front 1 When lifting trusses over 30 feet long a _______________ must be used. | back 1 spreader bar |
front 2 When unloading trusses with a crane, the operator should NOT | back 2 lift by web member |
front 3 The minimum size lumber used as Lateral Restraint and Diagonal Bracing for wood trusses is | back 3 2 x 4 |
front 4 If a wood truss has a rise of 6’, the maximum out-of-plumb tolerance is | back 4 1 1⁄2” |
front 5 A 25 foot truss should not be installed if it has an overall bow that is greater than | back 5 1 1⁄2” |
front 6 _______________ is the proper placement of plywood when stacking on trusses? | back 6 next to load bearing wall and perpendicular to the truss |
front 7 Using _______________ nails at each nailing point is the proper way to nail diagonal web bracing. | back 7 2 – 16d |
front 8 _______________ is the maximum allowable spacing for diagonal bracing along top chords. | back 8 20’ |
front 9 How much load can be placed on unbraced trusses? | back 9 ![]() None of the above |
front 10 If jobsite modification of a truss is needed | back 10 Consult the designer/engineer |
front 11 _______________ is the maximum allowable spacing for diagonal bracing along bottom chords? | back 11 15’ |
front 12 _______________ are not marked in any way to identify the frequency or location of temporary installation restraint/bracing. | back 12 Trusses |
front 13 What kind of bending should be avoided when unloading trusses? | back 13 lateral |
front 14 _______________ size should be determined by weight and size of trusses to be hoisted. | back 14 Crane |
front 15 How many lift points should you have for truss bundles with Top Chord Pitch greater than 60 degrees? | back 15 3 |
front 16 _______________ ground bracing tie off trusses to a series of braces that are attached to stakes driven in the ground. | back 16 Exterior |
front 17 _______________ plane requires temporary/permanent diagonal bracing. | back 17 Web member |
front 18 How often should you cut or drill a structural member of a Truss? | back 18 Never |
front 19 _______________ is/are the horizontal distance(s) between outside edges of exterior bearings. | back 19 Truss span |
front 20 What is truss heel height? | back 20 Vertical depth at the outside face of bearing |
front 21 What are trusses specially designed to carry extra loads from framing and equipment? Girders | back 21 Girders |
front 22 Toe _______________ is often used to connect corner and end jack trusses together. | back 22 Nailing |
front 23 _______________ is a solid member placed between structural members, usually at the bearings. | back 23 Blocking |
front 24 _______________ is a roof having 2 slopes on each side of the peak , the lower slope usually steeper than the upper. | back 24 Gambrel |
front 25 For 2 x 6 or greater lateral restraint and diagonal bracing, use a minimum of | back 25 3 nails |