Engineering Materials The lower critical point for all steels is 913°C 700°C 723°C 600°C 913°C 700°C 723°C 600°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of steel is improved by adding Nickel and chromium Chromium Nickel Sulphur, lead and phosphorus Nickel and chromium Chromium Nickel Sulphur, lead and phosphorus ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following display properties similar to that of steel? Both (A) and (B) Blackheart cast iron None of these Whiteheart cast iron Both (A) and (B) Blackheart cast iron None of these Whiteheart cast iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following constituents of steels is softest and least strong? Pearlite Austenite Cementite Ferrite Pearlite Austenite Cementite Ferrite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cobalt in steel Gives ductility, toughness, tensile strength and anti corrosion property Improves cutting ability and reduce hardenability Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Gives ductility, toughness, tensile strength and anti corrosion property Improves cutting ability and reduce hardenability Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Lead is poured into the joint between two pipes. These pipes may be made of Cast iron Concrete Asbestos cement Vitrified clay Cast iron Concrete Asbestos cement Vitrified clay ANSWER DOWNLOAD EXAMIANS APP
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