What Do You Know About Timber?
10 Questions
| Attempts: 900
Timber is a type of wood that has been processed into beams and planks, a stage in the process of wood production. What are some f the things this is used for?
Questions and Answers
- 1.
.................... this defect is indicated by the marks or signs placed by chips on the finished surface of timber- A.
Torn grain
- B.
Light mark
- C.
Small mark
- D.
Chipmark
- 2.
.......is improper sawing of timber
- A.
Torn grain
- B.
Diagonal grain
- C.
Wane
- D.
Clearing
- 3.
..........is when a small depression is made on the finished surface due to falling of some tool
- A.
Chipmark
- B.
Diagonal grain
- C.
Torn grain
- D.
Clearing
- 4.
To avoid decay and termite infestation, untreated wood is separated from the ground and other sources of ............
- A.
Air
- B.
Oil
- C.
Moisture
- D.
Paints
- 5.
Wood can be treated with a ............ that improves service life under severe conditions without altering its basic characteristics.
- A.
Fungi
- B.
Machines
- C.
Tools
- D.
Preservatives
- 6.
........... presence of original rounded surface in the finished product
- A.
Chip mark
- B.
Wane
- C.
Diagonal garin
- D.
Torn grain
- 7.
Fungi attack timber when these conditions are all present except
- A.
Oxygen (O2) is present
- B.
The environment is sufficiently warm
- C.
When the wood is oiled
- D.
The timber moisture content is above 25% on a dry-weight basis
- 8.
Which of the following is engineered timber?
- A.
Planed timber
- B.
Glulam beams
- C.
Logs
- D.
Split logs
- 9.
Logs are converted into timber by being the following except
- A.
Split
- B.
Hewn
- C.
Sawn
- D.
Scrapped
- 10.
A side-cut timber without any pith is known as.......
- A.
Free of heart center
- B.
Free of knots
- C.
Heart center
- D.
Boxed heart
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