Identify the type of failure of timber specimen under compression strength parallel to grain.
1
Failure usually occurs in specimens having internal defects prior to test and shall be the basis for culling the specimen.
2
The direction of the split, that is whether radial or tangential, shall be noted.
3
Failure usually occurs in cross-grained pieces and shall be the basis for culling the specimen.
4
Failure usually associated with either an excess moisture content at the ends of the specimen, improper cutting of the specimen or both.
5
Question Not Attempted