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

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

Question # 2

N s m-2is unit of:

Question # 3

Fluids resist force, This property is called

Question # 4

With the increase of temperature viscosity

Question # 5

Liquids and gasses have

Question # 6

In case of streamed lined flow of liquid, the loss of energy is

Question # 7

Density of fluid is defined as:

Question # 8

Matter is made up of very tiny particles called

Question # 9

The product of cross-sectional area of the pipe and the fluid speed at any point along the pipe is called

Question # 10

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

Question # 11

The density of blood is nearly equal to that of

Question # 12

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

Question # 13

The value for systolic blood pressure for a normal healthy person is

Question # 14

Blood vessels can be stretch like rubber, therefore they are

Question # 15

Blood has a density

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 The smooth or steady streamline flow is known as
A. laminar flow
B. turbulent flow
C. both of them
D. none of them
2 The equation of continuity is
A. A1A2 = V1V2
B. A1/V1 =A2/V2
C. V1/A1=V2/A2
D. A1V1 =A2V2
3 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
4 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
5 The fluid which is incompressible and non viscous is called
A. Ideal fluid
B. Non-ideal fluid
C. Prefect fluid
D. All
6 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
7 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
8 The resistance offered by a fluid to a solid moving inside it is called:
A. Drag force
B. Surface force
C. Viscosity
D. None of these
9 Fluid friction is _____ the friction between two solid surfaces:
A. Greater than
B. Smaller than
C. Equal to
D. None of these
10 The density of water is 103kg/m3. The water pressure on a submarine is 2.0 x 107N/m2. The depth of the submarine below the surface of the water, in maters, is approximately
A. 200 m
B. 11000 m
C. 2000 m
D. 8000 m

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