Related Questions

The process of coating steel sheets by zinc to improve its corrosion resistance is called
A Calorising
B Galvanising
C Zincification
D Tempering
Iron is prevented from rusting by coating with zinc. This process is called as
A Galvanisation
B Corrosion
C Sublimation
D Reduction
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
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
Though tin occurs lower than iron in the electrochemical series, yet it is coated on steel for corrosion protection, because of its
A Lower cost
B Abundant availability
C Resistance to vegetable acids as the tin plate are commercially used in 'canning' industry
D None of these
The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called :
A Zinc plating
B Alloy formation
C Vulcanization
D Galvanization
Which of the following metals in not used for coating of the base metal to guard it against corrosion?
A Lead
B Cadmium
C Magnesium
D Aluminium
When a ship floats at its designed water line, the vertical distance from water line to the bottom of the ship is known as
A Beam
B Depth
C Free-board
D Draft
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
Because of rumors that the ship's passengers were sick with a terrible plague, the port_ the ship and refused to lit it dock.
A quarentyne
B quarrentined
C quarentine
D quarantined

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