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Engineering
Mechanical
ME Set-3
Engineering Materials
180

Engineering Materials MCQ with Answers

180) Which is false statement about case hardening. Case hardening is done by

electroplating

cyaniding

induction hardening

nitriding

Answer is:

electroplating

Engineering Materials MCQ with Answers

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Related Engineering Materials MCQ with Answers

181) Which of the following is the binding material in cemented carbides

cobalt

nickel

vanadium

iron

Answer is:

cobalt

182) Chromium in steel

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

Answer is:

improves wear resistance, cutting ability and toughness

183) Manganese in steel increases its

tensile strength

hardness

ductility

fluidity

Answer is:

tensile strength

184) Cemented carbide tools are not found to be suitable for cutting

brass

cast iron

aluminium

steel

Answer is:

steel

Explanation:

Cemented carbide tools are not found to be suitable for cutting Steel

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