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Daily Quiz (20)


How is film build normally achieved during the thermal spray process?


True or false: Thermoplastic powders cannot be applied by thermal spraying.


True or false: To be effective, a seal coat over a thermal-sprayed zinc coating must be applied after a significant amount of natural oxidation has occurred.


True or false: Arc-spray application of thermal-sprayed metal coatings is conducted only in the shop.


SSPC’s specification for the application of thermal spray coatings is issued jointly with what other organization(s)?


True or False: Film build is normally achieved in application of thermal-sprayed zinc coatings by slowing the travel speed of the spray gun.


True or False: A seal coat over thermal-sprayed zinc will perform better if application is delayed until at least 30 days have elapsed so that natural oxidation can form on the zinc.


What are the most commonly used materials for thermal spraying when it is used for corrosion protection?


True or False? To be effective, a seal coat over a thermal-sprayed zinc coating must be applied after a significant amount of natural oxidation has occurred.


How is film build normally achieved during the thermal spraying of metallic coatings?


True or false: Thermal spraying of zinc is sometimes used for corrosion control on steel substrates.


True or false: Thermal spray coatings of aluminum, zinc, and their alloys for corrosion protection of steel are very surface-tolerant.


The SSPC/NACE/AWS specification for thermal-sprayed zinc in a marine service environment requires what degree of blast cleaning?


What are the most commonly used thermal spraying materials for corrosion protection of steel?


What is the most commonly used material for thermal spraying when it is used for corrosion protection?


How is film build normally achieved during the thermal spray process?


True or false: To be effective, a seal coat over a thermal-sprayed zinc coating must be applied after a significant amount of natural oxidation has occurred.


True or false: Sealing of a porous aluminum or zinc thermal spray coating can be accomplished naturally through oxidation.


True or false: Thermoplastic powders can be applied by thermal spray.


Which of the following are thermal spray coatings?


 
 
   

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SEMicro Division, M.E. Taylor Engineering, Inc.
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