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

Which of the following has the greatest coefficient of viscosity?

Question # 2

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

Question # 3

The application of Bernoulli's equation is

Question # 4

When there is no internal frictional forces between the adjacent layers of fluid, then the fluid is called

Question # 5

In a normal healthy person the value of systolic pressure is

Question # 6

Stock's law holds for:

Question # 7

Glycerin has viscosity _____ the viscosity of water:

Question # 8

At high altitude the blood oozes out of the nose and ear because

Question # 9

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

Question # 10

Bernoulli's equation is important in the field of

Question # 11

When a water droplet falls through air, the net force on it is

Question # 12

A body is floating in a liquid. The up thrust on the body is

Question # 13

The terminal velocity of a small size spherical body of radius R moving in a fluid varies as

Question # 14

The analysis of fluid motion becomes simplified by using

Question # 15

If every particle of the flow that passes a particular point, moves along the same path as followed by particles which passed the point earlier, then this flow is said to be

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 Blood has a density
A. Equal to water
B. Greater then water
C. Lesser then water
D. None of these
2 In a normal healthy person the value of systolic pressure is
A. 75 torr
B. 80 torr
C. 120 torr
D. all of them
3 According to slok's law, drag force depends on
A. Radius of the spherical body
B. Terminal velocity of body
C. Coefficient of viscosity
D. All of above
4 With the increase of temperature viscosity
A. Increase
B. Decrease
C. Remains same
D. Doubles
5 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
6 Machine parts are jammed due to:
A. Increasing in viscosity of lubricant
B. Decreasing in viscosity of lubricant
C. Decreasing in surface tension of lubricant
D. None of these
7 Which of the following options states the names of fluids in the order of increasing viscosity?
A. mercury, motor oil, methanol
B. methanol, mercury, motor oil
C. motor oil, mercury, methanol
D. methanol, motor oil, mercury
8 Fluid friction is _____ the friction between two solid surfaces:
A. Greater than
B. Smaller than
C. Equal to
D. None of these
9 N s m-2is unit of:
A. Drag force
B. Pressure
C. Surface tension
D. Coefficient of viscosity
10 The instrument which detects the instant at which external pressure becomes equal to the systolic pressure is
A. stethoscope
B. thermometer
C. manometer
D. barometer

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