WorksheetsTimber Technology
Total questions: 15
Worksheet time: 10mins
The classification of timber is:
Softwood and Hardwood
Coniferous and Deciduous
Tropical and Temperate
Natural and Synthetic
Common timber defects include:
Knots, splits, and warping
Rust and corrosion
Fading and discoloration
Cracking and peeling
Fill in the blank: Deciduous refers to the name given to a type of tree that sheds its leaves ________.
seasonally
annually
monthly
daily
Which timber is described as 'Pinkish-brown timber with distinct grain and a clean, sweet smell'?
What is the main use of Oak?
Furniture, boat building, sports equipment
High-class joinery, panelling, doors
Externally for good quality timber buildings, saunas
Teak timber is known for its:
Golden-brown color and smooth texture
Dark-brown color and rough texture
Light-brown color and grainy texture
Red-brown color and coarse texture
Fill in the blank: The moisture content for carcase timber (joists etc.) should be between ___ per cent.
10-20
5-10
20-30
30-40
Which of the following is a method of seasoning timber?
Natural seasoning
Chemical seasoning
Water seasoning
Fire seasoning
Fill in the blank: Internal timber placed directly over, or near, sources of heat should have a moisture content of ___ per cent.
___
10
15
20
The purpose of air seasoning in timber technology is to:
reduce moisture content in wood
increase the weight of timber
enhance the color of wood
make the wood fire-resistant
What causes winding or twist in timber?
Improper seasoning
Excessive moisture content
Incorrect storage
All of the above
Heart shakes are usually the result of ______ or over-maturity of the tree.
disease
insects
weather
soil quality
What are the types of knots shown in the figures?
Face knot, Dead knot, Arris knot, Splay knot
Round knot, Square knot, Triangle knot, Hexagon knot
Live knot, Dead knot, Arris knot, Splay knot
Face knot, Live knot, Arris knot, Splay knot
What is the main cause of dry rot according to the passage?
Moisture
Sunlight
Insects
Poor ventilation
Laminated boards are made from:
Wood and plastic
Metal and glass
Paper and glue
Ceramic and clay
