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 property of fluids due to which they resist their own flow is called:

Question # 2

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

Question # 3

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

Question # 4

Bernoulli's equation is based upon law of conversation of

Question # 5

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

Question # 6

During the free fall motion of an object, when its weight becomes equal to the drag force, then it will move with

Question # 7

Fluid friction is _____ the friction between two solid surfaces:

Question # 8

The velocity of falling raindrops attains limited value because of

Question # 9

The body passing a viscous medium affected by:

Question # 10

Bernoulli's equation is based upon law of conservation

Question # 11

Rate of flow can be expressed in

Question # 12

The electrical forces between the molecules of a liquid are

Question # 13

Bernoulli's equation is based upon law of conversation

Question # 14

The irregular and unsteady flow of the fluid is called

Question # 15

0.10 cm can be written as:

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 Stock's law holds for:
A. Motion through free space
B. Motion through viscous medium
C. Bodies of all shapes
D. None of these
2 If water rises 4 cm in a long, thin tube because of capillary action, then, under corresponding conditions of use, the rise (in the tube) of a liquid whose density is 2 g/cm2will be
A. 1 cm
B. 2 cm
C. 8 cm
D. None
3 Bernoulli's equation is based upon law of conversation of
A. mass
B. momentum
C. Energy
D. None
4 The body passing a viscous medium affected by:
A. One force only
B. Two forces only
C. Four forces
D. None of these
5 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
6 The law of conservation of energy gives us
A. equation of continuity
B. Bernoulli's theorem
C. both of them
D. none of them
7 Which of the following has the greatest coefficient of viscosity?
A. water
B. gasoline
C. honey
D. tar
8 The velocity gained by the fluid in falling through the distance (h1 - h2) under the action of gravity is equal to the speed of the action of gravity is equal to the speed of the
A. orifices
B. efflux
C. fluid
D. none of them
9 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
10 Blood has a density
A. Equal to water
B. Greater then water
C. Lesser then water
D. None of these

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