Interior Systems and Door Frames

Question 1

Structural load bearing steel framing can be fastened together using?

Answer 1

Spec’d screws and tack welds

Question 2

How can non-loadbearing steel framing be fastened together?

Answer 2

Tack welds, self tappers (wafer screws) and crimping

Question 3

Drywall or paneling should be installed to the open face of a stud first for what reason?

Answer 3

Keeps the stud from twisting when installing the next panel.

Question 4

Corners and intersections in steel stud framing can be done more economically utilizing what?

Answer 4

Pass though corners and intersections. 3 studs brought down to 2.

Question 5

What direction does resilient channel get installed?

Answer 5

At right angles to the studs or joists, and nail flange facing down on walls. Facing up creates waves in finish.

Question 6

How far through steel studs should fasteners pass through?

Answer 6

Min 3/8” (10 mill)

Question 7

Alignment of gypsum board joints at openings should be?

Answer 7

300 mm min from corners to prevent cracking.

Question 8

Screw spacing from edge of gypsum board?

Answer 8

3/8” (10 mm)

Question 9

Screw bit used in drywalling to stop the screw at the right depth and compress the paper around it for easier finish.

Answer 9

Dimpler bit

Question 10

When lumber shrinks behind fastened drywall leaving a space between the materials can create what when pressure is put on the wall?

Answer 10

Nail popping

Question 11

What is Gypsum lath.

Answer 11

Comes in 400 x 1200 mm boards 10 to 12 mm thick and is commonly a base for plaster

Question 12

Metal lath

Question 13

What is a plaster ground?

Answer 13

Narrow strips of wood that acts as an edge for screeding (striking off) plaster to the correct thickness. Used to keep applications smooth and level

Question 14

On a suspended tile ceiling, how many cross Ts are needed compare to amount of tiles?

Answer 14

Same amount of cross Ts as there are tiles.

Question 15

On a suspended tile ceiling, what must be taken into account for the perimeter tiles?

Answer 15

Should be more then half a tile for the edges.

Question 16

Who is required to design structures of loadbearing steel stud construction?

Answer 16

A qualified engineer

Question 17

What gauges of steel are used for loadbearing steel stud components?

Answer 17

Hot-dipped galvanized steel in 20, 18, 16 and 14 gauges

Question 18

How tight should adjacent gypsum board panels be?

Answer 18

Not required to be tight but cannot exceed 3mm.

Question 19

Drywall is installed on ceilings before it is installed on walls.

Answer 19

True

Question 20

What is the correct method for cutting gypsum board for electrical boxes using a spiral saw?

Answer 20

Run the bit counter clockwise around the outside edge of the box

Question 21

What is the minimum length screw that must be used to attach the metal stud system to a building?

Answer 21

38mm 1 1/2”

Question 22

What side does the cross T clip into the main T on a suspended ceiling?

Answer 22

Left side and then the other side will clip into it.

Question 23

How many anchors are required for knock-down steel jamb legs?

Answer 23

4 in total. two compression anchors on top and two base anchors

Question 24

Order of install for knock-down steel jambs.

Answer 24

Header
Hinge leg
Strike leg
Pull down header and secure
Compression anchors
Adjust