Chapter 15

1. Which is the best description of a hose jacket device? A) Soft rubber sheet B) Stiff canvas patch C) Wound plastic coil D) Split metal cylinder

D) Split metal cylinder

2. The NFPA recommends that a pumper carry a minimum of _____ of supply hose. A) 400 ft (121 m) B) 600 ft (182 m) C) 800 ft (242 m) D) 1000 ft (304 m)

C) 800 ft (242 m)

3. Which type of adaptor is used to connect two female couplings to each other? A) Wye B) Double female C) Siamese D) Double male

D) Double male

4. Which is used to carry a self-locking twin-doughnut hose roll? A) Webbing B) A loop of hose C) Hose strap D) Rope

B) A loop of hose

5. Which item is used to attach a smaller hose to a larger one? A) Adaptor B) Fitting C) Gate D) Reducer

D) Reducer

6. Which coupling goes on the inside of a straight hose roll? A) Female B) Male C) Either D) Both couplings are attached

B) Male

7. Most smooth-bore nozzles are designed to operate at which pressure? A) 50 psi (345 kPa) B) 75 psi (517 kPa) C) 100 psi (690 kPa) D) 125 psi (862 kPa)

A) 50 psi (345 kPa)

8. When referring to hose, what does the "L" stand for in "LDH"? A) Limited B) Low C) Large D) Light

C) Large

9. Which is an advantage of an automatic-adjusting fog nozzle? A) The nozzle reaction remains constant despite variations in pump pressure. B) The rate of flow adjusts to maintain the rated nozzle pressure. C) The flow from the nozzle remains constant despite variations in pressure. D) The flow rate remains constant regardless of the discharge pattern.

B) The rate of flow adjusts to maintain the rated nozzle pressure.

10. Generally speaking, a 1½" (38-mm) attack hose can flow: A) 50 to 100 gpm (189 to 379 lpm). B) 60 to 125 gpm (227 to 473 lpm). C) 75 to 150 gpm (284 to 566 lpm). D) 120 to 180 gpm (454 to 681 lpm).

B) 60 to 125 gpm (227 to 473 lpm).

11. Hose on an apparatus that has not been used should be unloaded, inspected, and reloaded every: A) 30 days. B) 3 months. C) 6 months. D) year.

A) 30 days.

12. Which type of nozzle is used to fight fires in inaccessible places such as attics and basements? A) Piercing B) Water curtain C) Cellar D) Eductor

C) Cellar

13. Which type of wrench is used to tighten and loosen couplings? A) Hydrant B) Lug C) Hose D) Spanner

D) Spanner

14. In general, what volume does a 2½" (65-mm) handline flow? A) 175 gpm (662 lpm) B) 200 gpm (757 lpm) C) 250 gpm (946 lpm) D) 300 gpm (1135 lpm)

C) 250 gpm (946 lpm)

15. Hose that is at least 3½" (88 mm) in diameter is considered __________ diameter. A) small B) medium C) large D) master

C) large

16. Which hose diameter is used as both supply line and attack handline? A) 1¾" (44 mm) B) 2½" (65 mm) C) 2¾" (70 mm) D) 3" (76 mm)

B) 2½" (65 mm)

17. Master streams flow a minimum of: A) 350 gpm (1325 lpm). B) 400 gpm (1514 lpm). C) 450 gpm (1703 lpm). D) 500 gpm (1893 lpm).

A) 350 gpm (1325 lpm).

18. Which item is required to be noted on the hose record? A) Test duration B) Test date C) Test pressure D) Date of last use

B) Test date

19. What makes a water thief different from a wye is the addition of: A) a second inlet. B) ball valves. C) a 2½" (65-mm) outlet. D) clapper valves.

C) a 2½" (65-mm) outlet.

20. During annual testing, attack hose is tested at what pressure? A) 200 psi (1379 kPa) B) 300 psi (2068 kPa) C) 400 psi (2757 kPa) D) 500 psi (3447 kPa)

B) 300 psi (2068 kPa)

21. Which type of valve is typically used on engine discharges? A) Butterfly B) Gate C) Clapper D) Ball

D) Ball

22. Which type of valve is opened or closed by rotating a handle a quarter turn? A) Gate B) Siamese C) Butterfly D) Slide

C) Butterfly

23. Which type of hose roll is used to store hose on a storage rack? A) Straight B) Doughnut C) Twin D) Flat

A) Straight

24. Which nozzle type has the highest flow rate? A) Adjustable B) Handline C) Master stream D) Smooth bore

C) Master stream

25. What should be done to avoid water hammer? A) Always maintain a minimum residual pressure of 20 psi B) Never connect a hard suction hose to a pressurized water supply C) Purge air from the line before opening a valve or nozzle D) Open and close all valves slowly

D) Open and close all valves slowly

26. Which threadless coupling is commonly used on large diameter hose? A) Ramos B) Snap-tite C) Storz D) Naval

C) Storz

27. Compared to fog nozzle streams, smooth-bore nozzle streams: A) are more effective for hydraulic ventilation. B) absorb less heat. C) are harder to handle. D) have a lower discharge volume.

B) absorb less heat.

28. In double-jacket fire hose, which is the function of the outer jacket? A) It is a protective covering. B) It is the waterproof layer of the hose. C) It reduces friction loss. D) It resists kinking.

A) It is a protective covering.

