Determination of Friction Coefficient of pipe of various diameters
1. Relationship between Reynolds number (Re) and flow velocity (V) is:
2. Blasius equation is the following:
3. Blasius equation is valid only _________ flow of pressure head, velocity head and datum head.
4. For a given pipe, friction factor depends on:
5. If flow velocity is increased by 10%, then friction factor increases by:
6) Flow is Laminar for a given pipe flow if Reynold’s number is:
7) The Flow is Turbulent for a given pipe flow if Reynold’s number is:
8) Major head loss in pipe flow is due to:
9) What is the headloss with a pipe diameter of 1 m and length 1.5 km where flow velocity of water is 1 m/s? (Darcy’s friction factor = 0.02, acceleration due to gravity = 9.81m/s2)
10) Head loss due to friction in a pipe can be reduced by: