Circular saw blades are used for ripping if they have

• positive hook

• Dr Hook

• Negative hook

• Dental hook

What is the best method of ensuring that timber is preserved.

• Dipped

• Pressure treated

• Sprayed

• Painted

What type of conversion is in the photograph

• Through and through

• Boxed heart

• Quarter sawn

• Tangentle

Flight holes in timber usually mean.........

• Some one has been nailing

• Dry rot

• Timber eating insects have flown

• Wet rot

What are the best ways of eradicating wet rot?

• Stop the flow of water

• Preserve the timber

• Keep the moisture content below 20%

• None of the above

What is the best way to dispose of timber with dry rot

• Throw it in the bin

• Burn it on site

• Have it removed by a company

• Throw it in a skip.

What does dry rot have that wet rot doesn't

• musty smell

• Fruiting body

• spores

• none of the above

What is the abbreviation LEV

• Local Extraction and Ventilation

• Local Eggs and Vaccination

• Local extraction and verification

• Lateral eradication and verification

What is the name of the debris left behind when a wood boring insect eats through timber?

• Dross

• Gloss

• Frass

• Fross

What regulations govern machinery in the workshop?

• HASAWA

• PUWER

• PPE

• BLUWER