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 high altitude the blood oozes out of the nose and ear because

Question # 2

Blood pressure is measured by the instrument

Question # 3

When the upward drag force of the fluid becomes equal to downward force of gravity of the droplet, then its velocity:

Question # 4

A tube is tapered from 20 cm diameter to 2 cm diameter, the velocity at the first cross-section is 50 cm/s, then the velocity at the second cross-section is

Question # 5

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 # 6

In a normal healthy person the value of diastolic pressure is

Question # 7

The rain drop falling from the sky reach the ground with

Question # 8

The fluid is incompressible, if itsdensity is

Question # 9

A high concentration of red blood cells increases its viscosity from

Question # 10

When each particle of the fluid moves along a smoth path, this path is known as

Question # 11

Blood has a density

Question # 12

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

Question # 13

Pressure exerted by a gas on the walls of its container in due to

Question # 14

The equation of continuity is

Question # 15

Machine parts are jammed due to:

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ECAT Physics Chapter 6 Important MCQ's

Sr.# Question Answer
1 The value for systolic blood pressure for a normal healthy person is
A. 140 torr
B. 80 torr
C. 90 torr
D. 120 torr
2 Which of the following is a characteristic of an ideal fluid?
A. it is non-viscous
B. it is incompressible
C. it's motion is steady
D. all of the above
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
A. 1/4 times
B. 4 times
C. Twice
D. 1/2 of 8 cm diameter pipe
4 A water hose with an internal diameter of 20 mm at the outlet discharges 30 kg of water in 60 s. What is water speed at the outlet if density of water is 1000 kg/m3during its steady flow
A. 1.3 m/s
B. 1.6 m/s
C. 1.9 m/s
D. 2.2 m/s
5 Fluid friction is _____ the friction between two solid surfaces:
A. Greater than
B. Smaller than
C. Equal to
D. None of these
6 The pressure will change in the pipe, as the fluid moves through that pipe of varying
A. cross-section
B. height
C. none of them
D. both of them
7 Where the streamlines are very far apart from each other, the pressure will be
A. low
B. zero
C. high
D. all of them
8 Blood has a density
A. Equal to water
B. Greater then water
C. Lesser then water
D. None of these
9 Bernoulli's equation is important in the field of
A. Electrical circuit
B. Magnetism
C. Photoelectric effect
D. Flow of fluids
10 In a _____ flow, each particle of the fluid is called a streamline and different streamlines ______cross each other.
A. Streamline, cannot
B. Turbulent, cannot
C. Streamline, can
D. None of these

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