WASTE WATER TREATMENT 6C EXAM PREP QUESTIONS AND ANSWERS 2026 VERIFIED.

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WASTE WATER TREATMENT 6C EXAM PREP QUESTIONS AND ANSWERS 2026 VERIFIED.

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2025/2026

Institution WASTE WATER

Course WASTE WATER

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WASTE WATER TREATMENT 6C EXAM PREP QUESTIONS AND ANSWERS 2026 VERIFIED.

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WASTE WATER TREATMENT 6C EXAM
PREP QUESTIONS AND ANSWERS 2026
VERIFIED.

What is used for Phosphorus Testing? - ANS Stannous Chloride

When sludge is incinerated what is the reduction in volume? - ANS 80%-90%

Four 8" pipes carry the same volume as? - ANS One 16" pipe

In backwashing of a mixed media filter, there is a bed expansion of how much? - ANS 10%

when water temperature increases the settling rate in a clarifier does what? - ANS Decreases

Before being used, a tertiary filter should be what? - ANS Backwashed

Coliform bacteria is More or Less resistant to chlorination than pathological bacteria? -
ANS More

What are always required for installing couplings? - ANS Precision Assembling Device

@2026/2027 ALLRIGHTS RESERVED.

, When an Air Flotation Unit is turned off, drain valves should be opened when? - ANS Only if it
will be off for a long time

Industrial Discharge for pre-treatment must meet specifications within? - ANS 3 Years

Phenolic wastes are treated with what? - ANS Chlorine

A centrifugal pump is running hot, a decrease in flow through the pump will do what? -
ANS Lower the Temperature

How often should air masks be inspected? - ANS Every 6 Months

What is the order from top to bottom for filtered materials? - ANS Coal, Sand, Garnet (CGS)

Microbial Growth rate does what? - ANS Increase rapidly in a short period, then decreases as
sludge age increases

Wire to Water Efficiency includes which measurements? - ANS Motor + Pump efficiency

If a trickling filter is restarted when the temp is under 55 Degrees, how long will it take to reach
full level of treatment? - ANS 4 - 9 Weeks

How do you start up an anaerobic digester? - ANS Half way with seed sludge, then add raw
sludge slowly

@2026/2027 ALLRIGHTS RESERVED.

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Uploaded on: April 9, 2026
Number of pages: 9
Written in: 2025/2026
Type: Exam (elaborations)
Contains: Questions & answers

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