Hydraulics and fluid mechanics

23. The distance y from pipe boundary, at which the point velocity is equal to average velocity for turbulent flow, is (where R is radius of pipe) A. 0.223 R B. 0.423 R C. 0.577 R D. 0.707 R

0.223 R
0.423 R
0.577 R
0.707 R

Detailed SolutionThe distance y from pipe boundary, at which the point velocity is equal to average velocity for turbulent flow, is (where R is radius of pipe) A. 0.223 R B. 0.423 R C. 0.577 R D. 0.707 R

26. Which of the following is an incorrect statement ? A. Coefficient of contraction of a venturimeter is unity B. Flow nozzle is cheaper than venturimeter but has higher energy loss C. Discharge is independent of orientation of venturimeter whether it is horizontal, vertical or inclined D. None of the above statement is incorrect

Coefficient of contraction of a venturimeter is unity
Flow nozzle is cheaper than venturimeter but has higher energy loss
Discharge is independent of orientation of venturimeter whether it is horizontal, vertical or inclined
None of the above statement is incorrect

Detailed SolutionWhich of the following is an incorrect statement ? A. Coefficient of contraction of a venturimeter is unity B. Flow nozzle is cheaper than venturimeter but has higher energy loss C. Discharge is independent of orientation of venturimeter whether it is horizontal, vertical or inclined D. None of the above statement is incorrect

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