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

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

Question # 2

The SI unit of viscosity is

Question # 3

0.10 cm can be written as:

Question # 4

In a normal healthy person the value of diastolic pressure is

Question # 5

The terminal velocity of a small size spherical body of radius R moving in a fluid varies as

Question # 6

Machine parts are jammed due to:

Question # 7

The analysis of fluid motion becomes simplified by using

Question # 8

Two copper balls of 1 cm and 2 cm in diameter are simultaneously dropped in the same viscous medium. The terminal velocity of bigger ball is:

Question # 9

Bernoulli's equation is important in the field of

Question # 10

The internal pressure of the blood is

Question # 11

Fluid friction is _____ the friction between two solid surfaces:

Question # 12

Blood pressure is measured in torr. Which of the following units could belong to torr?

Question # 13

The law of conservation of energy gives us

Question # 14

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

Question # 15

The fluid which is incompressible and non viscous is called

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 Density of fluid is defined as:
A. Its volume to mass ratio
B. Product of volume and mass
C. Its mass of volume ratio
D. None of these
2 Bernoulli's equation is based upon law of conversation of
A. mass
B. momentum
C. Energy
D. None
3 The velocity of falling raindrop attains limited value because of
A. Up trust of air
B. Viscous force exerted by air
C. Surface tension effect
D. Air currents atmosphere
4 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
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 In deriving the Bernoulli's equation, we assume that the fluid is
A. incompressible
B. no viscous
C. flows in a steady manner
D. all of them
7 Bernoulli's equation is based upon law of conversation
A. Mass
B. Momentum
C. Energy
D. None of these
8 A massive object falls through a fluid:
A. Faster
B. Slower
C. Slowest
D. None
9 When each particle of the fluid moves along a smoth path, this path is known as
A. straight path
B. smooth path
C. haphazard path
D. steamline
10 Fluids resist force, This property is called
A. Stiffness
B. Strength
C. Ductility
D. Elasticity

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