Vari-Nozzles and In-Line Eductors

Question 1

Vari-nozzles are used on all ______ and ___________ hose lines.

Answer 1

AFFF, saltwater

Question 2

Flow rates for all 2-1/2 inch hose lines are ______ gpm.

Answer 2

250

Question 3

Nozzles on 1-1/2 inch AFFF hoses on flight and hangar decks have a flow rate of ____ gpm.

Answer 3

125

Question 4

Nozzles on 1-1/2 inch and 1-3/4 inch saltwater lines and those used with AFFF in-line eductors have a flow
rate of ____ gpm.

Answer 4

95

Question 5

All nozzle gpm flow ratings are based on ________ pressure at the nozzle inlet.

Answer 5

100 psi

Question 6

The portable in-line eductors are used to mix saltwater and AFFF concentrate from __________ containers
to produce AFFF solution for combating fires.

Answer 6

5-gallon

Question 7

The in-line eductor may be placed anywhere in the hose line but is recommended to be near or on the saltwater
outlets as a minimum of 100 psi at the inlet is optimum for proper proportioning. (True or False)

Answer 7

True

Question 8

Locating the eductor at the outlet allows the _____ ______ to handle transferring the pickup tube between ______ containers and moves this activity off to the side.

Answer 8

Plug Man, AFFF