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 blood pressure of a person

Question # 2

The term Brownian movement refers to

Question # 3

In the case of an incompressible fluid in stead flow the net rate of flow of mass entering one end of the tube of flow is equal to the net rate of flow of mass leaving the other end. This equation is called

Question # 4

Which of the following has the greatest coefficient of viscosity?

Question # 5

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

Question # 6

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

Question # 7

The velocity of falling raindrop attains limited value because of

Question # 8

The body passing a viscous medium affected by:

Question # 9

A high concentration of red blood cells increases its viscosity from

Question # 10

With increase of temperature, the viscosity of liquid and gases

Question # 11

The analysis of fluid motion becomes simplified by using

Question # 12

Surface tension of water is reduced by adding

Question # 13

According to the equation of continuity, when water falls from the tap, it's speed increases and its cross-sectional area

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 Bernoulli's equation is based upon law of conservation
A. Mass
B. Momentum
C. Energy
D. None of these
2 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
3 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
4 Surface tension of water is reduced by adding
A. Detergents
B. Camphor
C. Plastic
D. Both A and B
5 Blood has a density
A. Equal to water
B. Greater then water
C. Lesser then water
D. None of these
6 Terminal velocity is the maximum velocity attained by a spherical droplet when the drag force______the weight of droplet:
A. Is smaller than
B. Is greater than
C. Becomes equal to
D. None of these
7 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
8 If v is the velocity of flow of liquid through a tube of area of cross-section A, then according to equation of continuity
A. v/A = constant
B. A/v = constant
C. Av = constant
D. None
9 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
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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