of these
6 The terminal velocity of a small size spherical body of radius R moving in a fluid varies as
A. R
B. R2
C. 1/R
D. (1/R)2
7 The resistance offered by a fluid to a solid moving inside it is called:
A. Drag force
B. Surface force
C. Viscosity
D. None of these
8 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
9 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
10 Bernoulli's equation is important in the field of
A. Electrical circuit
B. Magnetism
C. Photoelectric effect
D. Flow of fluids

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