WorksheetsStructural carcassing
Total questions: 16
Worksheet time: 8mins
1. Which of the following is the BEST method of storage for joist materials?
On the ground, evenly supported, well ventilated under a breathable cover.
On bearers, evenly supported, well ventilated under a breathable cover.
On bearers, evenly supported, well ventilated in the open.
On bearers, stacked tightly together, under a plastic sheeting.
What angle should the ladder be set to gain access to access to work at height?
65 degrees.
70 degrees.
75 degrees.
55 degrees.
The purpose of a drawing is to show what?
Repetitive design information.
Quality of materials and workmanship.
Sizes and layout.
Sequence of work.
Which of the following is a natural defect found in timber?
Cupping
Bowing
Springing
Knot
Where should a lifting sling be attached to the truss to enable it to be craned into position?
Node point
Ceiling tie.
Rafter feet
Apex
How far from the gable wall should the first truss rafter be positioned?
50mm
100mm
45mm
75mm
What type of eaves finishing would be used to slow the rain water before it reaches the guttering?
Flush eaves
Open eaves
Boxed eaves
Sprocket eaves
What name is given to a joist that spans from one wall to the other?
Trimmed
Trimmer
Bridging
Standard
. What is the HIGHEST risk when carrying out structural carcassing?
Inhalation of MDF dust.
Falling from height
Being hit by moving vehicles.
Trench collapse
The quality of the carcassing material will be stated in the:
Schedule
Bill of Quantities
Drawing
Specification
Which of the following saws would NORMALLY be used to cut a joist to length?
Tenon
Crosscut
Coping
Hack saw
Above what MINIMUM percentage of moisture content of timber can dry rot occur?
20%
15%
25%
30%
What is the MOST common method of supporting TGI JOISTS?
Steel hanger.
Restraint strap.
Built into brickwork.
Nailed to timber frame.
What is the MAIN advantage of erecting truss rafter roofs at ground level?
Reduce the need to work at height.
Quicker to erect roof.
More cost effective.
More area required to erect roof.
The verge to the gable end of the roof can be finished by using a:
Fascia
Barge board
Soffit
Toe board
Which of the following would be advantages of using herringbone strutting?
Wider span
Less rigidity
Prevents twisting.
All of these
