Quiz #2

  1. A _________ is used to connect the motor shaft to the pump shaft.
    1. Coupling
    2. Gland
    3. Bearing
    4. None of the above
  2. A pump is operating at 400 gpm with a TDH of 25 feet. What is the water horsepower?
    1. 5.2 HP
    2. 25 HP
    3. 2.5 HP
    4. 6.3 HP
  3. Calculate the BHP for a pump with a flow of 500 gpm, a TDH of 20 feet, and an efficiency of 70%.
    1. 2.5 HP
    2. 3.6 HP
    3. 1.75 HP
    4. 4.25 HP
  4. The rate at which water is going through a pump in MGD, gpm, cfs, is
    1. Flow
    2. Head
    3. Horsepower
    4. Efficiency
  5. The energy needed to operate the pump is
    1. Flow
    2. Head
    3. Horsepower
    4. Efficiency
  6. The measure of the difference between the power applied to the motor and the power applied to the water is
    1. Flow
    2. Head
    3. Horsepower
    4. Efficiency
  7. As pipe size increases, friction
    1. Increases
    2. Decreases
    3. Pipe size has no effect on friction
  8. The lantern ring distributes lubrication to the packing.
    1. Packing gland
    2. Lantern packing
    3. Packing ring
    4. Lantern ring
  9. The minimum pressure needed to avoid cavitation is the
    1. NPSH-R
    2. NPSH-A
    3. TDH
    4. HP
  10. The measurement, in feet, that a pump must overcome in order to move the water is
    1. NPSH-R
    2. NPSH-A
    3. TDH
    4. HP