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

Blood is an

Question # 2

When the different streamlines cannot cross each other, then this condition is known as

Question # 3

When there is no internal frictional forces between the adjacent layers of fluid, then the fluid is called

Question # 4

Rate of flow can be expressed in

Question # 5

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

Question # 6

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

Question # 7

The irregular and unsteady flow of the fluid is called

Question # 8

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

Question # 9

The smooth or steady stream-line flow is know as

Question # 10

In a _____ flow, each particle of the fluid is called a streamline and different streamlines ______cross each other.

Question # 11

Terminal velocity is the maximum velocity attained by a spherical droplet when the drag force______the weight of droplet:

Question # 12

Bernoulli's equation is the fundamental equation in fluid dynamics, which relates pressure to fluid

Question # 13

With the increase of temperature viscosity

Question # 14

Blood pressure is measured by the instrument

Question # 15

The dimensions of viscosity are:

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 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
2 The electrical forces between the molecules of a liquid are
A. Repulsive
B. Attractive
C. Both A and B
D. None
3 The drag force acting on a spherical droplet of radius 10-5m moving with a velocity of 1 cm/sec in a fluid of velocity 5.31 x 10-7m/sec. The units comes out to be:
A. 10-16N
B. 10-14N
C. 10-12N
D. 10-10N
4 The density of blood is nearly equal to that of
A. mercury
B. sodium
C. water
D. honey
5 A body is moving through a viscous medium eventually comes to rest because of:
A. Force of gravity
B. Force of friction
C. Its weight
D. Both A and C
6 Matter is made up of very tiny particles called
A. Atoms
B. Molecules
C. Ions
D. None of these
7 When the velocity of a liquid flowing steadily in a tube increases, its pressure?
A. Decreases
B. Increases
C. Remains same
D. Zero
8 The pressure will be low where the speed of the fluid is
A. Zero
B. High
C. Low
D. Constant
9 A flowing liquid possess
A. K.E
B. P.E
C. Pressure Energy
D. All
10 Viscosity is defined as
A. the friction between fluid and its container's walls
B. the internal friction between two layers of fluid
C. the resistance to flow a fluid experiences
D. the extent to which outside factors effect the fluid's flow

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