WorksheetsDay 91-Dec 29-Worksheet-Diploma-Timber part 1
Total questions: 15
Worksheet time: 11mins
Standing timber refers to:
Timber obtained after sawing
Timber obtained after seasoning
Timber obtained from a living tree
Timber converted into commercial sizes
Which of the following trees is endogenous in nature?
Teak
Sal
Deodar
Bamboo
Which characteristic correctly represents coniferous trees?
Broad leaves and dark colour
Indistinct annual rings
Needle-shaped leaves and soft wood
Hard wood and distinct medullary rays
Which type of wood is strong for direct pull but weak in resisting thrust and shear?
Hard wood
Soft wood
Converted wood
Seasoned wood
The innermost central portion of a tree is called:
Cambium
Sap wood
Medulla (Pith)
Heart wood
Which seasoning method uses high-frequency alternating current?
Boiling
Kiln seasoning
Water seasoning
Electrical seasoning
Rough timber is the timber obtained after felling a tree.
True
False
Cambium layer plays an active role in the growth of the tree.
True
False
The timber obtained after sawing and cutting into commercial sizes is called (a) timber.
Trees that grow outward and show annual rings are called (a) trees.
………..woods usually have distinct medullary rays.
(a)
The outer annual rings between heart wood and cambium layer are called (a) .
The thin layer of sap between sapwood and inner bark is called (a) .
The outermost protective covering of a tree is called (a) .
The radial fibres extending from pith to cambium layer are called (a) .
