Timber ke questions

1- Defects caused is young tress due to wind action
A- Twisted fiber
B-Ring galls
C-wet rot
D-radial shakes

2- Defects caused due to alternate wet and drying
A-Dry rot
B-wet tot
C-Heart rot
D-knot

3- Defects only confined to sapwood
A-star shakes
B-cup shakes
C-radial shakes
D-ring shakes

4- Defects caused due to swelling action timbers
A-durxinase
B-knots
C-ring galls
D-rupture

5- Outer most of timber is known as
A-votex
B-cabium layer
C-cortex
D-medullar rays
E-all of these

6- Specific gravity of timber
A-3
B-1.5
C-2.5
D-2.65

7- Defects caused due to alternate wet and drying
A-Dry rot
B-wet tot
C-Heart rot
D-

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