Building Materials The compound of Portland cement which reacts immediately with water and also sets first is Di-calcium silicate Tetra calcium alumino ferrite Tri-calcium aluminate Tri-calcium silicate Di-calcium silicate Tetra calcium alumino ferrite Tri-calcium aluminate Tri-calcium silicate ANSWER DOWNLOAD EXAMIANS APP
Building Materials The process of manufacturing steel by heating short lengths of wrought iron bars mixed with charcoal in fire clay crucibles and collecting the molten iron into moulds, is known as Cementation process Crucible process Bessemer process Open hearth process Cementation process Crucible process Bessemer process Open hearth process ANSWER DOWNLOAD EXAMIANS APP
Building Materials The slump recommended for mass concrete is about 25 mm to 50 mm 50 mm to 100 mm 100 mm to 125 mm 125 mm to 150 mm 25 mm to 50 mm 50 mm to 100 mm 100 mm to 125 mm 125 mm to 150 mm ANSWER DOWNLOAD EXAMIANS APP
Building Materials Bitumen felt is used for Damp proofing Both (A) and (B) Water proofing Neither (A) nor (B) Damp proofing Both (A) and (B) Water proofing Neither (A) nor (B) ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following stresses is used for identifying the quality of structural steel? Yield stress Ultimate stress None of these Proof stress Yield stress Ultimate stress None of these Proof stress ANSWER DOWNLOAD EXAMIANS APP
Building Materials Wrought iron contains carbon about 0.5% to 1.75% 1.5% to 5.5% 0.1% to 0.25% None to these 0.5% to 1.75% 1.5% to 5.5% 0.1% to 0.25% None to these ANSWER DOWNLOAD EXAMIANS APP
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