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WorksheetsConversion
Total questions: 38
Worksheet time: 22mins
Why are tree logs converted?
To allow drying to occur quicker
To allow them be used as timber
To assess the quality of the wood
All of the above
What type of conversion method is shown above?
Through and through
Quarter sawn
Tangential sawn
Rough sawn
What is timber conversion?
Converting wood to projects
Converting seeds to trees
Converting logs to boards
Converting land to forestry
What method of Timber conversion is shown above?
Rough sawn
Tangential sawn
Quarter sawn
Through and through sawn
What method of conversion is shown above?
Through and through
Quarter sawn
Rough sawn
Tangential sawn
Check all the advantages of converting logs by through and through sawn
Fast
Low cost
Stable boards
Little waste
Check all the correct advantages for converting logs by quarter sawn;
Attractive grain
Stable boards
Little waste
Quick
Check all the disadvantages of tangential conversion:
More waste
Boards prone to cupping
Higher cost
No attractive grain pattern
Flame grain is displayed on boards converted by which method?
Tangential sawn
Through and through
Quarter Sawn
All of the above
Radial sawn conversion is another name for?
Plain sawn
Through and through sawn
Quarter sawn
Tangential sawn
What is conversion in the timber industry?
Treating timber to prevent insect infestations
Shaping timber into decorative carvings and sculptures
Changing the color of timber through chemical processes
Sawing logs into boards or planks
When do we usually conduct the timber conversion process?
Summer
Winter
Spring
Autumn
Which type of wood takes longer to mature
Hardwood
Softwood
What do we take into consideration when converting timber?
Local availability of construction materials
Species of wood
Intended use of wood
Quality of the tree
Which type of sawn timber is the best for strength
Through and Through (Live Sawn)
Box Heart
Quarter Sawn
Tangentially Sawn (Back Sawn)
Which sawing method is the most economical?
Through and through (Live sawn)
Quarter sawn
Tangential sawn (Back sawn)
Boxed heart sawn
Which type of sawn timber generates very little waste?
Through and through (Live sawn)
Quarter sawn
Tangential sawn (Back sawn)
Boxed heart sawn
Which sawn timber type is prone to shrinkage and distortion?
Through and through (live sawn)
Quarter sawn
Tangential sawn (back sawn)
Boxed heart sawn
Which type of sawn timber creates the strongest timber?
Through and through (live sawn)
Quarter sawn
Tangential sawn (back sawn)
Boxed heart sawn
Which type of sawn timber produces the best quality timber?
Through and through (live sawn)
Quarter sawn
Tangential sawn (back sawn)
Boxed heart sawn
Which type of sawn timber is the most expensive?
Through and through (live sawn)
Quarter sawn
Tangential sawn (back sawn)
Boxed heart sawn
Disadvantages of Quarter Sawn (tick as many as suitable)
Lots of waste produced
Expensive
Ugly grain pattern
Narrow boards produced
Widest possible board obtained
Advantages of Tangential Sawn (tick as many as suitable)
Attractive flame grain pattern
Can be used for structural timber
Boards wont split easily with nails
Unlikely to Cup
Widest possible board obtained
Disadvantages of Tangential Sawn (tick as many as suitable)
Lots of waste produced
boards can cup
Ugly grain pattern
Narrow boards produced
Widest possible board obtained
Check all the disadvantages of tangential conversion:
More waste
Boards prone to cupping
Higher cost
No attractive grain pattern
Radial sawn conversion is another name for?
Plain sawn
Through and through sawn
Quarter sawn
Tangential sawn
The term that describes cutting down trees is....
chopping
felling
knocking
conversion
The process of converting (cutting) logs into boards of usable timber is called....
Boarding
Conversion
Cutting
Planking
Why are tree logs converted?
To allow drying to occur quicker
To allow them be used as timber
To assess the quality of the wood
All of the above
Ash is a
Hardwood
Softwood
Manmade Board
Pine is a
Hardwood
Softwood
Manmade Board
Hardwoods come from (a) trees that shed thier leaves in the winter.
Softwoods come from (a) trees that grow in colder climates.
Softwoods grow (a) than Hardwoods.
Which type of wood is most expensive?
Hardwood
Softwood
Mahogany is a
Hardwood
Softwood
Manmade Board
Balsa is a hardwood, what characteristics does it have?
Heavy
Lightweight
Hard
Soft
Advantages of felling trees in winter are....
The amount of sap is normally low at this time because most trees grow very little in winter.
Fewer leaves on trees makes it easier to strip branches off tree trunks.
There is a lower risk of the log drying out too quickly.
Trees are softer and easier to cut in winter.
