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Engineering
Mechanical
ME Set-1
Engineering Materials
150

Engineering Materials MCQ with Answers

150) The process in which carbon and nitrogen both are absorbed by the metal surface to get it hardened is known as

carburizing

Cyaniding

flame hardening

induction hardening

Answer is:

Cyaniding

Engineering Materials MCQ with Answers

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Related Engineering Materials MCQ with Answers

151) quenching is not necessary when hardening is done by

case hardening

flame hardening

Nitriding

any one of these

Answer is:

Nitriding

152) which of the following generally decreases in the steel after quench hardening?

Brittleness

Percentage elongation

Impact strength

none of these

Answer is:

Percentage elongation

153) Induction hardening is basically a

carburizing process

surface hardening process

core-hardening process

none of these

Answer is:

surface hardening process

154) The machine tool guide ways are usually hardened by

vacuum hardening

martempering

induction hardening

flame hardening

Answer is:

flame hardening

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