Chapter 3 Quiz

  1. A ________ is a perforated ring placed in the stuffing box between the layers of packing.
    1. Packing spacer
    2. Lantern spacer
    3. Lantern ring
    4. Packing ring
  2. The vaporization of water inside a pump is called
    1. Cavitation
    2. Gravitation
    3. Saturation
    4. None of the above
  3. Packing should drip at a rate of
    1. 10 to 15 times per minute
    2. 20 to 30 times per minute
    3. Once per second
    4. Packing should never drip
  4. Positive displacement pumps can be divided into two types. They are
    1. Suction and rotary
    2. Centrifugal and reciprocating
    3. Suction and reciprocating
    4. Reciprocating and rotary
  5. Compression packing can be replaced with
    1. Lantern rings
    2. Mechanical seals
    3. Mechanical springs
    4. Lantern springs