Chapter 2

Question 1

Corner Safe Areas are four flanking zones around a burning building–where if the 4 brick walls collapse and cover the ground with bricks, there are 4 corner safe areas with fewer bricks.
A. Agree
D. Disagree

Answer 1

A

Question 2

Gravity load is:
A. Dead load only
B. Live load only
C. A combination of dead load and live load

Answer 2

C

Question 3

Which definition is incorrect?
A. Fluted metal steel deck is a wavy piece of sheet steel deck used to support a concrete floor
B. Purlin is a timber laid horizontal & perpendicular to support the common roof rafters
C. A bridge truss is a perpendicular truss used in steel bar truss floor systems to provide lateral support
D. Global collapse means a large, but not total collapse of a building

Answer 3

D Global Collapse is a total collapse of area

Question 4

In balloon construction, which wall will fall straight out, in one section, at a 90-degree angle?
A. Non-bearing wall
B. Bearing wall

Answer 4

A (Chap 2—Pg 6)

Question 5

Wood braced frame construction often fails how?
A. 90-degree angle wall collapse
B. Inward outward wall collapse

Answer 5

B (Chap 2—Pg 6)

Question 6

Examples of impact load
A. An explosion
B. Master stream directed in a whipping manner
C. Large, heavy contents on a floor of a building
D. A firefighter running up a fire escape

Answer 6

A, B (Chap 2—Pg 11)

Question 7

A stress placed on a structural member by the pull of forces causing extension is?
A. Compression
B. Tension
C. Shear
D. Vibration

Answer 7

21. B (Chap 2—Pg 11-12)

Question 8

Which is true about steel?
A. It is strong in compression strength only
B. It is strong in tension strength only
C. It is strong in both compression and tension strength
D. It is not strong in compression or tension strength

Answer 8

C

Question 9

Correct about concrete?
A. It is strong in compression strength only
B. It is strong in tension strength only
C. Strong in both compression and tension strength
D. Not strong in compression or tension strength

Answer 9

A

Question 10

Primary structural members except?
A. Bearing Walls
B. Columns
C. Girders
D. Header beams
E. Hip Rafters
F. Trimmer beams
G. Tail Beams
H. Ridgepole

Answer 10

G (Chap 2—Pg 13-14)

Question 11

Walls incorrect?
A. Parapet wall is a free-standing wall
B. Party wall is a non-bearing wall
C. Fires may spread via a party wall where the beams abut
D. Veneer wall can collapse in a curtain wall fashion

Answer 11

B (Chap 2—Pg 15) Party wall is a bearing wall

Question 12

The vertical collapse zone is generally considered to be?
A. The height of the wall
B. 1 ½ times the height of the wall
C. Twice the height of the wall
D. 2 ½ times the height of the wallet

Answer 12

A (Chap 2—Pg 16)

Question 13

In chapter 2 of Chief Dunn's book, he lists several structural elements used in building construction such as 1) Floor beams......2) Non bearing walls......3) Bearing walls......4) Columns.......5) Girders........6) Headers......7) Hip Rafters.......8) Ridgepoles.......9) Trimmer beams.......10) Roof beams.........Which of the following would Chief Dunn consider Primary Structural Elements?
A: 1, 2, 3, 4, 5, 6, 7
B: 2, 4, 5, 6, 8, 9, 10
C: 3, 4, 5, 6, 7, 8, 9
D: 1, 3, 4, 7, 8, 9, 10

Answer 13

C ch 2

Question 14

Incorrect definition.
A: Progressive Collapse is the initial structural failure that spreads from structural element to structural element resulting in a collapse of the entire structure or a disproportionately large part of it
B: Demising Wall is a bearing wall that extends from a floor slab to the floor slab above
C: Gravity Load is a combination of dead load and live load
D: Corner Safe areas are the 4 flanking zones around a burning building

Answer 14

B Demising Wall is a partition wall

chapter 2