Materials and Construction Presence of high amount of silicon in cast iron Suppresses the decomposition of Fe₃ C Increases the contraction of the metal Increases the formation of graphite Reduces its fluidity Suppresses the decomposition of Fe₃ C Increases the contraction of the metal Increases the formation of graphite Reduces its fluidity ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Biological shield in a nuclear power reactor is made of Cadmium Concrete Steel Zircalloy Cadmium Concrete Steel Zircalloy ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following metals in not used for coating of the base metal to guard it against corrosion? Magnesium Aluminium Lead Cadmium Magnesium Aluminium Lead Cadmium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Generally __________ are subjected to galvanising (i.e., zinc coating). Non-metals Stainless steel Low carbon steels Non-ferrous metals Non-metals Stainless steel Low carbon steels Non-ferrous metals ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Mild steel is a/an __________ steel. High alloy Medium carbon High carbon Low carbon High alloy Medium carbon High carbon Low carbon ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following crystal structures characterises the austenitic stainless steel? None of these Simple hexagonal Face centred cubic Body centred cubic None of these Simple hexagonal Face centred cubic Body centred cubic ANSWER DOWNLOAD EXAMIANS APP
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