1) Which of the following is a substrate? a) Emulsion. b) White spirit. c) Emery cloth. d) Bare plaster. 2) Which one of the following substrates is porous? a) Metal b) Glass. c) Plastic d) Timber 3) Which of the following materials is used for dry lining in construction? a) Blockboard. b) Concrete. c) Blockwork. d) Plasterboard 4) Which of the following is used to seal resin streaks in wood, to prevent bleeding? a) Shellac knotting. b) Varnish stain. c) Acrylic primer. d) Wood stain. 5) What is the tool shown in the image? a) Putty knife. b) Chisel knife. c) Filling knife. d) Hacking knife 6) What is the name of the process of covering joints in plaster board? a) Raking. b) Stopping. c) Dry lining. d) Smoothing 7) ‘Wetting in’ is an important process in the treatment of a) resin exudation b) metal corrosion c) plaster cracks d) nail holes 8) Which abrasive is most suitable to abrade filler in previously painted plaster? a) Silicon carbide paper. b) Garnet paper. c) Steel wool. d) Glass paper. 9) Which abrasive is used for wet abrading of previously painted surfaces? a) Aluminium oxide. b) Garnet paper. c) Silicon carbide. d) Glass paper. 10) It is important to degrease non-ferrous metals in order to a) prevent the formation of rust b) increase heat-resistance c) meet fire regulations d) increase adhesion. 11) The voltage of a hot-air gun used on a site environment to remove paint should be a) 110 V b) 240 V c) 360 V d) 415 V. 12) Potential hazards from fumes and dust can be reduced by preparing surfaces in a a) well ventilated area b) restricted area c) confined area d) sterile area. 13) Painting over greasy or very shiny surfaces may result in a) cissing b) blooming c) chalking d) bleaching. 14) Which of the following processes is most suitable to rectify old flaking paint? a) Degrease with emery cloth. b) Wash down with white spirit. c) Wet abrade with silicon carbide. d) Scrape and abrade with glass paper 15) The most suitable material to treat moss and lichen on exterior brickwork is a) hot water and sugar soap b) liquid paint remover c) stabilising solution d) fungicidal wash. 16) Which tool is used to remove rust from metal before painting? a) Hacking knife. b) Wire brush. c) Putty knife. d) Dusting brush. 17) Which substance aids in the removal of old wallpaper paste from a surface? a) Sugar soap. b) White spirit. c) Fungicidal wash. d) Stabilising solution 18) Raking out is part of a process when treating a) cracks in plaster b) open grained timber c) rust on ferrous metal d) open joints in joinery. 19) Rust on ferrous metal is treated by which of the following processes? a) Filling. b) Scraping. c) Stopping. d) Undercutting 20) Expanding foam is a material used for which of the following processes? a) Stopping. b) Wetting in. c) Undercutting. d) Raking out. 21) Which of the following tools should be used when raking out cracks in defective plaster? a) Filling knife. b) Screwdriver. c) Hacking knife. d) Scraper 22) When ‘making good’ cracks in plaster, why is it important to ‘undercut’ the crack? a) To remove any loose debris. b) To prevent the filler from shrinking. c) To give the filler holding power. d) To remove dust from the crack 23) Which of the following is most suitable as a stopper used in the ‘making good’ process? a) Grain filler. b) Paste filler. c) Putty. d) Caulk. 24) Before replacing defective putties on window frames the rebates are a) degreased b) dampened c) primed d) etched. 25) The most suitable primer for wood and metal surfaces prior to ‘making good’ is a) acrylic b) universal c) aluminium d) alkali-resisting

Preparing surfaces Level 1 B

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