A. Sherardizing
B. Parkerising
C. Anodising
D. None of these
Related Mcqs:
- Galvanising (i.e., zinc coating) of steel sheets is done to______________________?
A. Prevent its rusting by contact with corrosive atmosphere
B. Protect the base metal by cathodic protection
C. Both A. & B.
D. Neither A. nor B. - Generally _____________ are subjected to galvanising (i.e., zinc coating)?
A. Non-ferrous metals
B. Non-metals
C. Low carbon steels
D. Stainless steel - Galvanising is generally done on___________________?
A. Non-ferrous metals
B. Low carbon steel
C. Stainless steel
D. Cast iron - The main purpose of galvanising iron sheets is to___________________?
A. Harden the surface
B. Increase its glossiness and lustre
C. Prevent the action of water
D. Prevent the action of oxygen - The process of coating steel sheets by zinc to improve its corrosion resistance is called___________________?
A. Calorising
B. Galvanising
C. Zincification
D. Tempering - Zinc is highly ______________ at room temperature?
A. Ductile
B. Resistant to atmospheric corrosion
C. Malleable
D. Brittle - Maximum consumption of zinc is in____________________?
A. Alloying
B. Galvanising
C. Utensil manufacture
D. Electrical industry - Zinc is not used__________________?
A. For producing zinc base die casting alloys
B. In its oxide form as pigments
C. As anode for corrosion prevention in boiler
D. As an alloying element in various bronzes - The increase in hardness of metal due to its cold working is termed as the _______________ hardening?
A. Work
B. Age
C. Induction
D. Flame - Nickel (76%) and chromium (15%) alloys are termed as______________________?
A. Inconel
B. Monel
C. Aluminium bronzes
D. Brass
