Manually cleaned bar screens feature bars set at

Wastewater Treatment Operator Certification Test

Question Number 6

Manually cleaned bar screens feature bars set at _____ to _____ degrees from vertical to facilitate cleaning.

Bars set at 30 to 45 degrees from vertical to facilitate cleaning. Primarily used in older or smaller treatment facilities, or in bypass channels.(EPA Wastewater Technology Fact Sheet, Screening and Grit Removal)

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Wastewater Treatment Operator Certification Test

Question Number 6

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