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Daily Quiz (21)


True or false: When UHP is used to describe water jetting for surface preparation, it stands for “Upper High Pressure.”


True or false: In a laboratory study of zinc-rich primers for marine environments, recently reported in JPCL, coatings applied over surface preparation by UHP waterjetting, even though it produced no roughness, achieved performance equivalent to, or better than, that achieved by abrasive blasting.


SSPC publishes visual standards for what cleaning method?


The presence of water in new versions of wet abrasive blasting systems increases abrasive breakdown rates, according to a recent JPCL article.


Industry waterjetting standards describe the use of water at what pressures to clean steel?


What is the typical pressure range for waterjetting when it is used to remove coatings and corrosion from structural steel?


True or false: Ultra-high-pressure water jetting at 30,000 psi requires more water to remove coatings from a masonry substrate than does water blasting at 5,000 psi.


What claims are made in a recent JPCL article for using waterjetting and surface-tolerant coatings in newbuilding of ships?


True or false: According to SSPC, wet blasting and water jetting are synonyms.


What is the typical pressure range for water jetting when it is used to remove coatings and corrosion from structural steel?


SSPC and NACE have how many joint standards on waterjet cleaning of metals?


SSPC/NACE standards for waterjet cleaning describe how many levels of cleanliness?


Reference photographs for surface preparation of steel by waterjetting are found in what document?


True or false: UHP waterjetting at 35,000 to 40,000 psi is typically used for surface preparation of stucco before painting.


“Surface Preparation and Cleaning of Metals by Waterjetting Prior to Coating” is a newly revised standard by:


What is the typical pressure range for water jetting when it is used to remove coatings and corrosion from structural steel?


True or false: Ultra-high-pressure water jetting at 30,000 psi typically produces a lower volume of water in removing coatings from a masonry substrate than does pressure washing at 5,000 psi.


True or false: Potable water without additional treatment is often used successfully for UHP water jetting prior to painting.


Which of the following persons has conducted research and published articles in JPCL and elsewhere on flash rusting after water jetting?


Which of the following persons is a noted consultant on waterjetting technology used for surface preparation?


Which of the following statements about ultra-high pressure water jetting is not true?


 
 
   

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