1) The most common thickness of joist is? a) 50mm b) 75mm c) 100mm d) 125mm 2) The minimum bearing for joists is? a) 120mm b) 100mm c) 80mm d) 50mm 3) What is the maximum span of joists before needing intermediate support? a) 5.5m b) 4.5m c) 4.8m d) 4.2m 4) Joist that sit on two load bearing walls are called? a) trimmer joists b) trimmed joists c) bridging joists d) Steel beams 5) When notching joists holes must be kept_______ the size of the hole diameter apart.  a) 5x b) 10x c) 8x d) 3x 6) The ideal spacing between joists are? a) 600mm to 800mm b) 800mm to 1000mm c) 200mm to 400mm d) 400mm to 600mm 7) A roof that is free standing and has a single pitch is called? a) Gable end b) Lean-to c) Mono-pitch d) Hipped 8) The cut that joins the rafter to the wall plate is called? a) Birds mouth b) dogs mouth c) cats mouth d) beavers mouth 9) When notching joists to accommodate services, the notch should not deeper than? a) 1/4 of the depth b) 1/6 of the depth c) 1/8 of the depth d) 1/2 of the depth 10) which type of ground floor construction method helps with through ventilation? a) Hollow block walling b) Honeycomb sleeper wall c) English bond cavity wall d) solid block walling 11) Which roof type is double pitched with two slopes on each side? a) Gambrel b) double roof c) Mansard d) Hipped 12) what is the minimum strength class required for floor joists and rafters. a) C24 b) C18 c) C14 d) C16 13) What eaves would be used to slow down rainwater to help ensure it does not overshoot the gutter? a) open b) Closed c) Sprocketed d) Ventilated 14) How many times bigger does the fixing have to be in relation the the material being fixed. a) 2 and a half b) 3 and a half c) 4 and a half 15) What type of door is made up a series of timber boards joined together vertically a) Panelled b) Matchboarded c) Flush d) Fire door

flooring/roofing Level 2

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