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

What are the SI base units of the coefficient of viscosity

Question # 2

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

Question # 3

The unit of viscosity is SI system is:

Question # 4

The law of conservation of energy gives us

Question # 5

The law of conservation of mass gives us the

Question # 6

In a normal healthy person the value of diastolic pressure is

Question # 7

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

Question # 8

The irregular and unsteady flow of the fluid is called

Question # 9

Terminal velocity is the maximum velocity attained by a spherical droplet when the drag force______the weight of droplet:

Question # 10

According to slok's law, drag force depends on

Question # 11

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

Question # 12

Substances that flow easily have

Question # 13

During the steady flow, different streamlines

Question # 14

Under normal circumstances, the volume of blood is sufficient to keep the vessels

Question # 15

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

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 At high altitude the blood oozes out of the nose and ear because
A. The blood pressure increase at high altitudes
B. The percentage of oxygen in the air increase
C. The atmospheric pressure decrease there
D. The density of blood decrease at high altitudes
2 Which of the following options correctly states the equation of continuity for an ideal fluid?
A. A1A2= V1V2
B. A1/A2= V2/V1
C. A1/A2= V1/V2
D. none of the above
3 Blood is an
A. Compressible fluid
B. incompressible fluid
C. hard
D. none of them
4 Glycerin has viscosity _____ the viscosity of water:
A. More than
B. Equal to
C. Less than
D. None of these
5 A flowing liquid possess
A. K.E
B. P.E
C. Pressure Energy
D. All
6 The analysis of fluid motion becomes simplified by using
A. law of conservation
B. law of conservation of energy
C. both of them
D. none of them
7 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
8 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
9 When the upward drag force of the fluid becomes equal to downward force of gravity of the droplet, then its velocity:
A. Starts increasing
B. Starts decreasing
C. Becomes constant
D. Is called escape velocity
10 The maximum drag force on a falling sphere is 9.8 N, it weight is
A. 1 N
B. 9.8 N
C. 4.9 N
D. Cannot be calculated

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