1) What sits on the internal blockwork to enable us to fix truss' or rafters? a) Purlin b) Ridge c) Wall Plate d) Joist 2) How is the wall plate fixed to the internal blockwork? a) Plugged and screwed b) Nailed c) Glued d) Plate straps 3) What do we call the measurement between the wall plates? a) Gap b) Span c) Bridge d) Bearing 4) How do we fix truss' to the wallpates? a) Screws b) Dowells c) Glue d) Truss clips 5) At what 'centres' do we normally fix truss'? a) .200 to .350 b) .600 to .900 c) It doesn't matter d) .400 to .600 6) Where is the safest place to erect a trussed roof? a) At ground level b) On scaffolding c) In the factory d) There is no safe place 7) Which of these is not the name of a type of truss? a) Fan b) Fink c) Attic d) Surgical 8) Which of these is not the correct name for a roofing member? a) Ridge b) Common Rafter c) Jack Rafter d) Jill Rafter 9) Which of the following is not a type of roof? a) Dutch Barn b) Mansard c) Gable d) Hopped 10) What is this? a) Truss clip b) Diagonal bracing c) Plate strap d) Wall tie 11) Which of the following is not used to form an 'opening' in a roof? a) Trimming b) Trimmer c) Bridging d) Trimmed 12) Where are Truss' made? a) On site b) In a Factory

Trussed roofing quiz

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