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

Bernoulli's equation is important in the field of

Question # 2

The un-steady streamline flow is called

Question # 3

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

Question # 4

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

Question # 5

A body is floating in a liquid. The up thrust on the body is

Question # 6

The terminal velocity of a small size spherical body of radius R moving in a fluid varies as

Question # 7

The flow of an ideal fluid is

Question # 8

Density of fluid is defined as:

Question # 9

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

Question # 10

One torr is equal to

Question # 11

Which of the following has the greatest coefficient of viscosity?

Question # 12

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

Question # 13

The smooth or steady streamline flow is known as

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 The equation of continuity is
A. A1A2 = V1V2
B. A1/V1 =A2/V2
C. V1/A1=V2/A2
D. A1V1 =A2V2
2 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
3 The un-steady streamline flow is called
A. laminar flow
B. turbulent flow
C. both of them
D. none of them
4 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
5 The mass of fluid passing through any cross-section per unit time is called
A. electric flux
B. magnetic flux
C. mass flux
D. none of them
6 Fire fighters have jet attached to the head of their water pipes in order to
A. Increase the mass of water flowing per second
B. Increase the velocity of water flowing out
C. Increase the volume of water flowing per second
D. Avoid wastage of water
7 One torr is equal to
A. 13.33 N/m2
B. 760 N/m2
C. 760 mm Hg
D. 133.3 N/m2
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 The pressure will be low where the speed of the fluid is
A. Zero
B. High
C. Low
D. Constant
10 According to the equation of continuity, when water falls from the tap, it's speed increases and its cross-sectional area
A. decreases
B. increases
C. becomes zero
D. none of them

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