BCE Construction & Building Materials 4

Question 1

Which roofing material is classified as a Built-Up Roof (BUR) system?

Accepted Answer

Multiple layers of bitumen and reinforcing felts

Answer

BUR systems consist of multiple alternating plies of roofing felt saturated with bitumen, forming a continuous waterproof membrane.

Question 2

In masonry construction, what is the purpose of a 'weep hole'?

Accepted Answer

Ventilate the cavity to remove moisture

Answer

Weep holes at the base of a cavity wall allow moisture that penetrates or condenses in the cavity to drain out and the cavity to vent and dry.

Question 3

What is the key difference between Type I/II and Type III Portland cement?

Accepted Answer

Type III is ground finer for faster strength gain

Answer

Type III cement is ground to a finer particle size, increasing surface area for faster hydration and early strength gain (e.g., for rapid formwork removal).

Question 4

What does the LEED rating system category 'Materials & Resources' primarily address?

Accepted Answer

Reducing embodied carbon and construction waste

Answer

The M&R category credits projects for waste reduction, use of recycled content, regional materials, and life-cycle impact assessment of building products.

Question 5

Which property of a material is measured by the Brinell Hardness Test (BHN)?

Accepted Answer

Resistance to plastic indentation

Answer

The BHN test measures a material's resistance to permanent surface deformation by pressing a hardened steel ball under a known load.

BCE - Bachelor of Civil Engineering Practice Test

BCE - Bachelor of Civil Engineering Practice Test

BCE Construction & Building Materials 4