Civil Engineering Construction Technologies Quiz

What is the maximum inclination angle that defines a flat roof?

• Less than 3°

• Less than 5°

• Less than 10°

• Less than 15°

Which of the following is NOT a functional requirement of roofs?

• Strength and stability

• Resistance to weather

• Electrical conductivity

• Fire safety

What is the typical replacement period for thatch/reed roofing used in Europe?

• 5-10 years

• 10-15 years

• 20-30 years

• 40-50 years

The horizontal board along the line of the ridge in a pitched roof is called:

• Fascia board

• Ridge board

• Soffit board

• Verge board

What percentage of asbestos fibres is typically found in asbestos cement roofing material?

• 10%

• 15%

• 20%

• 25%

For corrugated metal sheets with minimum 150mm end laps, what is the minimum recommended pitch angle?

• 10°

• 12°

• 15°

• 18°

Which roof structure type uses prefabricated components that are assembled on-site?

• Couple roof

• Close couple roof

• Collar roof

• Prefabricated trussed rafter roof

The vertical wall at the end of a pitched roof forming an inverted 'V' shape is called:

• Hip

• Gable

• Valley

• Verge

What is the recommended minimum pitch angle for single lap tiles?

• 22.5°

• 25°

• 30°

• 35°

Which of the following is an advantage of flat roofs?

• They can cover large column-free areas

• Lower initial construction cost

• The roof can be used as a terrace

• Faster construction speed