Daily Quiz (37)


Metalizing, or thermal spray was first introduced in the early 1900s by this Swiss inventor:


The U.S. Department of Energy awarded computational materials design specialist QuesTek Innovations LLC (Evanston, Illinois) $1.1 million in Small Business Innovation Research Phase II funding for research in:


True or false: SSPC: The Society for Protective Coatings offers a jointly issued standard on thermal spraying with the American Association of State Highway Transportation Officials and the National Steel Bridge Alliance.


True or false: Thermal spraying is a group of processes where the thermal spray feedstock (aluminum, zinc or a combination of alloys developed in the form of a wire or powder) is heated, atomized and propelled by a conveying gas stream and deposited to form a thermal spray metallic coating (TSC) on the cleaned steel.


True or false: Both metal-fume fever and white-metal fever are terms used to describe a condition where fumes generated from aluminum and other metals and their alloys during thermal spraying are unpleasant to smell and could cause flu-like symptoms for hours or days.


A recent “Thermal Spray Coating Application” standard was issued by what organization?


True or false: SIPP is the acronym for a robotic spray process to reline pipeline interiors.


True or false: Magnetic induction is the principle of operation of gages used to measure the thickness of thermal spray aluminum when the base material is carbon steel only.


True or false: In certain exposure conditions, sealers and/or topcoats may be required over thermal spray coatings.


True or false: SSPC’s specification for the application of thermal spray coatings is issued jointly with NACE and the Zinc Institute.


True or false: “Angle of attack” in coating work applies to the pattern of application of thermal spray materials.


True or false: Flame spraying, metallizing and plasma spraying are all forms of thermal spraying.


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


What organization offers training and certification as a thermal spray coatings inspector?


What kind of binder is used with thermal spray aluminum?


True or false: Respirable hazardous materials may be produced in some thermal spraying operations.


True or false: According to a recent JPCL article, freshly applied thermal spray aluminum is close in appearance to steel newly blasted to white metal.


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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