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

Blood has a density

Question # 2

Stock's law holds for:

Question # 3

Internal friction of fluid is called

Question # 4

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

Question # 5

What is another name for laminar flow?

Question # 6

A flowing liquid possess

Question # 7

A container has a small hole in the bottom. Air can go through this hole,but water cannot. This can be best explained by the statement that

Question # 8

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

Question # 9

N s m-2is unit of:

Question # 10

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

Question # 11

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

Question # 12

The body passing a viscous medium affected by:

Question # 13

In a _____ flow, each particle of the fluid is called a streamline and different streamlines ______cross each other.

Question # 14

At the starting point of the free fall motion of an object, its acceleration will be

Question # 15

0.10 cm can be written as:

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 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
2 Which of the following is a characteristic of an ideal fluid?
A. it is non-viscous
B. it is incompressible
C. it's motion is steady
D. all of the above
3 An object moving through a fluid experiences a retarding force called a
A. frictional force
B. terminal force
C. opposing force
D. drag force
4 In a _____ flow, each particle of the fluid is called a streamline and different streamlines ______cross each other.
A. Streamline, cannot
B. Turbulent, cannot
C. Streamline, can
D. None of these
5 Blood has a density
A. Equal to water
B. Greater then water
C. Lesser then water
D. None of these
6 One torr is equal to
A. 13.33 N/m2
B. 760 N/m2
C. 760 mm Hg
D. 133.3 N/m2
7 The term Brownian movement refers to
A. irregular motions of small particles suspended in a fluid
B. convection currents in a liquid or gas
C. convection currents in a gas but not in a liquid
D. the stretching of a body beyond its elastic limit
8 Glycerin has viscosity _____ the viscosity of water:
A. More than
B. Equal to
C. Less than
D. None of these
9 According to Stoke's law, drag force depends on
A. Initial velocity
B. Final velocity
C. Terminal velocity
D. Instantaneous velocity
10 Drag force increases if speed of the object moving through the fluid:
A. Increases
B. Decreases
C. Remains constant
D. None of these

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