ECAT Pre Engineering Physics Chapter 6 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 6 Fluid Dynamics

Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 6 Fluid Dynamics

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Physics ECAT Pre Engineering Chapter 6 Fluid Dynamics

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Question # 1

The internal pressure of the blood is

Question # 2

When the velocity of a liquid flowing steadily in a tube increases, its pressure?

Question # 3

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

Question # 4

If one of the pipes has a much smaller diameter than the other and are placed horizontally then form both sides of Bernoulli's equation, we can drop the term

Question # 5

In a normal healthy person the value of diastolic pressure is

Question # 6

The term Brownian movement refers to

Question # 7

N s m-2is unit of:

Question # 8

Substances that flow easily have

Question # 9

High speed meteors rushing through air reduces to ashes because of:

Question # 10

Where the streamlines are very far apart from each other, the pressure will be

Question # 11

The application of Bernoulli's equation is

Question # 12

Bernoulli's equation is applicable for

Question # 13

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

Question # 14

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 # 15

The property of fluids due to which they resist their own flow is called:

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 Fire fighters have a jet attached to the head of their water pipes in order to head of their water pipes in order to
A. Increase the mass of water flowing per second
B. Avoid wastage of water
C. Increase the velocity of water flowing out
D. Increase the volume of water flowing per second
2 Ball pen functions on the principle of
A. Viscosity
B. Boyle's law
C. Gravitational force
D. Surface tnesion
3 The product of cross-sectional area of the pipe and the fluid speed at any point along the pipe is called
A. constant rate
B. volume rate
C. flow rate
D. steady rate
4 Bernoulli's equation is based upon law of conversation of
A. mass
B. momentum
C. Energy
D. None
5 A body is moving through a viscous medium eventually comes to rest because of:
A. Force of gravity
B. Force of friction
C. Its weight
D. Both A and C
6 The pressure will be low where the speed of the fluid is
A. Zero
B. High
C. Low
D. Constant
7 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
8 The rain drop falling from the sky reach the ground with
A. Constant terminal velocity
B. Constant gravitational acceleration
C. Variable acceleration
D. acceleration greater than g
9 Rate of flow can be expressed in
A. litre/sec
B. litre-sec
C. sec/litre
D. sec/litre-m
10 The flow of an ideal fluid is
A. streamline flow
B. incompressible flow
C. non-viscous
D. all of the above

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