TB 21 - Ladderpipe Operation

Question 1

Ladder pipe operations are designed to be performed without the necessity of assigning specific duties other than a few obvious exception such as which positions on the truck?

Answer 1

Apparatus operator and tillerman

Question 2

For jackknifing, you should jackknife apparatus at what degree from in line and away from direction of ladder extension?

Answer 2

60 degrees

Question 3

Angle of ladder inclination should preferably be 75 degrees from horizontal and limited to not more than what degree?

Answer 3

80 degrees

Question 4

What is the aerial ladder extension limits for 100 and 85 foot aerials?

Answer 4

100 feet - 80 feet

85 - 65 feet

Question 5

Maintain at least what psi on the cylinder pressure gauge to overcome nozzle reaction?

Answer 5

100 psi

Question 6

For overcoming nozzle reaction, any movement of the hoist control lever will cause the ladder to rise toward what position?

Answer 6

Vertical

Question 7

To stop the uncontrolled movement of the aerial ladder return the hoist control lever to what position?

Answer 7

Neutral

Question 8

The nozzleman should immediately raise the nozzle upward or downward to change the direction of nozzle reaction?

Answer 8

Upward

Question 9

For any excessive movement, a man shall remain at the shut offs, the water shall be turned what gradually to avoid causing a violent whip of the aerial ladder?

Answer 9

On and off

Question 10

You should do what with the nozzle-member through the intercom before starting any ladder movement?

Answer 10

Notify

Question 11

To provide protection for the nozzle member, have a firefighter part way up the ladder with what size line loaded preferably supplied from a second source?

Answer 11

1 1/2” or 1 3/4”

Question 12

An alternative protection line is what size hose from the ground?

Answer 12

2 1/2”

Question 13

Load the line to the ladder pipe after what degree elevation and as soon as possible?

Answer 13

50 degrees

Question 14

Seagrave ladder pipes have approval to flow what gpm and what psi?

Answer 14

800 gpm @ 80 psi

Question 15

LTI apparatus may use the Akron turbo spray nozzle, they shall be limited to what gpm setting when used on the ladder pipe?

Answer 15

750 gpm

Question 16

According to the training bulletin, limit the straight stream nozzle tip size to what?

Answer 16

1 3/4”

Question 17

Where should the hose straps be secured on the aerial ladder?

Answer 17

5 feet below ladder pipe assembly

2nd strap near the base of the fly section

Question 18

The 2nd ladder strap should be placed near the base of the fly after the ladder pipe is what?

Answer 18

In operation

Question 19

Another method of securing the ladder pipe hose is to attach 2 hose straps to where?

Answer 19

Appropriate reinforced rungs on fly section prior to raising aerial ladder

Question 20

When the ladder pipe is in operation from an unsupported aerial ladder, how many members are limited on the fly?

Answer 20

1 member

Question 21

The engineer shall pump what psi above the desired pressure before flowing water? (Not in updated TB)

Answer 21

25 to 40 psi

Question 22

When using the fog hog always do what with the stream straightener (not in update TB)?

Answer 22

Remove

Question 23

The engineer shall pump what pressure above the desired pressure before flowing water? (New procedures)

Answer 23

30 psi