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

What are the SI base units of the coefficient of viscosity

Question # 2

A massive object falls through a fluid:

Question # 3

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

Question # 4

The blood pressure of a person

Question # 5

According to the Bernoulli's equation, where the speed of the fluid is high, the pressure will be

Question # 6

A container has a small hole in the bottom. Air can go through this hole,but water cannot. This can be best explained by the statement that

Question # 7

Viscosity is defined as

Question # 8

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

Question # 9

In Bernoulli's theorem the relation between velocity and pressure is

Question # 10

With the increase of temperature viscosity

Question # 11

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

Question # 12

The _____ viscous the medium is _____, is the value of terminal velocity of the droplet:

Question # 13

The instrument which detects the instant at which external pressure becomes equal to the systolic pressure is

Question # 14

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

Question # 15

In a normal healthy person the value of diastolic pressure is

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 The velocity gained by the fluid in falling through the distance (h1 - h2) under the action of gravity is equal to the speed of the action of gravity is equal to the speed of the
A. orifices
B. efflux
C. fluid
D. none of them
2 In a normal healthy person the value of diastolic pressure is
A. 75 - 80 torr
B. 100 torr
C. 120 torr
D. none of them
3 The property of fluids due to which they resist their own flow is called:
A. Drag force
B. Surface tension
C. Viscosity
D. None of these
4 The flow of an ideal fluid is
A. streamline flow
B. incompressible flow
C. non-viscous
D. all of the above
5 The smooth or steady streamline flow is known as
A. laminar flow
B. turbulent flow
C. both of them
D. none of them
6 The blood pressure of a person
A. decrease with age
B. increase with age
C. has no effect with age
D. none of them
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 When a water droplet falls through air, the net force on it is
A. Net force = drag force - weight
B. Net force = weight - drag force
C. Net force = drag force + weight
D. Net force = weight + drag force
9 When weight of an object falling freely becomes equal to the drag force, then the body will move with
A. increasing speed
B. decreasing speed
C. constant speed
D. none of them
10 A flowing liquid possess
A. K.E
B. P.E
C. Pressure Energy
D. All

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