d) If the velocity along a streamline changes with respect to time, then the flo
ID: 1844788 • Letter: D
Question
d) If the velocity along a streamline changes with respect to time, then the flow is considered to be ____. e) For laminar flow, the friction factor is solely a function of ______. f) For extremely turbulent flows, the friction factor is solely a function of ________. g) A stagnation tube manometer measures ________ and a static tube manometer measures _______. h) The bed slope can be assumed to equal the friction slope for open channel flow when the flow is: uniform, non-uniform, or steady. (circle one)Explanation / Answer
d. if the velocity along the stream line changes with respect to time ,then the flow is considered to be unsteady flow.
e. for laminar flow the friction factor is solely a function of Rynold's number
f. for extremely turbulent flows, the friction factor is solely a function of Rynold's number and relative roughness.
g. A stagnation tube manometer measures Fluid pressure,including the effect of converted velocity and a static tube manometer measures fluid pressure only.
h. the bed slope can be assumed to equal the friction slope for open channel flow when the flow is : Non uniform
because in circular section , the wetted area and the parameters changes with the change of depth of flowing)
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