Select the best answer for each of the following statements: ________An electric

Question

Select the best answer for each of the following statements: ________An electrical wind turbine U a type of: a reaction turbine. a waterwheel turbine: pressure-drop turbine; impulse turbine. __________ Choked flow at a point in an open channel implies that A back water is formed. The flow. is at critical depth at this point. Water approaching this point is sub-critical. (d) Fr I at the point, all the above. (0 None of the above _______The thrust on a pipe bend is a result of the water's__________ and Change in momentum and pressure; Momentum and impulse; Change in momentum and impulse, Pressure and change in impulse. _________The piezometric head of elevation + pressure head pressure head + head loss: velocity + HGL.

Explanation / Answer

a) Pressure drop turbine

b) None of above

c) change in momentum and impulse

d) elevation plus pressure head

e) 15gpm

f) supercritical

g) flow rate is constant

h) parshell flume

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