Materials and Construction Duriron is Acid resistant, brittle and very hard High silicon iron Prone to breakage due to thermal expansion because of its very high co-efficient of thermal expansion All of these Acid resistant, brittle and very hard High silicon iron Prone to breakage due to thermal expansion because of its very high co-efficient of thermal expansion All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ is added in low carbon steel to raise its yield point. Phosphorous Silicon Sulphur Manganese Phosphorous Silicon Sulphur Manganese ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Super conductors are those substances, which Conduct electricity at high temperature Conduct electricity at low temperature Offer high resistance to current flow Offer no resistance to current flow Conduct electricity at high temperature Conduct electricity at low temperature Offer high resistance to current flow Offer no resistance to current flow ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hydrochloric acid is __________ corrosive to common metals. Mildly Not Least Highly Mildly Not Least Highly ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The hardest material just prior to diamond in Mhos scale is Topax Carborundum Calcite Corrundum Topax Carborundum Calcite Corrundum ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Silicon percentage in acid resistant cast iron is about 4 20 14 8 4 20 14 8 ANSWER DOWNLOAD EXAMIANS APP
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