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.Management Sciences
A. The absolute roughness of a pipe de-creases with time
B. A pipe becomes smooth after using for long time
C. The friction factor decreases with time
D. The absolute roughness increases with time
Related Mcqs:
- Centre of buoyancy always_________________?
- A. coincides with the centre of gravity B. coincides with the centroid of the volume of fluid displaced C. remains above the centre of gravity D. remains below the centre of gravity...
- In steady flow of a fluid, the total accele ration of any fluid particle______________?
- A. can be zero B. is never zero C. is always zero D. is independent of coordinates...
- When time of closure tc = L/v0 (where L is length of pipe and v0 is speed of pressure wavE., the portion of pipe length subjected to maximum head is__________________?
- A. L/4 B. L/3 C. L/2 D. L...
- The speed of a pressure wave through a pipe depends upon________________?
- A. the length of pipe B. the viscosity of fluid C. the bulk modulus for the fluid D. the original head...
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