ECAT Pre Engineering Physics Chapter 6 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 6 Fluid Dynamics

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

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Physics ECAT Pre Engineering Chapter 6 Fluid Dynamics

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Question # 1

Deep water almost runs still when surface water flow in rivers. What does it explains

Question # 2

According to the Bernoulli's equation, where the speed of the fluid is high, the pressure will be

Question # 3

The internal pressure of the blood is

Question # 4

The analysis of fluid motion becomes simplified by using

Question # 5

Density of fluid is defined as:

Question # 6

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

Question # 7

At high speed, fluid friction _____ and fuel consumption ___,:

Question # 8

When weight of an object falling freely becomes equal to the drag force, then the body will move with

Question # 9

The study of fluid in motion basically involves law of conservation of:

Question # 10

Fog droplets are suspended in air when their weight is balanced by:

Question # 11

A flowing liquid possess

Question # 12

With the increase of temperature viscosity

Question # 13

A high concentration of red blood cells increases its viscosity from

Question # 14

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 # 15

When a water droplet falling freely through air, the drag force on water droplet increases with th

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 A device used to measure the speed of liquid flow is known as
A. barometer
B. speedometer
C. sphygmomanometer
D. venture-meter
2 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
3 The internal pressure of the blood is
A. less than the external atmospheric pressure
B. greater than the external atmospheric pressure
C. equal to the external atmosphericpressure
D. none of them
4 Blood is an
A. Compressible fluid
B. incompressible fluid
C. hard
D. none of them
5 Bernoulli's equation is applicable for
A. turbulent flow
B. streamline flow
C. both (a) and (b)
D. all kinds of flows
6 The unit of viscosity is SI system is:
A. Kg-1m sec-1
B. Kgm-1 sec-1
C. Kg-1m-1 sec
D. None of these
7 Internal friction of fluid is called
A. Surface tension
B. Viscosity
C. Resistance
D. Cohesive force
8 Under normal circumstances, the volume of blood is sufficient to keep the vessels
A. flatted for all times
B. inflated for all times
C. inflated for small times
D. none of them
9 Pressure exerted by a gas on the walls of its container in due to
A. adhesion between the gas molecules and the container
B. cohesion between the gas molecules and the container
C. collision between the gas molecules and the container
D. surface tension of the gas
10 In a container having water filled up to a height h, a hole is made in the bottom. The velocity of water flowing out of the hole is
A. Independent of h
B. Proportional to h1/2
C. Proportional to h
D. Proportional to h2

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