What causes dry rot in timber?
How many types of shakes are there?
—defects is indicated by red/yellow tinge in wood.
A good preservative should:
Diagonal grain is a defect formed due to improper:
A crack which separates wood fibres is called:
Which of the below is a natural defect occurring in timber?
Which of the below preservative, with their examples correctly match?
Which of the following is not a cause of the decay of timber?
The defect indicated by curvature formed in a transverse direction is:
Which method of application of preservative is suitable for moist timber?
Which of the following makes the timber look sound but might fail it without pre-warning?