Determination of Friction Coefficient of pipe of various diameters
1).Darcy’s frictional ___________ varies from 0.0005 to 0.01 for pipes:
2. Headloss due to friction in pipe can be reduced by:
3. Liquid flows through a horizontal pipe having diameter 100 mm (friction coefficient = 0.05) with a velocity of 4 m/s. what is the headloss due to friction?
4. Friction Factor _____________when the flow becomes fully turbulent
5. Friction factor is function of ____________________ for rough pipes:
6) If flow velocity is doubled, then frictional headloss becomes:
7) For Laminar flow in pipe of uniform diameter, the relation between Darcy’s friction factor and Reynold’s number is:
8) Darcy friction factor for Laminar flow is based on:
9) Moody’s diagram is used to calculate _______________ in pipes:
10) Assumptions of Poiseuille’s Law: