Chapter 15 Fire Hose, Appliances, & Nozzles

Question 1

The NFPA recommends that a pumper carry a minimum of ___ of supply hose

Answer 1

800ft

Question 2

The two-fire-fighter stiff-arm method is used to

Answer 2

Uncouple hose

Question 3

Which device splits one hose stream into two hose streams

Answer 3

Wye

Question 4

Which is a function of a hose liner

Answer 4

Reduce friction loss

Question 5

Which is the best description of a hose jacket device

Answer 5

Split metal cylinder

Question 6

Which the the correct tool to tighten a hard suction hose connection

Answer 6

Rubber mallet

Question 7

which is used to carry a self-locking twin-doughnut hose roll

Answer 7

A loop of hose

Question 8

Which type of valve is opened and closed by rotating a handle a quarter turn

Answer 8

Butterfly

Question 9

Generally speaking a 1”(25cm) booster hose can flow

Answer 9

40 to 50 gpm

Question 10

A 50’ (15m) section of charged 2.5” hose weighs approximately

Answer 10

140lbs

Question 11

Compared to fog nozzle streams, smooth-bore nozzle streams

Answer 11

Absorb less heat

Question 12

During annual testing, supply hose is tested at

Answer 12

200 psi

Question 13

Generally speaking a 1.5” attack hose can flow

Answer 13

60 to 125 gpm

Question 14

Generally speaking a 1 3/4” attack hose can flow

Answer 14

120 to 180 gpm

Question 15

Which is an advantage of an automatic-adjusting fog nozzle

Answer 15

The rate of flow adjusts to maintain the rated nozzle pressure

Question 16

Which is the last step in rolling a straight hose roll

Answer 16

Use your foot to align protruding hose

Question 17

Which type of valve is used on engine discharges

Answer 17

Ball