PAPER III: KUF 363- WOOD SCIENCE AND TECHNOLOGY-

Wood structure-gross structure of wood, bark, sap wood, heartwood and pith, early wood, late wood, growth rings, grain, texture and identification of wood. Physical properties of wood-weight, density, reaction of heat, sound, light and electricity on wood, thermal expansion, moisture content,
porosity, colour, permeability and wood working qualities, Mechanical properties of woodinfluencing factors strength, hardiness, flexibility, elasticity, fissility and combustibility, Defects of wood during processing, manufacturing, seasoning; wood destroying agents; Seasoning of wood- principles and methods, air, solar and kiln seasoning; Wood preservation-causes and methods, Different preservatives and their properties.