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

Drag force increases if speed of the object moving through the fluid:

Question # 2

Which of the following options states the names of fluids in the order of increasing viscosity?

Question # 3

The value for systolic blood pressure for a normal healthy person is

Question # 4

Internal friction of fluid is called

Question # 5

Bernoulli's equation is applicable for

Question # 6

The analysis of fluid motion becomes simplified by using

Question # 7

When the droplet moves with terminal velocity in a fluid, the net force acting on the droplet is:

Question # 8

Fire fighters have jet attached to the head of their water pipes in order to

Question # 9

Blood has a density

Question # 10

The body passing a viscous medium affected by:

Question # 11

One torr is equal to

Question # 12

A massive object falls through a fluid:

Question # 13

The terminal velocity of water droplet of radius 1 x 10-4m and desity 1000 kg m-3descending through air of viscosity 19 x 10-6kg. m-1 s-1 is

Question # 14

The smooth or steady stream-line flow is know as

Question # 15

The un-steady streamline flow is called

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 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
2 Blood is an
A. Compressible fluid
B. incompressible fluid
C. hard
D. none of them
3 Bernoulli's equation is important in the field of
A. Electrical circuit
B. Magnetism
C. Photoelectric effect
D. Flow of fluids
4 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
A. 125 J
B. 90 J
C. 160 J
D. 85 J
5 Deep water almost runs still when surface water flow in rivers. What does it explains
A. Magnus effect
B. Equation of continuity
C. Surface energy
D. Bernoulli's equation
6 Fluids have three types of energies. The Bernoulli's equation combines those energies.which of the following is one of the three enrgies possessed by a fluid?
A. potential energy
B. pressure energy
C. strain energy
D. (a) and (b) only
7 With the increase of temperature viscosity
A. Increase
B. Decrease
C. Remains same
D. Doubles
8 Blood has a density
A. Equal to water
B. Greater then water
C. Lesser then water
D. None of these
9 The blood pressure of a person
A. decrease with age
B. increase with age
C. has no effect with age
D. none of them
10 Fluid friction is _____ the friction between two solid surfaces:
A. Greater than
B. Smaller than
C. Equal to
D. None of these

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