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

During the free fall motion of an object, when its weight becomes equal to the drag force, then it will move with

Question # 2

A person standing near the track of a fast moving train has tendency to fall towards it because of

Question # 3

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

Question # 4

The equation of continuity is

Question # 5

Glycerin has viscosity _____ the viscosity of water:

Question # 6

Fluids have three types of energies. The Bernoulli's equation combines those energies.which of the following is one of the three enrgies possessed by a fluid?

Question # 7

Matter is made up of very tiny particles called

Question # 8

If the flow is incompressible and the flow is steady then the mass of the fluid through the pipe

Question # 9

The maximum drag force on a falling sphere is 9.8 N, it weight is

Question # 10

The equation of continuity
A1V1= A2V2is for the flow of

Question # 11

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

Question # 12

During the steady flow, different streamlines

Question # 13

The application of Bernoulli's equation is

Question # 14

The internal pressure of the blood is

Question # 15

What are the SI base units of the coefficient of viscosity

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 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
2 The terminal velocity of water droplet of radius 1 x 10-4m and desity 1000 kg m-3descending through air of viscosity 19 x 10-6kg. m-1 s-1 is
A. 2.5 ms-1
B. 3.2 ms-1
C. 4.3 ms-1
D. 1.1 ms-1
3 The fluid which is incompressible and non viscous is called
A. Ideal fluid
B. Non-ideal fluid
C. Prefect fluid
D. All
4 0.10 cm can be written as:
A. 1.0 x 10-2m
B. 1.0 x 10-3cm
C. 1.0 x 10-4cm
D. 1. x 10-4m
5 The equation of continuity is
A. A1A2 = V1V2
B. A1/V1 =A2/V2
C. V1/A1=V2/A2
D. A1V1 =A2V2
6 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
7 Where the streamlines are very close to each other, the pressure will be
A. low
B. zero
C. high
D. all of them
8 A body is floating in a liquid. The up thrust on the body is
A. Equal to weight of liquid displaced
B. Zero
C. Less than the weight of liquid displaced
D. Weight of body-weight of liquid displaced
9 The SI unit of viscosity is
A. kg m-1s-1
B. kg ms-1
C. kg m-1s-2
D. kg m-1s
10 How much force is required to slide one layer of the liquid over the other layer is measured by
A. friction
B. density
C. viscosity
D. resistivity

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