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What is the purpose of using heading joints in floorboards?

• To increase the length of the boards

• To join floorboards in length

• To make the boards more decorative

• To reduce the cost of materials

What is the recommended position for running services under floors?

• Along the edges of the joists

• Through the centre of joists

• Above the flooring

• Below the flooring

What is the most commonly used size for tongued and grooved particleboard sheets?

• 1200 mm x 300 mm

• 2400 mm x 600 mm

• 1800 mm x 900 mm

• 3000 mm x 1200 mm

What is the function of weatherproof material in flat roof decking?

• To enhance the appearance

• To provide insulation

• To reduce weight

• To increase cost

What type of timber floorboards are more commonly used?

• Hardwood

• Softwood

• Chipboard

• Manufactured boards

What is a preferable grade of flooring plywood for areas with high moisture?

• Marine grade

• Standard grade

• Chipboard grade

• Softwood grade

How should softwood timber boards be laid if used in construction?

• On cross battens

• Directly on the ground

• Without any support

• On metal sheets

What type of nails should be used for screwing or nailing sheet materials?

• Annular ring shank nails

• Flat head nails

• Concrete nails

• Roofing nails