Daily Quiz (8)


Hot-dip galvanizing is a batch process in which the coating is applied in a molten bath of zinc at roughly what degree?


True or false: Zinc carbonate is water-soluble and not very dense, while zinc oxide and zinc hydroxide are dense, insoluble materials.


More than ________ tons of steel was galvanized for the new Champlain Bridge.


Zinc oxide starts forming roughly how many hours after galvanizing?


What is the name given to the zinc ammonium chloride solution that cleans and deposits a protective layer on steel before it is immersed in molten zinc to achieve galvanizing?


True or false: The service life of a duplex system consisting of galvanizing and paint has been reported in some studies to be a factor of 2.3 to 4 times the sum of the individual service lives for galvanizing and painting, depending on the exposure environment.


True or false: The length of protection time hot-dipped galvanizing provides to steel is directly proportional to the weight of the zinc.


True or false: All hot-dip galvanizing is carried out through a batch process.


 
 
   

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