Bk 29: Building Construction Questions

Question 1

Gable rafters are:
__x__
___ to ___ on center.

Answer 1

2x6

16 to 24 inches on center

Question 2

GABLE roofs may have a:
__x__ ridge board
or TWO __x__’s butted together.

Answer 2

1x6 ridge board

2x6s butted together

Question 3

What guage truss clips may be nailed to the bottom of every __ to __ trusses, on METAL GUSSET ROOFs?

Answer 3

18 gauge

every 3 to 5 trusses

Question 4

HIP Roof ridge board and rafters are usually what size or larger?

Answer 4

2x6 or larger

Question 5

What size are BRIDGE TRUSS members?

Answer 5

2x12

Question 6

what size are BOWSTRING ARCH TRUSS members? 2 sizes

Answer 6

2x12 or 2x14

Question 7

What size is the wood framing on a LAMELLA ARCH Roof?

Answer 7

2x12

Question 8

Total roof collapse on a LAMELLA may occur if what % of the roof is removed?

Answer 8

20%

Question 9

What diameter are TIE RODs on a TIED TRUSS ARCH Roof?

Answer 9

5/8” diameter

Question 10

What size are TIED TRUSS ARCH truss members?

Answer 10

2x12 or larger

Question 11

What size are TIED TRUSS ARCH rafters?

Answer 11

2x10

Question 12

What size are the rafters on a SAWTOOTH?

Answer 12

2x8

Question 13

What size is the STEM of a WOODEN I BEAM?

Answer 13

3/8”

Question 14

Nailing Blocks are spaced how many feet apart on a WOODEN I BEAM Roof?

Answer 14

4 ft.

Question 15

OPEN WEB ROOFs can span how many feet?

Answer 15

70 feet.

Question 16

What is the penetration of the prongs of 18 gauge Steel Metal Gusset Plates?

Answer 16

3/8”

Question 17

What is the spacing of LAM BEAMs on Panelized Roof?

Answer 17

12 to 40 ft.

Question 18

What is the size of Laminated BEAMs on a Panelized Roof?

Answer 18

6x36

Question 19

LAM BEAMs may be bolted together and provide lengths in excess of how many feet?

Answer 19

100 ft.

Question 20

What is the common size of PURLINs?

Answer 20

4x12

Question 21

What is the size of JOISTs on a Panelized Roof?

Answer 21

2x4

Question 22

What is the thickness of the decking on a Panelized Roof?

Answer 22

1/2” plywood

Question 23

Beam span supports of __ inch HOLLOW STEEL PIPE may be found on Panelized Roofs.

Answer 23

4 in

Question 24

Steel begins to lose it’s strength at what temperature?

Answer 24

1,000 degrees

Question 25

How thick are PRE-33 exterior walls?

Answer 25

about 13 inches

Question 26

How far above the roofline are PRE-33 parapet walls? How tall if used for a facade?

Answer 26

3 ft | 5 ft. for facade

Question 27

At least how thick are POST-33 exterior walls?

Answer 27

9 in.

Question 28

How thick is the BOND BEAM cap on lowered parapet walls over Public Ways and Exits?

Answer 28

4 - 6 inches

Question 29

Parapet Walls shall NOT be higher than how many inches on URM Buildings?

Answer 29

16 in.

Question 30

Rafter Tie Plates are installed every ____ ft. and attached to the roof rafter.

Answer 30

4 ft.

Question 31

Window frames are "set" to the inside of the wall, exposing approx. ___ inches of brick on URM buildings.

Answer 31

8 in.

Question 32

This type of construction can be classified as an "old type" of lightweight construction.

Answer 32

Bungalow Construction

Question 33

What size are the studs and rafters in BUNGALOW construction?

Answer 33

Rough Cut 2x3 or 2x4

Question 34

What size is the ridge board in BUNGALOW construction?

Answer 34

1 x 6

Question 35

OPEN WEB BAR JOIST: | Joists are spaced ___ ft. apart to accept ________ _______ decking.

Answer 35

8 ft. | corrugated metal

Question 36

OPEN WEB BAR JOIST: | Top and Bottom chords are made of ___ in. steel?

Answer 36

1/8"

Question 37

OPEN WEB BAR JOIST: | Web supports are made of solid ___ in. steel bar?

Answer 37

5/8"

Question 38

Tilt Up construction can be up to how many stories in height?

Answer 38

5 stories

Question 39

KING's ROW is every ___ to ___ row of bricks?

Answer 39

4 to 7

Question 40

Rafter Size: Sawtooth: ___x___ Tied Truss Arch: ___x___

Answer 40

Sawtooth: 2 x 8 Tied Truss Arch: 2 x 10

Question 41

Truss Size: Lamella: ___x___ Bridge Truss: ___x____ Tied Truss Arch: ___x___

Answer 41

Lamella: 2 x 12 truss Bridge Truss: 2 x 12 truss Tied Truss Arch: 2 x 12 truss or larger

Question 42

Robertson Decking: ____ __________ mixture of _____, cement, and occasionally ____ ______ pumped on top of corrugated metal decking ___ x ___ in. or ___ x ___ in. Wire Mesh to a thickness of ___ to ____ inches.

Answer 42

Air entrained mixture of sand, cement, and occasionally pea gravel. 4 x 4 in. or 6 x 6 in. 3 to 4 in.

Question 43

Mill and Timber structural members may be ___x___ inches for strength

Answer 43

8 x 8 in.

Question 44

What size are the Rafters on a Bridge Truss?

Answer 44

2 x 6 in.

Question 45

What size is the Top Truss of a OPEN WEB roof?

Answer 45

2 x 3

Question 46

When exposed to sufficient heat, Metal Beams can EXPAND ____ inches per 100 ft.

Answer 46

9 in.