Which of the following metamorphic rocks has the most weather resisting characteristics ?
The moisture content in a well seasoned timber is_______________?
Assertion A : Shishum is used for decorative woodwork. Reason R : Shishum can be polished to an excellent finish. Select your answer according to the coding system given below ?
Which of the following represents a metamorphic rock? (1) slate (2) shale (3) quartzite . The correct answer is___________?
In which of the following directions, the strength of timber is maximum ?
The disease of dry rot in timber is caused by_____________?
The radial splits which are wider on the outside of the log and narrower towards the pith are known as________________?
Which of the following trees yields hard wood ?
In which of the following pairs both trees yield soft wood ?
Sapwood consists of______________?