ECAT Pre Computer Science Chapter 6 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 6 Fluid Dynamics

Try The MCQ's Test For ECAT Physics Chapter 6 Fluid Dynamics

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ECAT Physics Chapter 6 Fluid Dynamics

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Question # 1

The body passing a viscous medium affected by:

Question # 2

Which of the following has the greatest coefficient of viscosity?

Question # 3

Bernoulli's equation is applicable for

Question # 4

Blood is an

Question # 5

The un-steady streamline flow is called

Question # 6

Substances that do not flow easily have

Question # 7

The dimensions of viscosity are:

Question # 8

N s m-2is unit of:

Question # 9

A fluid at a certain point has 50 J of potential energy per unit volume, 75 J of kinetic energy per unit volume,and 35 J of pressure energy per unit volume. the total energy of the fluid is

Question # 10

In a surface tension experiment with a capillary tube water rises up to 0.1 m. if the same experiment is repeated on an artificial satellite, which is resolving around the earth, water will rise in the capillary tube up to a height of

Question # 11

Matter is made up of very tiny particles called

Question # 12

Bernoulli's equation is based upon law of conversation

Question # 13

Substances that flow easily have

Question # 14

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

Question # 15

The pressure will change in the pipe, as the fluid moves through that pipe of varying

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 Ball pen functions on the principle of
A. Viscosity
B. Boyle's law
C. Gravitational force
D. Surface tnesion
2 The flow of an ideal fluid is
A. streamline flow
B. incompressible flow
C. non-viscous
D. all of the above
3 Which of the following is a characteristic of an ideal fluid?
A. it is non-viscous
B. it is incompressible
C. it's motion is steady
D. all of the above
4 The value of viscosity of a fluid is dependent on (at constant temperature)
A. the fluid itself
B. the fluid and its container
C. anything in contact with the fluid
D. all of the above
5 If the flow is incompressible and the flow is steady then the mass of the fluid through the pipe
A. increases
B. decreases
C. becomes zero
D. is conserved
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 Bernoulli's equation is based upon law of conversation
A. Mass
B. Momentum
C. Energy
D. None of these
8 High speed meteors rushing through air reduces to ashes because of:
A. Force of gravity
B. High resistance of air
C. Drag force
D. None of these
9 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
10 When a water droplet falls through air, the net force on it is
A. Net force = drag force - weight
B. Net force = weight - drag force
C. Net force = drag force + weight
D. Net force = weight + drag force

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