- (A) cambium layer
- (B) annular rings
- (C) medullary rays
- (D) heart wood
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- (A) 3.5 N/mm2
- (B) 7.0 N/mm2
- (C) 10.5 N/mm2
- (D) 14.0 N/mm2
- (A) 5%
- (B) 15%
- (C) 25%
- (D) 35%
- (A) log
- (B) batten
- (C) plank
- (D) baulk
- (A) 0°
- (B) 30°
- (C) 45°
- (D) 90°
- (A) 15%
- (B) 20%
- (C) 22%
- (D) 25%
- (A) to impart plasticity
- (B) to make the brick durable
- (C) to prevent shrinkage
- (D) to make the brick impermeable
- (A) less than one year
- (B) 1 to 5 years
- (C) 5 to 10 years
- (D) more than 10 years
- (A) has good strength along the panel only
- (B) can be spilt in the plane of the panel
- (C) has greater impact resistance to blows than ordinary wood
- (D) cannot be bent more easily than ordinary wood of same thickness
- (A) greater tensile strength in longer direction
- (B) greater tensile strength in shorter direction
- (C) same tensile strength in all directions
- (D) none of the above
