1 3/4 Hoseline

Question 1

Hose length

Answer 1

50’ sections

Question 2

Hose construction

Answer 2

Rubber lined with a synthetic double jacket

Question 3

Type of lugs on each coupling

Answer 3

Rocker lugs

Question 4

1 3/4 is in reference to the diameter or the inside or outside of the hose?

Answer 4

Inside

Question 5

Couplings are constructed of?

Answer 5

Pyrolite 1 ¾” NST

Question 6

What does NST stand for?

Answer 6

National Standard Thread

Question 7

What is the max capability of the Elkhart Chief nozzle, and what capacity does MDFR use it at?

Answer 7

Max capability is 250GPM, MDFR uses it at 70psi delivering 220GPM

Question 8

How much friction loss for every 50’ length of hose?

Answer 8

15psi

Question 9

What is the max length of hose that can be used?

Answer 9

400’

Question 10

What type of nozzle is the 1 3/4” High Rise Nozzle?

Answer 10

Smooth Bore (15/16”)

Question 11

At what rate does the High Rise Nozzle flow?

Answer 11

180GPM at 50psi

Question 12

What other name is the 1 3/4” Preferred Foam Nozzle called?

Answer 12

1 3/4” SM-20

Question 13

At what rate does the SM-20 flow?

Answer 13

125GPM at 75psi

Question 14

Where will the pre-connected 1 3/4” lines be found?

Answer 14

Front bumper and two crosslays

Question 15

How many feet of hose will the initial section of hose be on the cross lays and where are they connected to?

Answer 15

6’ and connected to the discharge port.

Question 16

What type of load is used on the pre-connects?

Answer 16

Triple layer load A.K.A S load

Question 17

How long are the bumper lines?

Answer 17

100’

Question 18

How long are the cross-lays?

Answer 18

150’ and 200’

Question 19

Why is a horseshoe implemented?

Answer 19

To be able to deploy the hose from the opposite side of where the nozzle is located.

Question 20

How many people does it take to pull the triple layer load (S load)?

Answer 20

1

Question 21

What is a disadvantage of the triple layer load (S load)?

Answer 21

The whole load must be completely removed from the bed before leading the nozzle end of the hose.

Question 22

How many riding positions are there?

Answer 22

4

Question 23

What are the riding positions?

Answer 23

1 Company Officer (OIC)

Question 24

What does the Nozzle FF (#4) take to the point of entry?

Answer 24

The nozzle and the first 50’ of hose

Question 25

When charging the line, what should the Nozzle FF (#4) be ensuring?

Answer 25

• That the desired nozzle pattern is set

- Adequate flow/pressure from the hoseline

Question 26

What riding position assumes role as the door person?

Answer 26

Hydrand FF (#3)

Question 27

What riding position assumes the backup of the Nozzle FF (#4)

Answer 27

1 Company Officer (OIC)

Question 28

What end and how far does it get pulled through the tray when loading the triple layer load (S load)?

Answer 28

Female end and 24”, then fold the coupling approximately 12” over the side from the end

Question 29

How many feet from the last coupling should you pick up the hose when loading the triple layer load (S load)?

Answer 29

2-4 feet

Question 30

Nozzle should always be positioned where when entering a fire?

Answer 30

Out in front of you, not at your side

Question 31

4 nozzle FF job is?

Answer 31

Deploy hose from truck to door and notify OIC he is in position and ready for water

Question 32

when #4 nozle FF recieves water at the door he should?

Answer 32

Opens the nozzle to ensure the desired nozzle pattern is set and adequate flow/pressure from hoseline. Flowing water from a wide open bale until D/O sets proper discharge pressure

Question 33

3 hydant FF role and job at a structure?

Answer 33

role of door person

• monitor and report conditions
• feed hose
• preven unnecessary entrance of other persons

Question 34

1 OIC FF Role and job?

Answer 34

Role of back-up person

• monitors conditions/fires location and potential flashover indicators
• Use TIC to guide #4 toward the fire and to look for potential victims
• Positions themselves to feed hose around corners and obstacles.

Question 35

4 nozzle FF proper nozzle operation

Answer 35

Person keeps the bail at arms length with other hand firmly grasping the hose near their body.

Question 36

1 OIC FF proper nozzle operation

Answer 36

Firmly grasps the hose with both hands, and maintains shoulder to shoulder contact with nozzle person.

Question 37

3 hydrant FF proper nozzle operation

Answer 37

If available, pin the hose to the ground a few feet behind the nozzle team. (not absolutely necessary)