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

The analysis of fluid motion becomes simplified by using

Question # 2

The rain drop falling from the sky reach the ground with

Question # 3

In a normal healthy person the value of systolic pressure is

Question # 4

When the velocity of a liquid flowing steadily in a tube increases, its pressure?

Question # 5

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

Question # 6

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 # 7

The internal pressure of the blood is

Question # 8

Fluid friction is _____ the friction between two solid surfaces:

Question # 9

If every particle of the flow that passes a particular point, moves along the same path as followed by particles which passed the point earlier, then this flow is said to be

Question # 10

Surface tension of water is reduced by adding

Question # 11

The body passing a viscous medium affected by:

Question # 12

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 # 13

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

Question # 14

A tube tapers from 20 cm diameter to 2 cm, the velocity at first cross-section is 50 ms-1then velocity at second cross-section is

Question # 15

The unit of viscosity is SI system is:

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 Matter is made up of very tiny particles called
A. Atoms
B. Molecules
C. Ions
D. None of these
2 The _____ viscous the medium is _____, is the value of terminal velocity of the droplet:
A. More, lesser
B. Lesser, more
C. Both A and B
D. Lesser, lesser
3 Blood pressure is measured by the instrument
A. stethoscope
B. sphygmomanometer
C. barometer
D. none of them
4 The equation of continuity is
A. A1A2 = V1V2
B. A1/V1 =A2/V2
C. V1/A1=V2/A2
D. A1V1 =A2V2
5 Which of the following options correctly states the equation of continuity for an ideal fluid?
A. A1A2= V1V2
B. A1/A2= V2/V1
C. A1/A2= V1/V2
D. none of the above
6 Pressure exerted by a gas on the walls of its container in due to
A. adhesion between the gas molecules and the container
B. cohesion between the gas molecules and the container
C. collision between the gas molecules and the container
D. surface tension of the gas
7 The blood pressure of a person
A. decrease with age
B. increase with age
C. has no effect with age
D. none of them
8 Surface tension of water is reduced by adding
A. Detergents
B. Camphor
C. Plastic
D. Both A and B
9 Blood is an
A. Compressible fluid
B. incompressible fluid
C. hard
D. none of them
10 The smooth or steady streamline flow is known as
A. laminar flow
B. turbulent flow
C. both of them
D. none of them

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