Related Questions

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 not a zinc diffusion process. A zinc diffusion process is termed as
A Sheradising
B Parkerising
C Anodising
D None of these
The process of coating steel sheets by zinc to improve its corrosion resistance is called
A Calorising
B Galvanising
C Zincification
D Tempering
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
Protection of ship hulls against sea water corrosion is done by coating with zinc because of the fact that zinc compared to iron is
A Reduced preferentially
B Cheaper
C Oxidised preferentially
D Lighter
If 2 kg of metal, of which 1/3 is zinc and the rest is copper s, be mixed with 3 kg of metal , of which 1/4 is zinc and the rest is copper , then what will be the ratio of zinc to copper in the mixture?
A 13 : 42
B 19 : 43
C 15 : 42
D 17 : 43
Galvanising is generally done on
A Non-ferrous metals
B Low carbon steel
C Stainless steel
D Cast iron
The coating of a thin layer of zinc on steel or iron objects is known as
A Hot dipping
B Tinning
C Galvanising
D Electroplating
Coating of zinc over steel is known as
A Cladding
B Galvanising
C Anodising
D Passivation
The metal chiefly used for galvanising iron is :
A Zinc
B Mercury
C Cadmium
D Tin

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