1. Introduction to Timber Quiz

What is the term 'Timber' referring to?

• The outer skin or cover of the tree

• The trees after they have been cut down

• The thin radial fibers extending from pith to cambium layer

• The innermost central portion of the tree

Which type of trees grow inwards and have fibrous mass in their longitudinal sections?

• Conifers

• Deciduous

• Endogenous

• Exogenous

What is the main characteristic of Conifers trees?

• Yield hard woods

• Show distinct annual rings

• Bear cone shaped fruits

• Leaves fall in autumn

What is the process of drying timber or removing moisture called?

• Decay of Timber

• Conversion of Timber

• Seasoning of Timber

• Defects in Timber

Which type of seasoning requires few months to over a year and is done by the direct action of air, wind, and sun?

• Water Seasoning

• Artificial Seasoning

• Natural Seasoning

• Boiling Seasoning

What is the main disadvantage of Electric Seasoning for timber?

• Timber becomes brittle

• Timber is not suitable for construction

• Timber may split due to overheating

• Timber takes a long time to dry

Which defect in timber is indicated by patches of grayish stains and speckled with black?

• Twisted grain or fiber

• Knots

• Cup shakes or Ring shakes

• Dote or Doatiness

What is the main effect of decay on timber caused by a biological attack within the wood by certain species of fungi?

• Wet Rot

• Dry Rot

• Dote or Doatiness

• Circumferential Shrinkage

Which method of converting a log into planks involves sawing the log into four pieces first?

• Water Seasoning

• Slab Sawing

• Tangential Sawing

• Radial, Rift or Quarter Sawing

What is a property of good timber?

• It should be affected by wood rotting

• It should have a bright appearance and silky luster

• It should split when a nail is driven into it

• It should be free from knots