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 flow of an ideal fluid is

Question # 2

A massive object falls through a fluid:

Question # 3

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

Question # 4

Which of the following options correctly states the equation of continuity for an ideal fluid?

Question # 5

The term Brownian movement refers to

Question # 6

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 # 7

Which of the following is a characteristic of an ideal fluid?

Question # 8

When weight of an object falling freely becomes equal to the drag force, then the body will move with

Question # 9

Blood has a density

Question # 10

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 # 11

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

Question # 12

Viscosity of water is ______ that of air but ___ that of plasma.

Question # 13

Bernoulli's equation is based upon law of conservation

Question # 14

Blood pressure is measured in torr. Which of the following units could belong to torr?

Question # 15

The blood pressure of a person

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 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
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 When the droplet moves with terminal velocity in a fluid, the net force acting on the droplet is:
A. FD-mg
B. Zero
C. mg-FD
D. None of these
4 A massive object falls through a fluid:
A. Faster
B. Slower
C. Slowest
D. None
5 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
6 Bernoulli's equation is based upon law of conservation
A. Mass
B. Momentum
C. Energy
D. None of these
7 The maximum drag force on a falling sphere is 9.8 N, it weight is
A. 1 N
B. 9.8 N
C. 4.9 N
D. Cannot be calculated
8 The property of fluids due to which they resist their own flow is called:
A. Drag force
B. Surface tension
C. Viscosity
D. None of these
9 Under normal circumstances, the volume of blood is sufficient to keep the vessels
A. flatted for all times
B. inflated for all times
C. inflated for small times
D. none of them
10 When weight of an object falling freely becomes equal to the drag force, then the body will move with
A. increasing speed
B. decreasing speed
C. constant speed
D. none of them

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