CHAPTER 15 - Fire Hose, Appliances, and Nozzles

Question 1

Large-diameter hose is _______ or larger and is designed to move large volumes of water to supply master stream appliances, portable hydrants, manifolds, standpipe and sprinkler systems, and fire department pumpers from hydrants and in relay.

Answer 1

3½ in. (88 mm)

Question 2

Which of the following is not an advantage of Storz-type hose couplings? Choices: They fit all fire hydrants., They have no male or female end to the hose., They cannot be cross threaded., or They can be quickly connected.

Answer 2

They fit all fire hydrants.

Question 3

Which of the following sizes of hose is not used as a supply hose? Choices: 3 in. (76 mm), 2½ in. (65 mm), 1¾ in. (44 mm), or 4 in. (100 mm)

Answer 3

1¾ in. (44 mm)

Question 4

A reducer is a type of adaptor that is used to:

Answer 4

attach a smaller-diameter hose to a larger-diameter hose.

Question 5

A _______ is a device that has a 2½-in. (65-mm) inlet and a 2½-in. (65-mm) outlet in addition to two 1½-in. (38-mm) outlets. It is used to supply many hose from one source.

Answer 5

water thief

Question 6

A _______ is used to join two female hose couplings.

Answer 6

double-male adaptor

Question 7

A hose roller is used:

Answer 7

to prevent chafing or kinking of hose at an edge of a roof or windowsill.

Question 8

Which of the following is not a type of nozzle? Choices: Attic nozzle, Water curtain nozzle, Cellar nozzle, or Fog-stream nozzle

Answer 8

Attic nozzle