29. Which is the last step in rolling a straight hose roll? A) Connect the couplings together. B) Use your foot to align protruding hose. C) Create a fold to protect the outer coupling. D) Tie the slip knot.

B) Use your foot to align protruding hose.

30. Which tool is used to protect a hose line that is being hoisted over a sharp edge? A) Hose ramp B) Edge protector C) Hose pulley D) Hose roller

D) Hose roller

31. Traditionally, most fog nozzles were designed to operate at which nozzle pressure? A) 50 psi (200 kPa) B) 75 psi (515 kPa) C) 80 psi (550 kPa) D) 100 psi (690 kPa)

D) 100 psi (690 kPa)

32. Hard rubber hose stored on a hose reel is __________ hose. A) booster B) attack C) forestry D) mop-up

A) booste

33. The most likely cause of leaking between two joined couplings is a damaged or missing: A) compression gasket. B) swivel gasket. C) shank gasket. D) expansion ring.

B) swivel gasket.

34. Which NFPA standard covers fire hose testing? A) 1962 B) 1972 C) 1982 D) 1992

A) 1962

35. What should be used to clean dirty fire hose? A) A dilute bleach solution B) Mild detergent C) TSP (trisodium phosphate) D) Class A foam

B) Mild detergent

36. Which is an appropriate use for a 1" (25-mm) booster line? A) Exposure protection B) Car fire C) Appliance fire D) Dumpster fire

D) Dumpster fire

37. Which is an advantage of a smooth-bore nozzle? A) Greater heat absorption per gallon discharged B) Operation at a higher nozzle pressure C) Greater disruption of thermal layering D) Longer stream reach

D) Longer stream reach

38. Which device splits one hose stream into two hose streams? A) Siamese B) Splitter C) Wye D) Water thief

C) Wye

39. What is hard suction hose most commonly used for? A) Transferring water from a pressurized source to a pump B) Drafting from a static water source C) Relay pumping D) Filling a portable tank

B) Drafting from a static water source

40. Which appliance is used to connect hose couplings with dissimilar threads? A) Fitting B) Adaptor C) Siamese D) Hose jacket

B) Adaptor

41. Generally speaking, a 1¾" (44-mm) attack hose can flow: A) 60 to 125 gpm (227 to 473 lpm). B) 75 to 150 gpm (284 to 566 lpm). C) 100 to 160 gpm (379 to 606 lpm). D) 120 to 180 gpm (454 to 681 lpm).

D) 120 to 180 gpm (454 to 681 lpm).

42. Which is a function of a hose liner? A) Withstand water pressure B) Resist mechanical damage C) Reduce friction loss D) Protect against thermal damage

C) Reduce friction loss

43. During annual testing, supply hose is tested at: A) 200 psi (1379 kPa). B) 300 psi (2068 kPa). C) 400 psi (2757 kPa). D) 500 psi (3447 kPa).

A) 200 psi (1379 kPa).

44. How does a doughnut hose roll differ from a straight hose roll? A) Both couplings are in the middle. B) The two couplings are connected. C) Both couplings are on the outside. D) The female coupling is on the outside.

C) Both couplings are on the outside.

45. The two-fire-fighter stiff-arm method is used to: A) advance a charged line. B) uncouple hose. C) reload LDH into a hose bed. D) make hard suction hose connections.

B) uncouple hose.

46. Which is a common use for a hose clamp? A) Allow a hydrant to be opened before the supply line is connected to the pump intake B) Control a burst section of hose line without interrupting water flow C) Allow for a quick-connect of an attack line to a pumper when the threads do not match D) Regulate pressure/volume in a single hose

A) Allow a hydrant to be opened before the supply line is connected to the pump intake

47. Which is the correct tool to tighten a hard suction hose connection? A) Rubber mallet B) Spanner C) Hose wrench D) Strap wrench

A) Rubber mallet

48. What is the purpose of the Higbee indicator? A) Make hose coupling easier and faster B) Indicate when the hose may be pulling out of the coupling C) Help disoriented fire fighters find their way out of a building D) Identify the thread standard type

A) Make hose coupling easier and faster

49. Which is the function of lugs found on couplings? A) Align the threads during coupling B) Aid in coupling and uncoupling hose C) Help the coupling slide over obstructions D) Strengthen the coupling

B) Aid in coupling and uncoupling hose

50. Which hose appliance combines two hose lines into one? A) Wye B) Siamese C) Reducer D) Manifold

B) Siamese

51. The function of which item is to connect individual lengths of hose together? A) Appliance B) Coupling C) Higbee D) Rocker

B) Coupling

52. A 50' (15 m) section of charged 2½" (65-mm) hose weighs approximately: A) 100 lb (45 kg). B) 125 lb (57 kg). C) 140 lb (64 kg). D) 200 lb (91 kg).

C) 140 lb (64 kg).

53. Generally speaking, a 1" (25-cm) booster hose can flow: A) 15 to 30 gpm (57 to 114 lpm). B) 20 to 40 gpm (76 to 151 lpm). C) 40 to 50 gpm (151 to 189 lpm). D) 50 to 75 gpm (189 to 284 lpm).

C) 40 to 50 gpm (151 to 189 lpm).

54. A soft sleeve hose is used to connect a pumper to a: A) standpipe/FDC. B) master stream device. C) static water supply. D) hydrant.

D) hydrant.