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

How much force is required to slide one layer of the liquid over the other layer is measured by

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

The resistance offered by a fluid to a solid moving inside it is called:

Question # 6

The blood pressure of a person

Question # 7

The _____ viscous the medium is _____, is the value of terminal velocity of the droplet:

Question # 8

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

Question # 9

The direction of the streamlines is the same as the direction of the

Question # 10

Blood is an

Question # 11

When the speed of a body in a fluid increases then the drag force

Question # 12

The law of conservation of mass gives us the

Question # 13

0.10 cm can be written as:

Question # 14

Glycerin has viscosity _____ the viscosity of water:

Question # 15

The equation of continuity
A1V1= A2V2is for the flow of

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 Internal friction of fluid is called
A. Surface tension
B. Viscosity
C. Resistance
D. Cohesive force
2 Blood vessels can be stretch like rubber, therefore they are
A. rigid
B. hard
C. very thick
D. not rigid
3 Fire fighters have jet attached to the head of their water pipes in order to
A. Increase the mass of water flowing per second
B. Increase the velocity of water flowing out
C. Increase the volume of water flowing per second
D. Avoid wastage of water
4 Stoke;s law is not applicable when the speed of the object moving through a fluid is:
A. Zero
B. Small
C. Large
D. None of these
5 The instrument which detects the instant at which external pressure becomes equal to the systolic pressure is
A. stethoscope
B. thermometer
C. manometer
D. barometer
6 If every particle of the flow that passes a particular point, moves along the same path as followed by particles which passed the point earlier, then this flow is said to be
A. turbulent
B. streamline
C. abrupt
D. none of them
7 The fluid is incompressible, if itsdensity is
A. zero
B. constant
C. very high
D. very small
8 When the velocity of a liquid flowing steadily in a tube increases, its pressure?
A. Decreases
B. Increases
C. Remains same
D. Zero
9 0.10 cm can be written as:
A. 1.0 x 10-2m
B. 1.0 x 10-3cm
C. 1.0 x 10-4cm
D. 1. x 10-4m
10 At low speeds, the drag force is
A. proportional to speed
B. inversely proportional to speed
C. not simply proportional to speed
D. none of them

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