Section: Fluid Mechanics | Type: NAT | Marks: 2
Air flows through a pipe of diameter D with an average velocity of 3 m.s−1. The Darcy friction factor of the pipe is 0.02. Assume acceleration due to gravity as 10 m.s−2. If the head loss per meter is 0.05, the diameter (in m) of the pipe is __________. (rounded off to two decimal places)