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

The force exerted by the fluid in a hydraulic pump on the piston is 10 cm2, the fluid pressure on the piston is, in N/cm2

Question # 2

Which of the following has the greatest coefficient of viscosity?

Question # 3

The application of Bernoulli's equation is

Question # 4

One torr is equal to

Question # 5

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

Question # 6

The equation of continuity is

Question # 7

According to Stoke's law, drag force depends on

Question # 8

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

Question # 9

A massive object falls through a fluid:

Question # 10

Bernoulli's equation is applicable for

Question # 11

Fire fighters have jet attached to the head of their water pipes in order to

Question # 12

0.10 cm can be written as:

Question # 13

What is another name for laminar flow?

Question # 14

The value of viscosity of a fluid is dependent on (at constant temperature)

Question # 15

Pressure exerted by a gas on the walls of its container in due to

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 The value for systolic blood pressure for a normal healthy person is
A. 140 torr
B. 80 torr
C. 90 torr
D. 120 torr
2 The force exerted by the fluid in a hydraulic pump on the piston is 10 cm2, the fluid pressure on the piston is, in N/cm2
A. 20
B. 200
C. 2000
D. 20,000
3 In case of streamed lined flow of liquid, the loss of energy is
A. Maximum
B. Minimum
C. Infinite
D. equal to what is in turbulent flow
4 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
5 Surface tension of water is reduced by adding
A. Detergents
B. Camphor
C. Plastic
D. Both A and B
6 The application of Bernoulli's equation is
A. Torricelli's theorem
B. Venture relation
C. Binomial theorem
D. Both a and b
7 The pressure will change in the pipe, as the fluid moves through that pipe of varying
A. cross-section
B. height
C. none of them
D. both of them
8 Substances that do not flow easily have
A. large coefficient of viscosity
B. small coefficient of viscosity
C. either of them
D. none of them
9 The equation of continuity
A1V1= A2V2is for the flow of
A. an ideal fluid
B. an incompressible fluid
C. a non visconcous fluid
D. all of the above
10 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

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