1) Which of these insulation materials is most flexible? a) Multi foil b) Cavity batts c) Polyisocyanurate d) Expanded polystyrene 2) Which of the following is installed to collect water for re-use? a) Septic tank b) Soakaway c) Water harvesting d) Ground water pumping 3) Which of the following is a term used when burning wood to create heat energy? a) Heat recovery b) Biomass heating c) Solar heating d) Ground source heat 4) Which of the following is the most environmentally friendly building material? a) Imported timber b) Reinforced concrete c) Locally sourced FSC timber d) Expanded polystyrene 5) What does the 2 represent in a concrete mix of 1:2:4? a) Water b) Cement c) Fine aggregate d) course aggregate 6) Which one of the following factors is considered when selecting foundation design? a) Wall construction b) Type of concrete used c) Cost of concrete d) Ground condition 7) Which of the following should not be disposed of in a general waste skip? a) Hardcore b) Plasterboard c) Brick rubble d) Soil 8) Which of the following ratios is used for setting out a right angle in a building? a) 1:2:3 b) 2:3:4 c) 3:4:5 d) 4:5:6 9) Which of the following makes up the bulk of a concrete mix? a) Course aggregate b) Retardant c) Cement d) Fine aggregate 10) The proximity of neighbouring buildings and tree roots must be considered when? a) Excavating the foundations b) Establishing a building line c) Establishing a frontage line d) Excavating the topsoil

Unit 202 b

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