Chapter 3

Question 1

In Fire-Resistive construction, the major collapse hazard(s):
A. Concrete roof collapse
B. Heated concrete ceiling collapsing downward
C. Heated fluted metal decks exploding concrete floors upward
D. Concrete wall collapse

Answer 1

B, C (Chap 3—Pg 17-18)

Question 2

Experience has shown that FFs operating hoselines cannot extinguish fires in floor areas over _ square feet?
A. 2500
B. 3000
C. 4000
D. 5000

Answer 2

D (Chap 3 Pg 18)

Question 3

In non-combustible/limited combustible construction, the major firefighting problem is:
A. Flat steel deck roof that can ignite
B. Combustible open web bar joist
C. Combustible girders and beams

Answer 3

A (Chap 3 Pg 18)

Question 4

In non-combustible/limited combustible construction, the major collapse hazard is roof cave-In cause by collapsing unprotected steel open web bar joist.
A. Agree
D. Disagree?

Answer 4

Agree (Chap 3 Pg 19)

Question 5

Non-combustible/limited combustible bldg IC should?
A. Have a FF check the roof covering for fire extension ASAP after the fire has darkened down
B. Order a company to the roof to see if the roof covering has ignited after the fire is extinguished

Answer 5

A, B (Chap 3 Pg 19)

Question 6

“Wood-Frame” construction incorrect?
A. The 2 side walls are usually bearing walls
B. The front and rear walls are usually non-bearing walls
C. The structural support of the side bearing walls are 2 x 4 inches in size
D. Fire burning through or against a front or rear wall is more likely to collapse the bldg than fire burning through several floors or the roof

Answer 6

D (Chap 3 Pg 21)

Question 7

Before leaving the scene of a fire in a building built of ordinary construction (Brick and Joist) what must you order a firefighter to do if fire was discovered in a concealed space?
A: Check the cockloft space above the top floor for fire
B: Check the cellar for fire
C: Check the soffits for fire
D: Check the nearby walls and other concealed spaces for fire

Answer 7

A
Choice D is done as soon as possible after the fire is extinguished
Chapter 3

Question 8

Major collapse hazard in wood frame construction is the combustible bearing walls composed of 2x4 inch studs. Correct for wood frame construction
A: The front and rear walls are usually bearing walls
B: Flames coming out several window openings of a front bearing wall should be treated with more caution than the flames coming out of several windows of the side non bearing walls
C: Fire burning through or against a front wall is more likely to collapse the building than fire burning through several floors or roof
D: Failure of a bearing wall will trigger simultaneous failure of the floors and roof

Answer 8

D
A- two side walls
B- side bearing wall, front non bearing walls
C- side wall
Chapter 3