ECAT Pre Engineering Physics Chapter 6 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 6 Fluid Dynamics

Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 6 Fluid Dynamics

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Physics ECAT Pre Engineering Chapter 6 Fluid Dynamics

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Question # 1

Machine parts are jammed due to:

Question # 2

Bernoulli's equation is applicable for

Question # 3

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

Question # 4

The analysis of fluid motion becomes simplified by using

Question # 5

Drag force increases if speed of the object moving through the fluid:

Question # 6

The fluid is incompressible, if itsdensity is

Question # 7

Surface tension of water is reduced by adding

Question # 8

What are the SI base units of the coefficient of viscosity

Question # 9

Blood pressure is measured by the instrument

Question # 10

The body will move with terminal velocity when it acquires

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

Where the streamlines are very close to each other, the pressure will be

Question # 15

In a normal healthy person the value of diastolic pressure is

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 Blood pressure is measured in torr. Which of the following units could belong to torr?
A. N m-1
B. N m-2
C. N m
D. N-1m-2
2 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
3 The irregular and unsteady flow of the fluid is called
A. turbulent flow
B. steady flow
C. either of them
D. both of them
4 The velocity of falling raindrops attains limited value because of
A. Up thrust of air
B. Air currents of the earth atmosphere
C. Surface tension effect
D. Viscous force exerted by air
5 Stock's law holds for:
A. Motion through free space
B. Motion through viscous medium
C. Bodies of all shapes
D. None of these
6 With increase of temperature, the viscosity of liquid and gases
A. Increases for both
B. Decreases for both
C. Increases for liquids and decreases for gases
D. Decreases for liquids and increases for gases
7 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
8 The smooth or steady streamline flow is known as
A. laminar flow
B. turbulent flow
C. both of them
D. none of them
9 One torr is equal to
A. 13.33 N/m2
B. 760 N/m2
C. 760 mm Hg
D. 133.3 N/m2
10 When each particle of the fluid moves along a smoth path, this path is known as
A. straight path
B. smooth path
C. haphazard path
D. steamline

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