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

One torr is equal to

Question # 2

The rain drop falling from the sky reach the ground with

Question # 3

The fluid is incompressible, if itsdensity is

Question # 4

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

Question # 5

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

Question # 6

Fire fighters have jet attached to the head of their water pipes in order to

Question # 7

Internal friction of fluid is called

Question # 8

Deep water almost runs still when surface water flow in rivers. What does it explains

Question # 9

Blood has a density

Question # 10

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

Question # 11

The density of blood is nearly equal to that of

Question # 12

Surface tension of water is due to

Question # 13

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

Question # 14

Matter is made up of very tiny particles called

Question # 15

The maximum drag force on a falling sphere is 9.8 N, it weight is

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 Drag force increases if speed of the object moving through the fluid:
A. Increases
B. Decreases
C. Remains constant
D. None of these
2 Viscosity of water is ______ that of air but ___ that of plasma.
A. More, more
B. Less, more
C. Less, less
D. More, less
3 The electrical forces between the molecules of a liquid are
A. Repulsive
B. Attractive
C. Both A and B
D. None
4 Pressure exerted by a gas on the walls of its container in due to
A. adhesion between the gas molecules and the container
B. cohesion between the gas molecules and the container
C. collision between the gas molecules and the container
D. surface tension of the gas
5 The application of Bernoulli's equation is
A. Torricelli's theorem
B. Venture relation
C. Binomial theorem
D. Both a and b
6 Substances that flow easily have
A. large coefficient of viscosity
B. small coefficient of viscosity
C. either of them
D. none of them
7 The law of conservation of mass gives us the
A. equation of continuity
B. Bernoulli's theorem
C. both of them
D. none of them
8 The resistance offered by a fluid to a solid moving inside it is called:
A. Drag force
B. Surface force
C. Viscosity
D. None of these
9 During the free fall motion of an object, when its weight becomes equal to the drag force, then it will move with
A. maximum speed
B. zero speed
C. maximum speed
D. none of them
10 An object moving through a fluid experiences a retarding force called a
A. frictional force
B. terminal force
C. opposing force
D. drag force

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