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 term Brownian movement refers to

Question # 2

In a normal healthy person the value of systolic pressure is

Question # 3

With the increase of temperature viscosity

Question # 4

Bernoulli's equation is based upon law of conversation

Question # 5

Blood pressure is measured by the instrument

Question # 6

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

Question # 7

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

Question # 8

The rain drop falling from the sky reach the ground with

Question # 9

Fluid friction is _____ the friction between two solid surfaces:

Question # 10

In a _____ flow, each particle of the fluid is called a streamline and different streamlines ______cross each other.

Question # 11

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

Question # 12

When each particle of the fluid moves along a smoth path, this path is known as

Question # 13

When the upward drag force of the fluid becomes equal to downward force of gravity of the droplet, then its velocity:

Question # 14

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

Question # 15

The fluid which is incompressible and non viscous is called

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 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
2 Liquids and gasses have
A. zero viscosity
B. non-zero viscosity
C. very large viscosity
D. very small viscosity
3 Which of the following has the greatest coefficient of viscosity?
A. water
B. gasoline
C. honey
D. tar
4 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
5 According to Stoke's law, drag force depends on
A. Initial velocity
B. Final velocity
C. Terminal velocity
D. Instantaneous velocity
6 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
7 Blood vessels can be stretch like rubber, therefore they are
A. rigid
B. hard
C. very thick
D. not rigid
8 The fluid is incompressible, if itsdensity is
A. zero
B. constant
C. very high
D. very small
9 The value for systolic blood pressure for a normal healthy person is
A. 140 torr
B. 80 torr
C. 90 torr
D. 120 torr
10 High speed meteors rushing through air reduces to ashes because of:
A. Force of gravity
B. High resistance of air
C. Drag force
D. None of these

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