Materials and Construction Presence of high amount of silicon in cast iron Increases the formation of graphite Increases the contraction of the metal Reduces its fluidity Suppresses the decomposition of Fe₃ C Increases the formation of graphite Increases the contraction of the metal Reduces its fluidity Suppresses the decomposition of Fe₃ C ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Mild steel is Very poor in strength & ductility Highly resistant to corrosion (as much as stainless steel) A high carbon steel (0.5 to 1.5% carbon) A low carbon steel (0.05 to 0.3% carbon) Very poor in strength & ductility Highly resistant to corrosion (as much as stainless steel) A high carbon steel (0.5 to 1.5% carbon) A low carbon steel (0.05 to 0.3% carbon) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Steel will respond to hardening by heat treatment processes, only when the minimum carbon content in it is __________ percent. 0.5 0.02 0.35 0.2 0.5 0.02 0.35 0.2 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Pipes for bi-cycle frames are made of __________ steel. Stainless Chrome carbon Cold rolled Hot rolled Stainless Chrome carbon Cold rolled Hot rolled ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the hardest material? Quartz Topaz Corrundum Flourite Quartz Topaz Corrundum Flourite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The largest consumption of zinc for alloys is in the making of Brasses Die casting alloys Bearing metal Brazing solder Brasses Die casting alloys Bearing metal Brazing solder ANSWER DOWNLOAD EXAMIANS APP
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