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

If the flow is incompressible and the flow is steady then the mass of the fluid through the pipe

Question # 2

Above a certain velocity of a fluid is called

Question # 3

Matter is made up of very tiny particles called

Question # 4

Bernoulli's equation is important in the field of

Question # 5

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

Question # 6

What are the SI base units of the coefficient of viscosity

Question # 7

The flow of an ideal fluid is

Question # 8

If one of the pipes has a much smaller diameter than the other and are placed horizontally then form both sides of Bernoulli's equation, we can drop the term

Question # 9

The rain drop falling from the sky reach the ground with

Question # 10

Unit of viscosity is:

Question # 11

High speed meteors rushing through air reduces to ashes because of:

Question # 12

N s m-2is unit of:

Question # 13

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

Question # 14

The SI unit of viscosity is

Question # 15

The equation of continuity
A1V1= A2V2is for the flow of

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 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
2 The velocity of falling raindrops attains limited value because of
A. Up thrust of air
B. Air currents of the earth atmosphere
C. Surface tension effect
D. Viscous force exerted by air
3 Where the streamlines are very far apart from each other, the pressure will be
A. low
B. zero
C. high
D. all of them
4 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
5 At high altitude the blood oozes out of the nose and ear because
A. The blood pressure increase at high altitudes
B. The percentage of oxygen in the air increase
C. The atmospheric pressure decrease there
D. The density of blood decrease at high altitudes
6 At high speed, fluid friction _____ and fuel consumption ___,:
A. Increases, decreases
B. Increases, increases
C. Decreases, increases
D. None of these
7 Bernoulli's equation is based upon law of conversation
A. Mass
B. Momentum
C. Energy
D. None of these
8 One torr is equal to
A. 13.33 N/m2
B. 760 N/m2
C. 760 mm Hg
D. 133.3 N/m2
9 The un-steady streamline flow is called
A. laminar flow
B. turbulent flow
C. both of them
D. none of them
10 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

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