A. Nitriding
B. Hot dipping
C. Electroplating
D. Both ‘B’ & ‘C’
Related Mcqs:
- Which of the following processes follows the hardening process for reducing the hardening strains & increasing the toughness of the steel part ?
A. Anodising
B. Tempering
C. Carburising
D. Annealing - Case hardening of a material is__________________?
A. Followed by tempering or carburising
B. Preceded by its tempering
C. Done to get a soft ductile interior with a very hard surface
D. Carried out to get extreme hardness in its core - _______________ is not a case hardening process ?
A. Carburising
B. Nitriding
C. Cyaniding
D. Annealing - To counteract the bad effects of strain hardening on a cold formed part, it must be ______________________?
A. Tempered
B. Normalised
C. Annealed
D. Hardened - The minimum carbon content in steel should be ____________________ percent for it to respond to a hardening treatment ?
A. 0.2
B. 0.4
C. 0.6
D. 0.8 - Strain hardening effect in metals subjected to cold working is due to the _______________ mechanism?
A. Slip
B. Fracture
C. Winning
D. Dislocation - Hardening of steel is not possible, unless it is heated _________________ critical point ?
A. Above the highest
B. Above the lowest
C. Between the first & second
D. Between the second & third - Cold working of a material results in increase in hardness, which is termed as the ______________ hardening ?
A. Cold
B. Work
C. Age
D. Induction - Strain hardening effect in a metal subjected to cold working is due to the ______________ mechanism?
A. Fracture
B. Dislocation
C. Slip
D. Twinning - Age hardening is connected with________________?
A. Babbitt metal
B. Gun metal
C. Stainless steel
D. Duralumin
