Architecture and Design Building Materials and Construction

Question 1

Which material has the highest tensile strength among common structural materials?

Accepted Answer

Steel

Answer

Timber

Answer

Brick

Answer

Concrete

Question 2

Reinforced concrete combines concrete with steel rebar primarily because:

Accepted Answer

Steel compensates for concrete's low tensile strength

Answer

Steel adds compression strength

Answer

Steel reduces concrete's weight

Answer

Steel prevents thermal expansion

Question 3

What is the primary purpose of a vapor barrier in wall construction?

Accepted Answer

To prevent moisture migration through the assembly

Answer

To provide structural support

Answer

To improve acoustic performance

Answer

To add thermal mass

Question 4

Which roofing material is known for its longevity, often lasting 50+ years?

Accepted Answer

Slate

Answer

Asphalt shingles

Answer

Wood shakes

Answer

Roll roofing

Question 5

Glulam (glued laminated timber) beams are used primarily for:

Accepted Answer

Long-span structural applications

Answer

Decorative wall panels

Answer

Foundation piles

Answer

Waterproof membranes

Question 6

What does 'w/c ratio' refer to in concrete mix design?

Accepted Answer

Water-to-cement ratio

Answer

Width-to-cover ratio

Answer

Weight-to-compressive ratio

Answer

Wire-to-coarse aggregate ratio