1. Which one of the following is a major loss?

1. Entry
2. Exit
3. large reservoir
4. friction

2. When looking at pipe flow:

1. Major losses are always greater than minor losses
2. Major losses are reduced by decreasing the surfaceroughness
3. Minor losses are always greater than major losses
4. Minor losses are very sensitive to pipe surface roughness

3. Head loss due to friction is a function of :

1. Pressure, length to diameter ratio, friction factor
2. Velocity, pressure, friction factor
3. Velocity, pressure, length to diameter ratio
4. Velocity, length to diameter ratio, friction factor

4. What causes head loss in pipes? (Select all that apply)

1. Valves and fittings
2. Fluid type
3. Length of pipe
4. Friction

5. For laminar flow, if the friction factor increases by a factorof two, the Reynolds number:

1. Is half the value
2. Doubles
3. Stays the same
4. Cannot be determined