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 internal pressure of the blood is

Question # 2

Blood pressure is measured by the instrument

Question # 3

Two water pipes of diameters 4 cm and 8 cm are connected with a supply line. The velocity of flow of water in the pipe 4 cm diameter is

Question # 4

What are the SI base units of the coefficient of viscosity

Question # 5

During the steady flow, different streamlines

Question # 6

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

Question # 7

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

Question # 8

The rain drop falling from the sky reach the ground with

Question # 9

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

Question # 10

Blood vessels can be stretch like rubber, therefore they are

Question # 11

When a fluid is in motion, its flow can be considered as

Question # 12

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

Question # 13

In deriving the Bernoulli's equation, we assume that the fluid is

Question # 14

The body will move with terminal velocity when it acquires

Question # 15

Substances that flow easily have

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 Stock's law holds for:
A. Motion through free space
B. Motion through viscous medium
C. Bodies of all shapes
D. None of these
2 The resistance offered by a fluid to a solid moving inside it is called:
A. Drag force
B. Surface force
C. Viscosity
D. None of these
3 Where the streamlines are very far apart from each other, the pressure will be
A. low
B. zero
C. high
D. all of them
4 At high speed, fluid friction _____ and fuel consumption ___,:
A. Increases, decreases
B. Increases, increases
C. Decreases, increases
D. None of these
5 During the steady flow, different streamlines
A. cannot across each other
B. can across each other
C. either of them
D. neither of them
6 The rain drop falling from the sky reach the ground with
A. Constant terminal velocity
B. Constant gravitational acceleration
C. Variable acceleration
D. acceleration greater than g
7 With the increase of temperature viscosity
A. Increase
B. Decrease
C. Remains same
D. Doubles
8 What are the SI base units of the coefficient of viscosity
A. Kg m s-2
B. kgm2 s-2
C. Kg m s-1
D. kg m-1s-1
9 Matter is made up of very tiny particles called
A. Atoms
B. Molecules
C. Ions
D. None of these
10 The irregular and unsteady flow of the fluid is called
A. turbulent flow
B. steady flow
C. either of them
D. both of them

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