*TB 21 and 130- Ladderpipe

Question 1

Angle of ladder inclination should preferably be ___ degrees from horizontal, and limited to not more than ___ degrees.

Answer 1

1. 75 degrees

2. 80 degrees

Question 2

Ladder extension limits for a 100 foot aerial is ___ feet

Answer 2

80 feet

Question 3

When flowing water from a ladder pipe, to stop the uncontrolled movement of the aerial ladder return the hoist control lever to _____. The nozzle man should immediately raise nozzle _______ to change the direction of nozzle reaction.

Answer 3

1. Neutral

2. Upward

Question 4

Load the line to the ladder pipe after ___ degrees elevation.

Answer 4

50 degrees

Question 5

Can ladder straps be utilized to secure the Akron 1495 ladder pipe onto the aerial?

Answer 5

No

Question 6

The hydro foam nozzle when used for the ladder pipe provides ___ GPM

Answer 6

660

Question 7

The 1 1/2” smooth bore nozzle when used for the ladder pipe provides ___ GPM

Answer 7

600

Question 8

The 1 3/4” smooth bore nozzle when used for the ladder pipe provides ___ GPM

Answer 8

800

Question 9

The 2” smooth bore nozzle when used for the ladder pipe provides ___ GPM

Answer 9

1000

Question 10

Ladderpipe:

The new pressures for the Ladderpipe include pumping through the cluster, 100’ of 3” hose, the ladder pipe assembly and tip, with the aerial ladder extended to ____ ft.

Answer 10

70ft

Question 11

Ladderpipe: what pressures for smooth bore nozzles?

2”=
1-3/4”=
1-1/2”=

Answer 11

190 psi

170 psi

150 psi

Question 12

Ladderpipe: what pressures for turbomaster nozzle?

1000 gpm?
750 gpm?
500 gpm?
350 gpm?

Answer 12

220 psi
180 psi
160 psi
140 psi

Question 13

Ladderpipe:

What “new” psi is pumped to the Hydro-foam nozzle?

Answer 13

175

Question 14

When positioning the aerial apparatus for a ladder pipe, jackknife the apparatus ___ degrees from in-line and away from direction of ladder extension

Answer 14

60 degrees