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ITI
Fitter
Fitter Set-2
Assembly
23

Assembly MCQ with Answers

23) Which method of surface hardening, the surface remains free from scales?

Nitriding

Case hardening

Flame hardening

Induction hardening

Answer is:

Induction hardening

Assembly MCQ with Answers

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24) What is the process if the steel is heated above critical temperature and soaking it for sufficient time and cooling it very slowly within furnace?

Annealing

Hardening

Tempering

Normalising

Answer is:

Annealing

25) What is the process to refine the structure of steel component?

Tempering

Annealing

Hardening

Normalising

Answer is:

Normalising

26) Which method of surface hardening is done in a heated salt bath?

Flame hardening

Gas carburising

Pack carburising

Liquid carburising

Answer is:

Liquid carburising

27) Which key has rectangular cross section is fit into keyway cut on both shaft and hub?

Sunk key

Feather key

Flat saddle key

Hollow saddle key

Answer is:

Sunk key

Assembly MCQ with Answers

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