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Thursday, July 7, 2011

Why is it sometimes useful to adjust the angle of attack (angle of the nozzle in relation to the work piece) when conducting air abrasive blasting?

To reduce fatigue
To achieve maximum productivity in removing different materials, such as paint and mill scale
To avoid arcing the nozzle
To assure a consistent stand-off distance

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Previous Quizzes from the Past Week

Wednesday, July 6, 2011
Windy conditions during spray application of coatings would be most likely to cause which of the following paint defects?

Tuesday, July 5, 2011
In air abrasive blasting operations, how is a moisture separator or filter used?

Friday, July 1, 2011
SSPC's photographic guides for visual assessment of surface cleanliness after blast cleaning are designed to be used in what way?

Thursday, June 30, 2011
Sacrificial protection refers to which of the following?

Wednesday, June 29, 2011
How can paint be made conductive for electrostatic spraying?

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