Amber Book Steel

Question 1

What is cold rolled steel used for?

Answer 1

cabling for bridges, bracing pre stressed concrete, metal studs. thin and strong

Question 2

What does adding carbon to iron do?

Answer 2

it increases strength but decreases ductility

Question 3

What are steel beam blanks?

Answer 3

rectilinear steel elements to be reheated and rolled to get the right shape

Question 4

What is the depth for a steel beam?

Answer 4

1/20th the span

Question 5

What is the depth for a steel girder?

Answer 5

1/15 the span

Question 6

What is the width of a beam or girder?

Answer 6

1/3 its depth

Question 7

What is the depth of an open web truss?

Answer 7

1/20th the span

Question 8

What is the depth for a roof?

Answer 8

1/24th the span

Question 9

What is the depth for metal decking?

Answer 9

1/24th the span

Question 10

What is the depth for a corrugated roof deck?

Answer 10

1/40th the span

Question 11

What is the depth for triangular trusses?

Answer 11

1/4 the span

Question 12

What is the depth for rectangular trusses?

Answer 12

1/8th the span

Question 13

What determines the size of a column?

Answer 13

the total area of the floor

Question 14

What does W12x45 mean?

Answer 14

Steel wide flange 12” deep by 45 pounds per linear foot (weight)

Question 15

What is a castellated beam?

Answer 15

made from a deep beam that is cut out and built with holes so it is lighter.

Question 16

What are the letters for structural tee, angles, channel and I beam?

Answer 16

WT, L, C and S

Question 17

What are 3 types of open web steel joists in order of longest to shortest span?

Answer 17

DLH, LH, K

Question 18

How much bigger is the hole than the bolt?

Answer 18

1/16”

Question 19

What is galling? How is it prevented?

Answer 19

tearing in steel. Prevented with washers

Question 20

What is a seated beam connection?

Answer 20

it is SHEAR NOT MOMENT

Question 21

What is coping?

Answer 21

cutting the flange so it fits

Question 22

What does a fully restrained connection look like?

Answer 22

Bars on top and bottom

Question 23

What does a partially restrained connection look like?

Answer 23

small angles

Question 24

What do shear studs do?

Answer 24

they connect the beam to a concrete floor

Question 25

Name 3 types of fabric enclosures/

Answer 25

Polyester coated w/PVC, glass fiber coated with PTFE, Glass fiber coated with Silicone.

Question 26

What is the maximum stories a steel structure can be unprotected from fire?

Answer 26

5 stories

Question 27

What are 7 ways to fireproof steel?

Answer 27

``` plaster on lath, water anti freeze, reinforced concrete, spray applied resistance material, sheet metal with insulating steel, gypsum board, intumescent paint ```

Question 28

What do drift pins do?

Answer 28

they hold steel in place when positioning it

Question 29

What are taglines?

Answer 29

ropes that attach to steel when installing

Question 30

What are staggered truss systems?

Answer 30

every other floor is a truss that holds the floor above and below. it makes column free, tall spaces.

Question 31

What applications are mild steel? cold rolled steel?

Answer 31

wide flange beam, rebar, angles vs cabling for bridges and metal studs

Question 32

What are back up bars for?

Answer 32

to prevent welding from going all the way through the beam

Question 33

What is a girt?

Answer 33

horizontal element on a facade that holds the panels

Question 34

What member does not need to be fireproofed?

Answer 34

lateral resisting members like bracing