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 Open hearth process Cementation process Crucible process Bessemer process Open hearth process Cementation process Crucible process Bessemer process ANSWER DOWNLOAD EXAMIANS APP
Building Materials The proportions of charcoal, saltpetre and sulphur in gun powder by weight, are respectively: 10, 75, 15 10, 15, 75 15, 75, 10 75, 10, 15 10, 75, 15 10, 15, 75 15, 75, 10 75, 10, 15 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Generally wooden moulds are made from Shishum wood Deodar wood Ply wood Teak wood Shishum wood Deodar wood Ply wood Teak wood ANSWER DOWNLOAD EXAMIANS APP
Building Materials Manganese steels All listed here Possess high electrical resistance Are non-magnetic Possess low coefficient of expansion All listed here Possess high electrical resistance Are non-magnetic Possess low coefficient of expansion ANSWER DOWNLOAD EXAMIANS APP
Building Materials The most commonly used synthetic abrasive is Boric acid Silicon Aluminium carbide All of these Boric acid Silicon Aluminium carbide All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials The slenderness ratio for masonry walls should not be more than 40 20 10 30 40 20 10 30 ANSWER DOWNLOAD EXAMIANS APP
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