TB 62 - 2" High Rise Hose Packs

Question 1

This hose is made of a ______

Answer 1

Single jacket construction utilizing nitrile rubber impregnated synethic yarn as the cord material

Question 2

The hose comes in ______ and is _____ to reduce wear and increase grip.

Answer 2

50’ lengthes with 1 1/2” couplings and is ribbed.

Question 3

The shoulder of the couplings are _____ to reduce ______.

Answer 3

Tapered to reduce snagging on furniture, door frames and other obstacles.

Question 4

Is it more susceptible to damage than double jacketed hose?

Answer 4

Yes

Question 5

Has a tendency to incur _______

Answer 5

very small punctures when used around broken glass and sharp objects.

Question 6

These punctures will not ______ under extreme pressure.

Answer 6

will not tear or increase in size even

Question 7

Benefits of this hose is

Answer 7

ability to resist kinks.

Question 8

Under pressure the hose can be bent to within ____ before it will kink.

Answer 8

12”

Question 9

Nozzle pressure/ FL/ GPM

Answer 9

75 psi of np / 35 psi of FL per 100’ of 2” hose / 200 GPM

Question 10

A companys complement will consist of ___

Answer 10

Two complete 100’ hose packs and one pig tail assembly.

Question 11

Each hose pack consist of :

Answer 11

Two 50’ sections of lightweight blue hose / one 1 1/2” complete 200 gpm spray nozzle / one 2 1/2” x 1 1/2” reducer / five 2’ ladder straps

Question 12

Pigtail assembly consists of :

Answer 12

One 8’ section of lightweight 2 1/2” hose / one 2 1/2” to 1 1/2” gated wye / one lightweight folding spanner / two ladder straps / one 2 1/2” 60 degree elbow

Question 13

When making the hose pack place the female coupling of the first section of hose about ____ below the gauge of the bottle.

Answer 13

ten inches and attach the reducer to the female coupling.

Question 14

When making the hose pack, attach the nozzle and position it at the ______

Answer 14

base of the pack on the same side as the female coupling you began the pack with.

Question 15

To secure the hose pack, place a strap about _____ above the bottom of the pack on each side.

Answer 15

8 inches.

Question 16

Placing the straps the 8 inches or so above the folds will help prevent

Answer 16

permanent kinks in the hose.

Question 17

Inbetween straps are placed at _____ to hold the pack together.

Answer 17

convenient locations

Question 18

The packs will weight _____ compared to 64 pounds for 100’ of the old 2 1/2” lightweight hose.

Answer 18

38 pounds

Question 19

Approximate dimensions for single layer pack

Answer 19

40” tall by 22” wide for a single layer pack

Question 20

Approximate dimensions for a double layer pack

Answer 20

32” tall by 16” wide

Question 21

Pigtail assembly weights

Answer 21

10 pounds

Question 22

Assembling the pigtail, it is made by rolling the ____ inside the hose and elbow.

Answer 22

gate wye

Question 23

Two straps used for?

Answer 23

short strap secures the pigtail capturing the lightweight spanner, longer strap used as a carrying handle.

Question 24

Combination Class III means

Answer 24

that the 1 1/2” interior wet standpipes for use by the occupants is supplied by the same riser as the 2 1/2” outlets for our use.

Question 25

Class III may also have 2 1/2” hose with a 1” straight tip in hose cabinets located in _____

Answer 25

stairwells above the fourth floor.

Question 26

Primary reason we have the pigtail?

Answer 26

The pigtail allows you to connect to the outlet which is located in a recessed cabinet.

Question 27

Combined Standpipe Sprinkler System use the

Answer 27

Same rise to supply FD outlets and the sprinkler system.

Question 28

Dry standpipes have outlets that are adjacent to the fire escape or in an enclosed stairwell to meet

Answer 28

seismic criteria

Question 29

Extending off of 1 3/4” friction loss will be

Answer 29

50 PSI per each 100’ of 1 3/4”

Question 30

Extending off of 1 1/2” friction loss will be

Answer 30

Approximately 130 PSI per each 100’ of 1 1/2”

Question 31

Orifice plates are used to reduce

Answer 31

the flow of water supplied from a particular outlet.

Question 32

Size of orifice is determined by

Answer 32

the static pressure on the supply side of an outlet

Question 33

Due to gravity’s effect on the water, the higher pressures will be found on the

Answer 33

lower floors of a building.

Question 34

Orifice plates do not regulate pressure , it ____

Answer 34

restricts flow

Question 35

Orifice plate locations:

Answer 35

Soldered to the outlet / behind the gasket on the drip cock / soldered to the male end of the drip cock / behind the gasket on the 2 1/2” hose

Question 36

Removal of the orifice plate is ____

Answer 36

recommended to get max flow

Question 37

Orifice plates are designed to restrict flow to

Answer 37

200 GPM at a minimum of 50 psi residual pressure.

Question 38

Hose lay : FF attaches the pigtail assembly _______ to the outlet and then the female hose coupling to the wye.

Answer 38

without the elbow.

Question 39

If orifice plate has been removed, the outlet should be

Answer 39

opened one and one-half turns, then adjusted from there

Question 40

If orifice plate has not been removed, the outlet should be

Answer 40

opened fully

Question 41

Removing the orifice plate will allow the gate valve to used as an

Answer 41

adjustable orifice plate

Question 42

Pressure Reducing Valve found when

Answer 42

the pressure exceeds 150 PSI

Question 43

It is possible in new construction to encounter orifices plates on the upper flows where the system pressures falls below

Answer 43

150 PSI

Question 44

On combined standpipe sprinkler system you can find orifice plates on the

Answer 44

top 6 to 8 floors

Question 45

After each use __

Answer 45

scrub the outlet jacket to free it of dirty and fire debris

Question 46

Service test pressure for the hose is

Answer 46

300 PSI