ILLINOIS BOF MOD EXAM 2026
COMPREHENSIVE STUDY GUIDE WITH
VERIFIED SOLUTIONS
◉Cellar nozzle. Answer: Used to fight fires in cellars
◉Hose clamp. Answer: Temporarily stops flow of water in a hose
line
◉Booster hose. Answer: Limited flow, 40 to 50 gpm
◉Water curtain nozzle. Answer: A nozzle that uses a flat screen of
water on an exposed building
◉Breakaway nozzle. Answer: Can be separated between the shut off
and the tip
◉Wye. Answer: Splits one hose into two
◉Fog stream nozzle. Answer: Produces fine droplets
,◉Piercing nozzle. Answer: Used to make a hole in metal
◉Hose liner. Answer: Inner part of the hose that prevents leaks
◉A 1 3/4 line flows ______ gpm. Answer: 120 to 180
◉Higabee. Answer: Notch on coupling threads
◉Attack lines can be multiple jacket or ______________. Answer: Rubber
covered
◉NFPA requires ______ ft of 2 1/2 inch line on a fire pumper. Answer:
800
◉Attack hose is tested annually at _____ psi. Answer: 300
◉The three groups of nozzles are low-volume, master-stream, and
___________. Answer: Handlines
◉A booster hose flows at _________ gpm. Answer: 40 to 50
◉What type of hose roll is used for general transportation and
storage?. Answer: Straight roll
, ◉Bresnan distributor nozzles are used to fight fires in _________.
Answer: Inaccessible places
◉Which nozzle allows for flow settings?. Answer: Adjustable-
gallonage
◉Which nozzle is used on deck guns, portable monitors, and ladder
pipes?. Answer: Master stream
◉A 2 1/2 inch line flows _______ gpm. Answer: 250
◉A device placed over a leaking section of hose. Answer: Hose jacket
◉What type of roll forms its own carrying loop?. Answer: Self-
locking twin doughnut roll
◉Hand line nozzles flow between _________ gpm. Answer: 60 to 350
◉Siamese connection:. Answer: Combines two lines into one
◉Examples of chemical damage to a fire hose. Answer: Battery acid,
gasoline, and motor oil
COMPREHENSIVE STUDY GUIDE WITH
VERIFIED SOLUTIONS
◉Cellar nozzle. Answer: Used to fight fires in cellars
◉Hose clamp. Answer: Temporarily stops flow of water in a hose
line
◉Booster hose. Answer: Limited flow, 40 to 50 gpm
◉Water curtain nozzle. Answer: A nozzle that uses a flat screen of
water on an exposed building
◉Breakaway nozzle. Answer: Can be separated between the shut off
and the tip
◉Wye. Answer: Splits one hose into two
◉Fog stream nozzle. Answer: Produces fine droplets
,◉Piercing nozzle. Answer: Used to make a hole in metal
◉Hose liner. Answer: Inner part of the hose that prevents leaks
◉A 1 3/4 line flows ______ gpm. Answer: 120 to 180
◉Higabee. Answer: Notch on coupling threads
◉Attack lines can be multiple jacket or ______________. Answer: Rubber
covered
◉NFPA requires ______ ft of 2 1/2 inch line on a fire pumper. Answer:
800
◉Attack hose is tested annually at _____ psi. Answer: 300
◉The three groups of nozzles are low-volume, master-stream, and
___________. Answer: Handlines
◉A booster hose flows at _________ gpm. Answer: 40 to 50
◉What type of hose roll is used for general transportation and
storage?. Answer: Straight roll
, ◉Bresnan distributor nozzles are used to fight fires in _________.
Answer: Inaccessible places
◉Which nozzle allows for flow settings?. Answer: Adjustable-
gallonage
◉Which nozzle is used on deck guns, portable monitors, and ladder
pipes?. Answer: Master stream
◉A 2 1/2 inch line flows _______ gpm. Answer: 250
◉A device placed over a leaking section of hose. Answer: Hose jacket
◉What type of roll forms its own carrying loop?. Answer: Self-
locking twin doughnut roll
◉Hand line nozzles flow between _________ gpm. Answer: 60 to 350
◉Siamese connection:. Answer: Combines two lines into one
◉Examples of chemical damage to a fire hose. Answer: Battery acid,
gasoline, and motor oil
