Streamline, and Turbulent Flow, Stoke's Law NEET Questions

Physics - Properties of Solids and Liquids

Streamline, and Turbulent Flow, Stoke's Law MCQ Questions


13.
In streamline flow, the velocity of the fluid:
A.
Is zero
B.
Changes randomly
C.
Remains constant along the streamline
D.
Becomes infinite
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ANSWER :
C. Remains constant along the streamline
14.
Which of the following is an example of turbulent flow in nature?
A.
Oil moving through a syringe
B.
Water flowing smoothly in a pipe
C.
Blood flow in small capillaries
D.
Waterfall
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ANSWER :
D. Waterfall
15.
How does viscosity affect the flow type of a fluid?
A.
Higher viscosity leads to turbulence
B.
Higher viscosity promotes streamline flow
C.
Viscosity has no effect
D.
Viscosity only affects gases
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ANSWER :
B. Higher viscosity promotes streamline flow
16.
Which condition is ideal for achieving streamline flow in industrial processes?
A.
High Reynolds number
B.
High fluid velocity
C.
Large pipe diameter
D.
Low fluid velocity and high viscosity
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ANSWER :
D. Low fluid velocity and high viscosity
17.
According to Stoke’s law, the viscous force acting on a sphere is directly proportional to:
A.
The density of the sphere
B.
The square of the radius only
C.
The radius of the sphere and the velocity of the fluid
D.
The volume of the fluid
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ANSWER :
C. The radius of the sphere and the velocity of the fluid
18.
What is the effect of turbulence on energy losses in fluid flow?
A.
Reduces friction
B.
Decreases energy losses
C.
Has no effect
D.
Increases energy losses due to eddies and friction
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ANSWER :
D. Increases energy losses due to eddies and friction