Daily Quiz (13)


Canadian development and commercialization company Zentek Ltd. recently conducted testing on its __________ coating.


True or false: The U.S. test of protective materials on steel exposed to a rapid rise fire includes weathering exposure.


True or false: WUSI is the name of software that can be used to calculate the hygrothermal behavior of multi-layer building components exposed to natural weathering.


What is the name of an accelerated weathering apparatus that operates on a condensation type of water exposure at elevated temperature?


True or false: In atmospheric weathering exposures, aromatic polyureas perform much better than aliphatic polyureas in retaining elastomeric properties.


What is the name of an accelerated weathering apparatus that operates on a condensation type of water exposure at elevated temperature?


True or false: EMMAQUA and Prohesion are widely used outdoor accelerated weathering test methods.


True or false: Research has shown that weathering of wood for five days can improve the adhesion of coatings applied to it.


True or false: Research has shown that it is useful to expose new wood substrates to the atmosphere for a few weeks before coating.


Why does weathering steel generally not require protection with paint?


While the first documented weathering test for paint occurred in Fargo, ND, where are outdoor weathering exposure tests likely to occur today?


True or false: Weathering steel loses its corrosion-resistance properties in certain atmospheric exposure environments.


True or false: To assure successful adhesion, more paint has to be applied to weathered wood so that it penetrates the soft, damaged layer and adheres to the sound substrate beneath.


 
 
   

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