Study guides, Class notes & Summaries

Wastewater B Test Exam 2024 Update Questions and Correct Answers Rated A+

WASTEWATER B TEST EXAM 2024 WITH 100% CORRECT ANSWERS Percent of volatile solids normally in sludge - correct answer 70-80% D.O. levels in a primary clarifier - correct answer 0.5-1.0 MG/L Why are precautionary measures needed around an aeration basin? - correct answer undertow and turbulence O.S.H.A. approved trench - correct answer narrow excavation in which the depth is greater than the width; the width must be less than 15 feet What causes bulking? - correct answer 1. Excess...

Texas Wastewater B Exam With 100% Correct Answers Primary Clarifiers - Correct Answer In an activated sludge treatment system, primary treatment processes include the: Removal of Inorganic material from grit - Correct Answer In a washing grit remover, the grit is moved slowly by screw conveyors up an inclined channel in order to? 90% or above - Correct Answer An efficient primary clarifier is expected to remove ? of the influent settleable solids. Adequate DO at surface at all times...

3 Amigos - correct answer F/M, SVI, Current WAS rate 3 M's - correct answer MLSS, MLVSS, MCRT High Sludge Age =_________ MCRT - correct answer High MCRT High Sludge Age=_______ MLSS - correct answer High MLSS Older Sludge F/M ratio - correct answer =< 0.1 lbs/day CBOD : 1lb MLVSS Young Sl

Percent of volatile solids normally in sludge CORRECT ANSWER 70-80% D.O. levels in a primary clarifier CORRECT ANSWER 0.5-1.0 MG/L Why are precautionary measures needed around an aeration basin? CORRECT ANSWER undertow and turbulence O.S.H.A. approved trench CORRECT ANSWER narrow excavation in which the depth is greater than the width; the width must be less than 15 feet What causes bulking? CORRECT ANSWER 1. Excessive hydraulic loading, 2. Solids not promptly removed from clarifie...