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

A massive object falls through a fluid:

Question # 2

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

Question # 3

One torr is equal to

Question # 4

The term Brownian movement refers to

Question # 5

A high concentration of red blood cells increases its viscosity from

Question # 6

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

Question # 7

With increase of temperature, the viscosity of liquid and gases

Question # 8

The pressure will change in the pipe, as the fluid moves through that pipe of varying

Question # 9

The blood pressure of a person

Question # 10

Liquids and gasses have

Question # 11

Substances that flow easily have

Question # 12

According to the equation of continuity, when water falls from the tap, it's speed increases and its cross-sectional area

Question # 13

Blood is an

Question # 14

What is another name for laminar flow?

Question # 15

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

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 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
2 The pressure will be low where the speed of the fluid is
A. Zero
B. High
C. Low
D. Constant
3 When the velocity of a liquid flowing steadily in a tube increases, its pressure?
A. Decreases
B. Increases
C. Remains same
D. Zero
4 Machine parts are jammed due to:
A. Increasing in viscosity of lubricant
B. Decreasing in viscosity of lubricant
C. Decreasing in surface tension of lubricant
D. None of these
5 When a fluid is in motion, its flow can be considered as
A. turbulent
B. streamline
C. either or them
D. neither of them
6 A body is moving through a viscous medium eventually comes to rest because of:
A. Force of gravity
B. Force of friction
C. Its weight
D. Both A and C
7 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
8 In a surface tension experiment with a capillary tube water rises up to 0.1 m. if the same experiment is repeated on an artificial satellite, which is resolving around the earth, water will rise in the capillary tube up to a height of
A. 0.1 m
B. 0.2 m
C. 0.98 m
D. Full length of the capillary tube
9 In Bernoulli's theorem the relation between velocity and pressure is
A. Inverse
B. Direct
C. None of the above
D. Both a and b
10 A body is floating in a liquid. The up thrust on the body is
A. Equal to weight of liquid displaced
B. Zero
C. Less than the weight of liquid displaced
D. Weight of body-weight of liquid displaced

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