Building Materials The cast iron when heated to red heat with powdered red haematite in an oven for increasing its toughness, is converted to Toughed cast iron Grey cast iron White cast iron Mottled cast iron Toughed cast iron Grey cast iron White cast iron Mottled cast iron ANSWER DOWNLOAD EXAMIANS APP
Building Materials The minimum compressive strength of 1st class bricks should be 75 kg/cm² 120 kg/cm² 100 kg/cm² 75 kg/cm² 75 kg/cm² 120 kg/cm² 100 kg/cm² 75 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following is the purest form of iron? Cast iron High carbon steel Wrought iron Mild steel Cast iron High carbon steel Wrought iron Mild steel ANSWER DOWNLOAD EXAMIANS APP
Building Materials A good building stone should not absorb water more than 5 % 15 % 20 % 10 % 5 % 15 % 20 % 10 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following is a rock? Mica None of these Gypsum Quartz Mica None of these Gypsum Quartz ANSWER DOWNLOAD EXAMIANS APP
Building Materials Cast steel is manufactured by Open hearth process Bessemer process Cementation process Crucible process Open hearth process Bessemer process Cementation process Crucible process ANSWER DOWNLOAD EXAMIANS APP
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