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 Open hearth process Crucible process Bessemer process Cementation process Open hearth process Crucible process Bessemer process ANSWER DOWNLOAD EXAMIANS APP
Building Materials The specific gravity of marble, is 2.66 2.72 2.6 2.5 2.66 2.72 2.6 2.5 ANSWER DOWNLOAD EXAMIANS APP
Building Materials A stone is rejected if it absorbs water more than 20 % 5 % 10 % 15 % 20 % 5 % 10 % 15 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials The vehicle used in case of enamel paints is usually Linseed oil None of these Varnish Water Linseed oil None of these Varnish Water ANSWER DOWNLOAD EXAMIANS APP
Building Materials Cast iron May contain 2 to 5 per cent of carbon with other impurities Is obtained by purifying pig iron Is manufactured in required shapes All listed here May contain 2 to 5 per cent of carbon with other impurities Is obtained by purifying pig iron Is manufactured in required shapes All listed here ANSWER DOWNLOAD EXAMIANS APP
Building Materials As per IS specifications, the maximum final setting time for ordinary Portland cement should be 30 minutes 1 hour 6 hours 10 hours 30 minutes 1 hour 6 hours 10 hours ANSWER DOWNLOAD EXAMIANS APP
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