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

When the speed of a body in a fluid increases then the drag force

Question # 2

Where the streamlines are very close to each other, the pressure will be

Question # 3

According to slok's law, drag force depends on

Question # 4

Bernoulli's equation is important in the field of

Question # 5

The pressure will change in the pipe, as the fluid moves through that pipe of varying

Question # 6

At the starting point of the free fall motion of an object, its acceleration will be

Question # 7

Liquids and gasses have

Question # 8

Blood has a density

Question # 9

The density of blood is nearly equal to that of

Question # 10

The study of fluid in motion basically involves law of conservation of:

Question # 11

In a normal healthy person the value of systolic pressure is

Question # 12

Viscosity of water is ______ that of air but ___ that of plasma.

Question # 13

If v is the velocity of flow of liquid through a tube of area of cross-section A, then according to equation of continuity

Question # 14

Internal friction of fluid is called

Question # 15

Substances that do not flow easily have

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 The flow of an ideal fluid is
A. streamline flow
B. incompressible flow
C. non-viscous
D. all of the above
2 Fog droplets are suspended in air when their weight is balanced by:
A. Force of gravity
B. Upward trust due to air
C. Surface tension
D. None of these
3 Blood pressure is measured in torr. Which of the following units could belong to torr?
A. N m-1
B. N m-2
C. N m
D. N-1m-2
4 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
5 Bernoulli's equation is applicable for
A. turbulent flow
B. streamline flow
C. both (a) and (b)
D. all kinds of flows
6 Bernoulli's equation is based upon law of conservation
A. Mass
B. Momentum
C. Energy
D. None of these
7 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?
A. potential energy
B. pressure energy
C. strain energy
D. (a) and (b) only
8 The law of conservation of mass gives us the
A. equation of continuity
B. Bernoulli's theorem
C. both of them
D. none of them
9 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
10 At the starting point of the free fall motion of an object, its acceleration will be
A. maximum
B. minimum
C. zero
D. none of them

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