Building Materials The steel used for the manufacture of rails, is Mild steel Cast steel Stainless steel Bessemer steel Mild steel Cast steel Stainless steel Bessemer steel ANSWER DOWNLOAD EXAMIANS APP
Building Materials Permanent magnets are made of high carbon steel and 45% of cobalt 20% of cobalt 35% of cobalt 15% of cobalt 45% of cobalt 20% of cobalt 35% of cobalt 15% of cobalt ANSWER DOWNLOAD EXAMIANS APP
Building Materials The normal consistency of ordinary Portland cement is about 40 % 20 % 10 % 30 % 40 % 20 % 10 % 30 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials The weight of a good quality brick when immersed in water for a period of 16 hours should not exceed the weight of dry brick None of these 10 % 20 % 15 % None of these 10 % 20 % 15 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Due to attack of dry rot, the timber Reduces to powder Shrinks Cracks None of these Reduces to powder Shrinks Cracks None of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials The rocks which are formed due to cooling of magma at a considerable depth from earth's surface are called Igneous rocks Plutonic rocks Hypabyssal rocks Volcanic rocks Igneous rocks Plutonic rocks Hypabyssal rocks Volcanic rocks ANSWER DOWNLOAD EXAMIANS APP
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