Chapter 13

Question 1

Most common tools for vertical ventilation:

(3)

p. 355

Answer 1

• Rotary saw
• Chainsaw
• Pickhead axe

Question 2

It is recomended that a clear space of at least ___ feet be maintained from anyone using a cutting tool. With exception of a guide/backup.

p. 355

Answer 2

10 feet

Question 3

The safest was to cut a roof is with short, strokes striking to the side of the firefighters feet, not between.

p. 359

Answer 3

True

Question 4

The most common roof stripping tools are:

(3)

p. 359

Answer 4

• Pick head
• pike pole
• rubbish hook

Question 5

The most common pitch of a rook in mild climates is:

p. 361

Answer 5

5-pitch

Question 6

Shed roofs may use this type of truss, which has only a single web member. These trusses may fail earlier than other trusses.

p. 364

Answer 6

Mono-pitch truss

Question 7

This type of roof has a double slope on each of it’s four sides.

p. 365

Answer 7

Mansard.

Modern mansard has a section of flat roof.

Question 8

This type of roof is a trussless arch made up of an interlocking geometric framework on which sheathing is laid.

p. 382

Answer 8

Lamella Arched Roof

Question 9

When ______% to ____% of a lamella arch roof burns away, the remainder is likely to fail.

p. 382

Answer 9

10-20%