Physics
Fluid Dynamics
Page 12 of 12
#89 The speed of efflux of a liquid from a tank does not depend on
A) Density of liquid
B) Height of liquid column
C) Acceleration due to gravity
D) Area of orifice
Answer: A
#90 The terminal velocity of a sphere falling in a fluid is directly proportional to
A) r
B) \(r^2\)
C) \(r^3\)
D) \(r^4\)
Answer: A
#91 The terminal velocity of a sphere falling in a fluid is inversely proportional to
A) \(\eta\)
B) \(\eta^2\)
C) \(\eta^3\)
D) \(\eta^4\)
Answer: A
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