All of the Following Can Be Used to Dispose of the Sludge

question 13

Multiple Choice

All of the following can be used to dispose of the sludge formed during wastewater treatment except:

• A) application to soil as a fertilizer.
• B) incineration.
• C) ocean dumping.
• D) anaerobic digestion.
• E) filtration through activated carbon granules.

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Definitions:

Present Value

The current worth of a future sum of money or stream of cash flows, given a particular rate of discount.

Sinking Fund

A fund established by a government or corporation for the purpose of reducing debt by repurchasing bonds or shares.

Maturity

The date on which a debt instrument (such as a bond) is due to be repaid in full.

EAR

The Effective Annual Rate; a measure of the annual return on an investment or loan that takes into account the effect of compounding interest.