A. Alloying
B. Galvanising
C. Utensil manufacture
D. Electrical industry
Related Mcqs:
- Galvanising is not a zinc diffusion process. A zinc diffusion process is termed as_____________________?
A. Sherardizing
B. Parkerising
C. Anodising
D. None of these - Maximum consumption of lead is in the manufacture of _________________________?
A. Storage batteries
B. Solder alloys
C. Electric cable sheathing
D. Lead lined vessels - Maximum consumption of copper is in__________________?
A. Utensil manufacture
B. Electrical industry
C. Industrial equipment manufacture
D. Small scale industries - The process of coating steel sheets by zinc to improve its corrosion resistance is called___________________?
A. Calorising
B. Galvanising
C. Zincification
D. Tempering - 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 - Zinc is highly ______________ at room temperature?
A. Ductile
B. Resistant to atmospheric corrosion
C. Malleable
D. Brittle - 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 - Maximum permissible sulphur content in steel is ______________ percent?
A. 0.015
B. 0.055
C. 0.505
D. 0.805 - Straight silicon steel (containing Si from 0.5 to 5%) because of their low hysteresis loss and high magnetic permeability are used for electrical appliances. Which of the following electrical appliances made of silicon steel contains maximum percentage of silicon (about 4%) ?
A. Armature of small motors/generators
B. Generators and small motors
C. Induction motors
D. High frequency transformers
