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

Above a certain velocity of a fluid is called

Question # 2

When the different streamlines cannot cross each other, then this condition is known as

Question # 3

The velocity of falling raindrops attains limited value because of

Question # 4

Fluid A is more viscous than fluid B. While flowing through a pipe of the same dimensions and material which fluid takes longer to travel at 25°C?

Question # 5

The irregular and unsteady flow of the fluid is called

Question # 6

A high concentration of red blood cells increases its viscosity from

Question # 7

In a normal healthy person the value of systolic pressure is

Question # 8

When each particle of the fluid moves along a smoth path, this path is known as

Question # 9

When a water droplet falling freely through air, the drag force on water droplet increases with th

Question # 10

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

Question # 11

A body is moving through a viscous medium eventually comes to rest because of:

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 case of streamed lined flow of liquid, the loss of energy is

Question # 14

The resistance offered by a fluid to a solid moving inside it is called:

Question # 15

Surface tension of water is due to

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 The law of conservation of energy gives us
A. equation of continuity
B. Bernoulli's theorem
C. both of them
D. none of them
2 Rate of flow can be expressed in
A. litre/sec
B. litre-sec
C. sec/litre
D. sec/litre-m
3 The electrical forces between the molecules of a liquid are
A. Repulsive
B. Attractive
C. Both A and B
D. None
4 The application of Bernoulli's equation is
A. Torricelli's theorem
B. Venture relation
C. Binomial theorem
D. Both a and b
5 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
6 A person standing near the track of a fast moving train has tendency to fall towards it because of
A. Vibration due to motion of train
B. Gravitation force of attraction between person and trains
C. The high speed of train
D. Some other effect
7 Fluids have three types of energies. The Bernoulli's equation combines those energies.which of the following is one of the three enrgies possessed by a fluid?
A. potential energy
B. pressure energy
C. strain energy
D. (a) and (b) only
8 The study of fluid in motion basically involves law of conservation of:
A. Mass
B. Energy
C. Change
D. Both A and C
9 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
10 A flowing liquid possess
A. K.E
B. P.E
C. Pressure Energy
D. All

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