Engineering Materials The hardness of steel increases if it contains Martensite Pearlite Austenite Cementite Martensite Pearlite Austenite Cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cyaniding is the process of Dipping steel in cyanide bath Reacting steel surface with cyanide salts Obtaining cyanide salts Adding carbon and nitrogen by heat treatment of steel to increase its surface hardness Dipping steel in cyanide bath Reacting steel surface with cyanide salts Obtaining cyanide salts Adding carbon and nitrogen by heat treatment of steel to increase its surface hardness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nickel in steel Improves cutting ability and reduces hardenability Gives ductility, toughness, tensile strength and anti-corrosion properties Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves cutting ability and reduces hardenability Gives ductility, toughness, tensile strength and anti-corrosion properties Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Neutral solution is one which has pH value Equal to 7 Less than 7 pH value has nothing to do with neutral solution Greater than 7 Equal to 7 Less than 7 pH value has nothing to do with neutral solution Greater than 7 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A reversible change in the atomic structure of steel with corresponding change in the properties is known as Solidus change Molecular change Physical change Allotropic change Solidus change Molecular change Physical change Allotropic change ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following display properties similar to that of steel? Blackheart cast iron None of these Both (A) and (B) Whiteheart cast iron Blackheart cast iron None of these Both (A) and (B) Whiteheart cast iron ANSWER DOWNLOAD EXAMIANS APP
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