ANSWERS
Where to place air release valves - ANS Along the high points of the line
Amount of lime to remove carbonate hardness - ANS Lime = co2 + bicarbonate + mg + excess
Algae properties - ANS Use light as energy, take up N and P, derive cell carbon from carbon
dioxide
For Streeter Phelps use time in - ANS Days
Algae concentration as P increases - ANS Will grow, consume the P die off, then decrease P
concentration
Well site is within recharge area - ANS Unconfined
Well site is not within recharge area - ANS Confined
Well penetrates two layers - ANS Confined
Large unit drawdown to produce large yields - ANS Confined aquifer
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, Contamination is likely to reach well water more quickly - ANS Unconfined
Specific Capacity of pump well = - ANS Q/(drawdown -elev)
Unconfined aquifer one dimensional flow - ANS Q = -kA(dh/dx)
Total aquifer transmissivity - ANS Is additive! T = k1b1 + k2b2...
Volume of Unit hydrograph - ANS 1/2 b * h
Pressure __ and v __ bernulli - ANS Drops and increases
2 12" pipes combine to 1 - ANS 16"
Lagoons must have - ANS 10x storage backwash for 24 hrs, depth of 3 ft, length = 4W
Place pressure meter - ANS Where there is pressure flow!
Extended aeration basin of activated sludge requires - ANS 3ft3/population equivalent
Total flow to storage = - ANS Max over 30 days - Max daily
Flumes are best for - ANS Flow measurement
Q ultimate for a fully underwater footing depends on - ANS Effective unit weight = Saturated
2
- unit weight of water
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