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

At the starting point of the free fall motion of an object, its acceleration will be

Question # 2

A massive object falls through a fluid:

Question # 3

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

Question # 4

Blood has a density

Question # 5

In a normal healthy person the value of systolic pressure is

Question # 6

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

Question # 7

When the velocity of a liquid flowing steadily in a tube increases, its pressure?

Question # 8

Bernoulli's equation is based upon law of conservation

Question # 9

Bernoulli's equation is important in the field of

Question # 10

Glycerin has viscosity _____ the viscosity of water:

Question # 11

The velocity of falling raindrops attains limited value because of

Question # 12

Fluids resist force, This property is called

Question # 13

When a water droplet falls through air, the net force on it is

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 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
2 The pressure will be low where the speed of the fluid is
A. Zero
B. High
C. Low
D. Constant
3 The velocity gained by the fluid in falling through the distance (h1 - h2) under the action of gravity is equal to the speed of the action of gravity is equal to the speed of the
A. orifices
B. efflux
C. fluid
D. none of them
4 According to the equation of continuity, when water falls from the tap, it's speed increases and its cross-sectional area
A. decreases
B. increases
C. becomes zero
D. none of them
5 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
6 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
7 Where the streamlines are very close to each other, the pressure will be
A. low
B. zero
C. high
D. all of them
8 The body will move with terminal velocity when it acquires
A. minimum speed
B. zero speed
C. maximum speed
D. none of them
9 When a water droplet falls through air, the net force on it is
A. Net force = drag force - weight
B. Net force = weight - drag force
C. Net force = drag force + weight
D. Net force = weight + drag force
10 Blood has a density
A. Equal to water
B. Greater then water
C. Lesser then water
D. None of these

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