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20. David Cohen (8/25)
THURSDAY, JANUARY 24, 2019
True or false: A metallized substrate provides cathodic protection and develops an oxide film that adds barrier protection of the underlying steel.
True False
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Previous Quizzes from the Past Week
WEDNESDAY, JANUARY 23, 2019 True or false: ASTM publishes a solvent rub tests for inorganic but not organic coatings.
TUESDAY, JANUARY 22, 2019 True or false: Talc is a widely used extender pigment in coatings.
MONDAY, JANUARY 21, 2019 True or false: In an air abrasive blast system that utilizes a venturi nozzle, a typical particle speed is 450 mph.
FRIDAY, JANUARY 18, 2019 True or false: The structural steel exoskeleton of the New York Times Building is protected with an intumescent coating.
THURSDAY, JANUARY 17, 2019 True or false: The maximum level of carbon monoxide allowed by OSHA for breathing air used in air-supplied respirators is 10 ppm.
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