What is the primary purpose of steel reinforcement in concrete structures?

• To increase the weight of the structure

• To improve tensile strength

• To enhance thermal insulation

• To reduce construction costs

Which of the following is a common method for measuring the moisture content in timber?

• Ultrasonic testing

• Moisture meter

• X-ray diffraction

• Thermal imaging

What is the embedded energy of aluminium typically measured in?

• Joules per kilogram

• Kilowatt-hours per tonne

• Megajoules per kilogram

• Calories per gram

Which construction material has the highest recycling potential?

• Concrete

• Timber

• Steel

• Plasterboard

What is the standard size of a brick used in construction in the UK?

• 215 mm x 102.5 mm x 65 mm

• 200 mm x 100 mm x 50 mm

• 220 mm x 110 mm x 70 mm

• 210 mm x 105 mm x 60 mm

What is the typical mix proportion for a standard concrete mix (by volume)?

• 1:2:4 (Cement:Sand:Aggregate)

• 1:3:6 (Cement:Sand:Aggregate)

• 1:1:2 (Cement:Sand:Aggregate)

• 1:4:8 (Cement:Sand:Aggregate)

Which type of concrete mix is designed for high strength and durability?

• Standard mix

• High-performance concrete

• Lightweight concrete

• No-fines concrete

What is a characteristic feature of aerated concrete blocks?

• High density

• Lightweight

• High thermal conductivity

• Low fire resistance

Which type of sand is most commonly used in construction for making concrete?

• Desert sand

• River sand

• Beach sand

• Manufactured sand

What is the primary use of plasterboard in construction?

• Flooring

• Roofing

• Wall lining

• Foundation