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

Blood is an

Question # 2

Internal friction of fluid is called

Question # 3

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

Question # 4

The body will move with terminal velocity when it acquires

Question # 5

During the steady flow, different streamlines

Question # 6

Two water pipes of diameters 4 cm and 8 cm are connected with a supply line. The velocity of flow of water in the pipe 4 cm diameter is

Question # 7

Blood vessels can be stretch like rubber, therefore they are

Question # 8

According to the equation of continuity, when water falls from the tap, it's speed increases and its cross-sectional area

Question # 9

When a water droplet falls through air, the net force on it is

Question # 10

The law of conservation of energy gives us

Question # 11

A tube is tapered from 20 cm diameter to 2 cm diameter, the velocity at the first cross-section is 50 cm/s, then the velocity at the second cross-section is

Question # 12

The flow of an ideal fluid is

Question # 13

The dimensions of viscosity are:

Question # 14

Which of the following is a characteristic of an ideal fluid?

Question # 15

The equation of continuity is

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 The internal pressure of the blood is
A. less than the external atmospheric pressure
B. greater than the external atmospheric pressure
C. equal to the external atmosphericpressure
D. none of them
2 The study of fluid in motion basically involves law of conservation of:
A. Mass
B. Energy
C. Change
D. Both A and C
3 Blood is an
A. Compressible fluid
B. incompressible fluid
C. hard
D. none of them
4 A high concentration of red blood cells increases its viscosity from
A. 3 - 5 times that of mercury
B. 5 - 8 times that of mercury
C. 3 - 5 times that of water
D. 5 - 8 times that of water
5 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
6 The body passing a viscous medium affected by:
A. One force only
B. Two forces only
C. Four forces
D. None of these
7 Which of the following has the greatest coefficient of viscosity?
A. water
B. gasoline
C. honey
D. tar
8 Bernoulli's equation is the fundamental equation in fluid dynamics, which relates pressure to fluid
A. speed
B. height
C. none of them
D. both of them
9 An object moving through a fluid experiences a retarding force called a
A. frictional force
B. terminal force
C. opposing force
D. drag force
10 Surface tension of water is reduced by adding
A. Detergents
B. Camphor
C. Plastic
D. Both A and B

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