There is a sudden increase in the diameter of a pipe from d1 to d2. What would be the ratio d2 /d1 if the minor loss is independent of the direction of flow? Assume coefficient of contraction Cc = 0.6.

Water is flowing at the rate of 144 m³/hr through a 1 km long and 120 mm diameter pipe. If the head loss is 7 m of water, find the wall roughness of pipe in millimeters. If the roughness is doubled, estimate the percentage increase in head loss. (Viscosity of water is 1.02 × 10-3 Ns/m²)

The pressure drop of a flow is the same as the pressure loss for the case of a horizontal flow in a constant diameter pipe.Group of answer choicesTrueFalse

Water flows at a rate of 0.035 m3/s in a horizontal pipe whose diameter is reduced from 15 cm to 8 cm by a reducer. If the pressure at the centerline is measured to be 480 kPa and 445 kPa before and after the reducer, respectively, determine the head loss in the reducer. Express your answer in m.

A viscous fluid is flowing through a small tube at a rate of 0.200 m3/s. If the pressure difference across the tube is doubled, and the length of the tube is halved, and the radius is also doubled, then what is the new rate of flow of the fluid?

If all other conditions (ie Pressure differential, orientation of gravity) and dimensions are unchanged, what is the effect of doubling the cylinder diameter on the volume flow rate? A. The flow rate decreases by a factor of 4 B. The flow rate decreases by a factor of 1.189 C. The flow rate doubles D. The flow rate increases by a factor of 16