159) Solder is an alloy consisting of

tin, antimony, copper

tin and copper

tin and lead

lead and zinc

Answer is:

tin and copper

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160) Cyaniding is the process of

dipping steel in cyanide bath

reacting steel surface with cyanide salts

adding carbon and nitrogen by heat treatment of steel to increase its surface hardness

obtaining cyanide salts

Answer is:

adding carbon and nitrogen by heat treatment of steel to increase its surface hardness

161) Induction hardening is the process of

hardening surface of workpiece to obtain hard and wear resistant surface

heating and cooling rapidly

increasing hardness throughout

inducing hardness by continuous process

Answer is:

hardening surface of workpiece to obtain hard and wear resistant surface

162) The loss of strength in compression with simultaneous gain in strength in tension due to overloading is known as

hysteresis

creep

visco elasticity

Boeschinger effect

Answer is:

Boeschinger effect

163) Process of austempering results in

formation of bainite structure

carburised structure

martenistic structure

lamellar layers of carbide distributed throughout the structure

Answer is:

formation of bainite structure

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159) Solder is an alloy consisting of

tin and copper

Engineering Materials MCQ with Answers

Related Engineering Materials MCQ with Answers

160) Cyaniding is the process of

adding carbon and nitrogen by heat treatment of steel to increase its surface hardness

161) Induction hardening is the process of

hardening surface of workpiece to obtain hard and wear resistant surface

162) The loss of strength in compression with simultaneous gain in strength in tension due to overloading is known as

Boeschinger effect

163) Process of austempering results in

formation of bainite structure

Engineering Materials MCQ with Answers