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Chapter 6 - Fluid Dynamics - 5
1.
According to Stoke's Law, the drag force on a body moving in fluid is directly proportional to the velocity of the body.
a) True
b) False
2.
Terminal velocity of a body falling in a fluid is the minimum velocity.
a) True
b) False
3.
Flow of water in hilly areas is an example of the streamline flow.
a) True
b) False
4.
The product of cross-sectional area of the pipe and the speed at any point along the pipe is constant.
a) False
b) True
5.
The speed of efflux is equal to the velocity gained by the fluid in falling through the vertical distance under the action of gravity.
a) True
b) False
6.
Bernoulli�s Theorem deals with the liquid contained in a vertical cylinder.
a) False
b) True
7.
Drag force is the accelerating agent for a body moving in a fluid.
a) True
b) False
8.
Fluid friction does not depend upon the surface area of spherical body.
a) False
b) True
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