1) What is mains water categorised as a) Drinking b) Wholesome c) Pure d) Hazardous 2) What scale measures the difference between Alkalinity and Acidity of water a) HP b) FP c) BP d) PH 3) What type of ground creates Soft Water? a) Moorland Peat more CO2 added b) Calcium Carbonate (Limestone CaCo3) c) Sandstone Contains CO2 d) Calcium Sulphate (Salt) 4) Name the process of Liquid being drawn horisontally or vertically between close serfaces a) Capillary Action b) Capillary Fraction c) Capillary Friction d) Capillary Attention 5) What type of metal is not magnetic? a) Non-Ferrous b) Ferrous c) Inert d) Alloy 6) What type of plastics cannot be reheated once cooled? a) MDPE b) Thermoplastic c) Thermosetting Plastics d) Ceramic 7) What is the measure of how well or badly a material reacts to being pulled or stretched before breaking? a) Malleable b) Tensile Strength c) Compressive Strength d) Shear Strength 8) What is Conduction? a) Heat travelling through a solid b) Heat moving through liquid or gas c) Heat transfering from one body to another without heating the space between d) Heat being retained by an outer material 9) What is Convection a) without heating the space between b) Heat being retained by an outer material c) Heat travelling through a solid d) Heat moving through liquid or gas 10) If a material can be deformed under compressive strength without fracturing, what property is it? a) Compressive strength b) Hardness c) Malleability d) Ductile

Plumbing Science

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