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

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

Question # 2

The maximum drag force on a falling sphere is 9.8 N, it weight is

Question # 3

In case of streamed lined flow of liquid, the loss of energy is

Question # 4

During the free fall motion of an object, when its weight becomes equal to the drag force, then it will move with

Question # 5

The rain drop falling from the sky reach the ground with

Question # 6

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

Question # 7

During the steady flow, different streamlines

Question # 8

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:

Question # 9

Which of the following options correctly states the equation of continuity for an ideal fluid?

Question # 10

Under normal circumstances, the volume of blood is sufficient to keep the vessels

Question # 11

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

Question # 12

According to the equation of continuity, when water falls from the tap, it's speed increases and its cross-sectional area

Question # 13

Where the streamlines are very far apart from each other, the pressure will be

Question # 14

According to Stoke's law, drag force depends on

Question # 15

Substances that flow easily have

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 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
2 The effect of friction between different layers of a flowing fluid is described in terms of
A. motion of fluid
B. nature of fluid
C. colour of fluid
D. viscosity of fluid
3 Machine parts are jammed due to:
A. Increasing in viscosity of lubricant
B. Decreasing in viscosity of lubricant
C. Decreasing in surface tension of lubricant
D. None of these
4 The density of blood is nearly equal to that of
A. mercury
B. sodium
C. water
D. honey
5 According to the Bernoulli's equation, where the speed of the fluid is high, the pressure will be
A. low
B. zero
C. high
D. all of them
6 The _____ viscous the medium is _____, is the value of terminal velocity of the droplet:
A. More, lesser
B. Lesser, more
C. Both A and B
D. Lesser, lesser
7 Matter is made up of very tiny particles called
A. Atoms
B. Molecules
C. Ions
D. None of these
8 When the different streamlines cannot cross each other, then this condition is known as
A. continuity condition
B. turbulent flow condition
C. steady flow condition
D. none of them
9 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
10 According to the Bernoulli's theorem the pressure velocity are
A. equal to each other
B. proportional to each other
C. inversely proportional to each other
D. none of them

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