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 velocity of falling raindrop attains limited value because of

Question # 2

The dimensions of viscosity are:

Question # 3

Glycerin has viscosity _____ the viscosity of water:

Question # 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

Question # 5

According to Stoke's law, drag force depends on

Question # 6

The effect of friction between different layers of a flowing fluid is described in terms of

Question # 7

In case of streamed lined flow of liquid, the loss of energy is

Question # 8

According to the Bernoulli's theorem the pressure velocity are

Question # 9

Stoke;s law is not applicable when the speed of the object moving through a fluid is:

Question # 10

In a container having water filled up to a height h, a hole is made in the bottom. The velocity of water flowing out of the hole is

Question # 11

The density of blood is nearly equal to that of

Question # 12

The analysis of fluid motion becomes simplified by using

Question # 13

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

Question # 14

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

Question # 15

The smooth or steady streamline flow is known as

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 The value of viscosity of a fluid is dependent on (at constant temperature)
A. the fluid itself
B. the fluid and its container
C. anything in contact with the fluid
D. all of the above
2 Deep water almost runs still when surface water flow in rivers. What does it explains
A. Magnus effect
B. Equation of continuity
C. Surface energy
D. Bernoulli's equation
3 If the flow is incompressible and the flow is steady then the mass of the fluid through the pipe
A. increases
B. decreases
C. becomes zero
D. is conserved
4 The density of water is 103kg/m3. The water pressure on a submarine is 2.0 x 107N/m2. The depth of the submarine below the surface of the water, in maters, is approximately
A. 200 m
B. 11000 m
C. 2000 m
D. 8000 m
5 The velocity of falling raindrop attains limited value because of
A. Up trust of air
B. Viscous force exerted by air
C. Surface tension effect
D. Air currents atmosphere
6 The _____ viscous the medium is _____, is the value of terminal velocity of the droplet:
A. More, lesser
B. Lesser, more
C. Both A and B
D. Lesser, lesser
7 Viscosity of water is ______ that of air but ___ that of plasma.
A. More, more
B. Less, more
C. Less, less
D. More, less
8 The smooth or steady stream-line flow is know as
A. Laminar flow
B. Turbulent flow
C. Both a and b
D. None of the above
9 Bernoulli's equation is based upon law of conversation
A. Mass
B. Momentum
C. Energy
D. None of these
10 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

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