Hydraulics And Fluid Mechanics In Me - Study Mode
[#431] According to Darcy's formula, the loss of head due to friction in the pipe is (where f = Darcy's coefficient, $$l$$ = Length of pipe, v = Velocity of liquid in pipe and d = Diameter of pipe)
Correct Answer
(D) $$frac{{{ ext{4f}}l{{ ext{v}}^2}}}{{2{ ext{gd}}}}$$
[#432] A flow whose streamline is represented by a straight line, is called __________ dimensional flow.
Correct Answer
(A) One
[#433] Which of the following pump is suitable for small discharge and high heads?
Correct Answer
(D) Reciprocating pump
[#434] Free surface of a liquid behaves like a sheet and tends to contract to smallest possible area due to the
Correct Answer
(B) Force of cohesion
[#435] Theoretical power required (in watts) to drive a reciprocating pump is (where w = Specific weight of liquid to be pumped in N/m 3 , Q = Discharge of the pump in m 3 /s, H s = Suction head in meters and H d = Delivery head in meters)
Correct Answer
(D) wQ (H s + H d )