Determination of Friction Coefficient of pipe of various diameters

1. Darcy’s friction                     varies from 0.0005 to 0.01 for pipes.
Explanation

Explanation

Explanation

Explanation

Explanation

Explanation

Explanation

Explanation

2. Headloss due to friction in pipe can be reduced by:
Explanation

Explanation

Explanation

Explanation

Explanation

Explanation

Explanation

Explanation

3. Liquid flows through a horizontal pipe having diameter 100 mm (friction factor = 0.05) with a velocity of 4.0 m/s. The pipe length is 100 m. What is the head loss due to friction?
Explanation

Explanation

Explanation

Explanation

Explanation

Explanation

Explanation

Explanation

4. Friction factor                     when the flow becomes fully turbulent
Explanation

Explanation

Explanation

Explanation

Explanation

Explanation

Explanation

Explanation

5. Friction factor is function of                     for rough pipes.
Explanation

Explanation

Explanation

Explanation

Explanation

Explanation

Explanation

Explanation

6. If flow velocity is doubled, then the frictional head loss becomes:
Explanation

Explanation

Explanation

Explanation

Explanation

Explanation

Explanation

Explanation

7. For laminar flow in pipe of uniform diameter, the relation between Darcy’s friction factor and Reynold’s number is:
Explanation

Explanation

Explanation

Explanation

Explanation

Explanation

Explanation

Explanation

8. Darcy friction factor for Laminar flow is based on:
Explanation

Explanation

Explanation

Explanation

Explanation

Explanation

Explanation

Explanation

9. Moody’s diagram is used to calculate                     in pipes.
Explanation

Explanation

Explanation

Explanation

Explanation

Explanation

Explanation

Explanation

10. Assumptions of Poiseuille’s Law:
Explanation

Explanation

Explanation

Explanation

Explanation

Explanation

Explanation

Explanation