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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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Total Questions15
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Time Allowed20
ECAT Physics Chapter 6 Fluid Dynamics
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Question # 1
Stoke;s law is not applicable when the speed of the object moving through a fluid is:
Question # 2
Density of fluid is defined as:
Question # 3
What are the SI base units of the coefficient of viscosity
Question # 4
The blood pressure of a person
Question # 5
The body passing a viscous medium affected by:
Question # 6
Which of the following options correctly states the equation of continuity for an ideal fluid?
Question # 7
The velocity of falling raindrops attains limited value because of
Question # 8
What is another name for laminar flow?
Question # 9
Under normal circumstances, the volume of blood is sufficient to keep the vessels
Question # 10
Blood has a density
Question # 11
Viscosity of water is ______ that of air but ___ that of plasma.
Question # 12
Surface tension of water is due to
Question # 13
According to the equation of continuity, when water falls from the tap, it's speed increases and its cross-sectional area
Question # 14
Substances that do not flow easily have
Question # 15
0.10 cm can be written as:
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ECAT Physics Chapter 6 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Substances that do not flow easily have |
A. large coefficient of viscosity
B. small coefficient of viscosity
C. either of them
D. none of them
|
| 2 | Liquids and gasses have |
A. zero viscosity
B. non-zero viscosity
C. very large viscosity
D. very small viscosity
|
| 3 | At the starting point of the free fall motion of an object, its acceleration will be |
A. maximum
B. minimum
C. zero
D. none of them
|
| 4 | Ball pen functions on the principle of |
A. Viscosity
B. Boyle's law
C. Gravitational force
D. Surface tnesion
|
| 5 | The un-steady streamline flow is called |
A. laminar flow
B. turbulent flow
C. both of them
D. none of them
|
| 6 | 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
|
| 7 | 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
|
| 8 | Fluid friction is _____ the friction between two solid surfaces: |
A. Greater than
B. Smaller than
C. Equal to
D. None of these
|
| 9 | The value for systolic blood pressure for a normal healthy person is |
A. 140 torr
B. 80 torr
C. 90 torr
D. 120 torr
|
| 10 | At high altitude the blood oozes out of the nose and ear because |
A. The blood pressure increase at high altitudes
B. The percentage of oxygen in the air increase
C. The atmospheric pressure decrease there
D. The density of blood decrease at high altitudes
|
Test Questions
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