1) Defects in wood can affect  a) Strength and Quality b) Length and Width c) None of the above 2) A knot in timber is where a) a virus happened b) a branch grew out c) the effects of weathering hapened 3) Shakes in timber is the result of a) growing too fast b) cold weather c) insect attack 4) Burr growth is found on which two trees a) sitka spruce and rosewood b) ash and mahogany c) oak and elm 5) Springing and warping are the effects of a) incorrect seasoning and warping  b) cold weather c) fungal attack 6) Cupping is the effect where  a) the timber shrinks b) the timber is stained c) the board appears as a curve 7) The effect bowing is due to a) poor stacking when seasoning b) bad weather c) timber being stained 8) End splitting in timber is a) poor stacking on shelves b) due to the boards being exposed to the sun and drying too quickly c) insect attack 9) The most common wood boring insect found in Ireland is a) woodworm b) powderpost beetle c) deathwatch beetle 10) The 2 main types of fungal attack are (2 answers) a) wet rot b) bog rot c) dry rot 11) Pressure Treatment is a way to a) remove water and apply a preservative b) treat fungal infection c) prevent warping 12) Lacquer is a finish most commonly used for a) exterior furniture b) interior furniture c) both A and B

Defects in Timber

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