Building Materials MCQ Questions & Answers | Civil Engineering

A. 5 to 10%

B. 20 to 30%

C. 50 to 60%

D. 70 to 80%

A. 5 to 10%

B. 20 to 30%

C. 50 to 60%

D. 70 to 80%

A. Is a natural fibrous mineral substance

B. Is composed of hydrous silicates of calcium and magnesium (CaSiO₃, 3MgSiO₃)

C. Contains iron oxide and alumina

D. All the above

A. Is an excellent insulator for heat and electricity

B. Is fire-proof and acid proof

C. Has specific gravity equal to 3.10

D. All the above

A. Is brittle

B. Warps due to changes in humidity

C. Strength is lowered when saturated by water

D. All of the above

A. Corrugated sheet used for roofing

B. An incombustible fire proof material

C. An organic substance

D. All the above

A. 18 cm x 8 cm x 8 cm

B. 19 cm x 9 cm x 9 cm

C. 20 cm x 10 cm x 10 cm

D. 21 cm x 11 cm x 11 cm

A. Hard

B. Tough

C. Heavy

D. Light

A. Shale powder

B. Talc powder

C. Asbestos powder

D. Plastic powder

A. Cementation process

B. Crucible process

C. Bessemer process

D. Open hearth process