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

The velocity of falling raindrop attains limited value because of

Question # 2

Machine parts are jammed due to:

Question # 3

The irregular and unsteady flow of the fluid is called

Question # 4

The density of blood is nearly equal to that of

Question # 5

The flow of an ideal fluid is

Question # 6

Where the streamlines are very far apart from each other, the pressure will be

Question # 7

The analysis of fluid motion becomes simplified by using

Question # 8

When a water droplet falls through air, the net force on it is

Question # 9

The smooth or steady stream-line flow is know as

Question # 10

A flowing liquid possess

Question # 11

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

Question # 12

In deriving the Bernoulli's equation, we assume that the fluid is

Question # 13

At low speeds, the drag force is

Question # 14

Above a certain velocity of a fluid is called

Question # 15

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

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ECAT Class Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 Bernoulli's equation is based upon law of conversation
A. Mass
B. Momentum
C. Energy
D. None of these
2 In deriving the Bernoulli's equation, we assume that the fluid is
A. incompressible
B. no viscous
C. flows in a steady manner
D. all of them
3 Substances that flow easily have
A. large coefficient of viscosity
B. small coefficient of viscosity
C. either of them
D. none of them
4 In case of streamed lined flow of liquid, the loss of energy is
A. Maximum
B. Minimum
C. Infinite
D. equal to what is in turbulent flow
5 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
6 The study of fluid in motion basically involves law of conservation of:
A. Mass
B. Energy
C. Change
D. Both A and C
7 Deep water almost runs still when surface water flow in rivers. What does it explains
A. Magnus effect
B. Equation of continuity
C. Surface energy
D. Bernoulli's equation
8 Terminal velocity is the maximum velocity attained by a spherical droplet when the drag force______the weight of droplet:
A. Is smaller than
B. Is greater than
C. Becomes equal to
D. None of these
9 A fluid at a certain point has 50 J of potential energy per unit volume, 75 J of kinetic energy per unit volume,and 35 J of pressure energy per unit volume. the total energy of the fluid is
A. 125 J
B. 90 J
C. 160 J
D. 85 J
10 The instrument which detects the instant at which external pressure becomes equal to the systolic pressure is
A. stethoscope
B. thermometer
C. manometer
D. barometer

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