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

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 # 2

The analysis of fluid motion becomes simplified by using

Question # 3

Bernoulli's equation is based upon law of conversation

Question # 4

The flow of an ideal fluid is

Question # 5

When the different streamlines cannot cross each other, then this condition is known as

Question # 6

A flowing liquid possess

Question # 7

A high concentration of red blood cells increases its viscosity from

Question # 8

Bernoulli's equation is based upon law of conservation

Question # 9

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

Question # 10

When a water droplet falling freely through air, the drag force on water droplet increases with th

Question # 11

Glycerin has viscosity _____ the viscosity of water:

Question # 12

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

Question # 13

Surface tension of water is reduced by adding

Question # 14

Substances that flow easily have

Question # 15

Which of the following is a characteristic of an ideal fluid?

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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 Fluids resist force, This property is called
A. Stiffness
B. Strength
C. Ductility
D. Elasticity
3 How much force is required to slide one layer of the liquid over the other layer is measured by
A. friction
B. density
C. viscosity
D. resistivity
4 The property of fluids due to which they resist their own flow is called:
A. Drag force
B. Surface tension
C. Viscosity
D. None of these
5 The effect of friction between different layers of a flowing fluid is described in terms of
A. motion of fluid
B. nature of fluid
C. colour of fluid
D. viscosity of fluid
6 According to the Bernoulli's equation, where the speed of the fluid is high, the pressure will be
A. low
B. zero
C. high
D. all of them
7 Blood vessels can be stretch like rubber, therefore they are
A. rigid
B. hard
C. very thick
D. not rigid
8 Surface tension of water is due to
A. Inter molecular attractions
B. Inter molecular spaces
C. Inter molecular repulsion
D. None of above
9 The term Brownian movement refers to
A. irregular motions of small particles suspended in a fluid
B. convection currents in a liquid or gas
C. convection currents in a gas but not in a liquid
D. the stretching of a body beyond its elastic limit
10 Blood pressure is measured in torr. Which of the following units could belong to torr?
A. N m-1
B. N m-2
C. N m
D. N-1m-2

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