A) The dry air from the roof space
B) The moist air from the roof space
C) The toxic air from the roof space
D) The warm air from the roof space
E) The cold air from the roof space
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A) They are laid to a shallower pitch
B) They are less permeable
C) They incorporate an interlocking joint
D) They have a larger gauge
E) They have a sanded finish
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A) It is only available in grey
B) It is not as weatherproof as clay tiles
C) It cannot be fixed to trussed rafters
D) It cannot be laid to a pitch greater than 300
E) It is expensive to purchase
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Correct Answer
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A) Natural slate valley tiles have low durability
B) Natural slate valley tiles are not available
C) Natural slates are too heavy to be supported by valley rafters
D) Clay valley tiles are very expensive
E) The roof has a lower pitch than a clay tiled roof
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Correct Answer
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A) The tiles do not need to be nailed to the battens
B) Heat cannot escape from the roof
C) Birds and insects cannot enter the roof
D) Water cannot drain away from the roof
E) The wind can produce eddies across the roof
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A) To bond the tiles to the rafters
B) To bond the battens to the rafters
C) To bond the tiles to the battens
D) Prevent wind driven rain entering the roof
E) Prevent interstitial condensation from leaving the roof
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D
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A) Have a bonded side lap
B) Have a bonded head lap
C) Have an overlapping edge joint
D) Have a nib for hooking onto the battens
E) Are laid to steeper pitches
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A) Enable the condensate within the flue to evaporate
B) Enable the flashing to be dressed beneath the roof tiles
C) Enable a gutter to be formed at the rear of the chimney stack
D) Maintain the minimum height of 150mm above the roof covering
E) Prevent efflorescence in the brickwork of the chimney stack
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Correct Answer
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A) Oval nails
B) Countersunk screws
C) Gang nail plate connector
D) Split ring connector
E) Plywood gusset
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Correct Answer
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A) Friction between tiles caused by thermal movement
B) The thickness of the tile
C) The length of the tile
D) Capillary movement of water between tiles
E) The spacing between tiles
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A) The floor to ceiling height of the room below
B) The span of the roof
C) The superimposed loading on the roof
D) The live loading on the roof
E) The spacing of the rafters
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Correct Answer
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A) They are easily deformed on site
B) They are made from tropical hardwoods
C) They can be cut on site to the required lengths
D) They do not require bracing
E) They are quick to install
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Correct Answer
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A) The hip rafter and the wall plate
B) The hip rafter and the ridge
C) The valley rafter and the wall plate
D) The valley rafter and the hip rafter
E) The wall plate and the ridge
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Correct Answer
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A) An enhanced appearance to the roof
B) Swifter drainage of rainwater off the roof than a plain tile
C) A stronger joint to the ridge tile
D) A firmer joint to the hip tile
E) Better resistance to the spread of flame across the roof
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A
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A) Rigid
B) Permeable
C) Fragile
D) Transparent
E) Malleable
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E
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A) Transfer the load from the rafters to the walls
B) Prevent the rafters from spreading at their bases
C) Provide a fixing for the roof covering
D) Support the ridge board
E) Support the wall plate
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Correct Answer
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A) The ceiling joists to the binders
B) The rafters to the ceiling joists
C) The binders to the ridge board
D) The ridge board to the rafters
E) The ceiling joist to the wall plate
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Correct Answer
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A) Second rafter
B) Third rafter
C) Fourth rafter
D) Fifth rafter
E) Sixth rafter
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Correct Answer
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A) Additional thermal insualtion between the struts
B) Additional sound insulation between the struts
C) Additional fire insulation between the rafters
D) Additional thermal insulation between the rafters
E) Additional sound insulation between the rafters
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Correct Answer
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A) The ceiling joists
B) The hangers
C) The binders
D) The ridge board
E) The rafters
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Correct Answer
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