- Building Materials - Section 1
- Building Materials - Section 2
- Building Materials - Section 3
- Building Materials - Section 4
- Building Materials - Section 5
- Building Materials - Section 6
- Building Materials - Section 7
- Building Materials - Section 8


Building Materials - Engineering
Q1: Knots in timber areA
defects caused by crushing fibres
B
splits radiating from the centre
C
speckled strains
D
signs of branches cut off.
ANS:D - signs of branches cut off. Knot- it shows the root branches which are broken or cut of the tree. |


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