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

0.10 cm can be written as:

Question # 2

The fluid which is incompressible and non viscous is called

Question # 3

Which of the following options correctly states the equation of continuity for an ideal fluid?

Question # 4

The dimensions of viscosity are:

Question # 5

Fluids resist force, This property is called

Question # 6

Bernoulli's equation is important in the field of

Question # 7

According to Stoke's law, drag force depends on

Question # 8

Bernoulli's equation is based upon law of conservation

Question # 9

With the increase of temperature viscosity

Question # 10

What is another name for laminar flow?

Question # 11

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

Question # 12

A flowing liquid possess

Question # 13

Unit of viscosity is:

Question # 14

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

Question # 15

The application of Bernoulli's equation is

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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 The application of Bernoulli's equation is
A. Torricelli's theorem
B. Venture relation
C. Binomial theorem
D. Both a and b
3 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
4 A high concentration of red blood cells increases its viscosity from
A. 3 - 5 times that of mercury
B. 5 - 8 times that of mercury
C. 3 - 5 times that of water
D. 5 - 8 times that of water
5 The smooth or steady stream-line flow is know as
A. Laminar flow
B. Turbulent flow
C. Both a and b
D. None of the above
6 Fog droplets are suspended in air when their weight is balanced by:
A. Force of gravity
B. Upward trust due to air
C. Surface tension
D. None of these
7 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
A. P
B. 1/2 fv2
C. pgh
D. none of them
8 Bernoulli's equation is important in the field of
A. Electrical circuit
B. Magnetism
C. Photoelectric effect
D. Flow of fluids
9 A body is floating in a liquid. The up thrust on the body is
A. Equal to weight of liquid displaced
B. Zero
C. Less than the weight of liquid displaced
D. Weight of body-weight of liquid displaced
10 The body will move with terminal velocity when it acquires
A. minimum speed
B. zero speed
C. maximum speed
D. none of them

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