Wastewater Review 1 Grade 1 And 2

Front 1

The only reason for a wastewater treatment plant is to protect downstream water users. T or F

Back 1

True

Front 2

Hydrocarbons in the plant influent are a fire hazard. T or F

Back 2

True

Front 3

You should be careful when discussing your wastewater exam as divulging test questions can jeopardize your operator certificate. T or F

Back 3

True

Front 4

Point source discharge examples include: municipal , industrial, and agricultural wastewater treatment plants. T or F

Back 4

True

Front 5

Q=(A)(V). T or F

Back 5

True

Front 6

Saponifiable greases and organic will eventually stabilize . T or F

Back 6

True

Hint 6

Able to convert to a soap

Front 7

Temperature has little influence on solids settling. T or F

Back 7

False

Front 8

Pumping sludge from a clarifier several times a day will help prevent sludge coning. T or F

Back 8

True

Front 9

If sludge is too thick to pump add water and run pump at maximum speed for best results. T or F

Back 9

False

Hint 9

Lines should be flushed and fully open

Front 10

Solids will settle slower in warmer water than colder water. T or F

Back 10

False

Hint 10

Solids settle faster in warmer water

Front 11

As filter media void space increases it becomes a poor media for use with trickling filters. T or F

Back 11

False

Hint 11

Voided space does not affect

Front 12

Evenly spaced ports on a trickling filter distributor arm will ensure uniform fluid distribution. T or F

Back 12

False

Front 13

With two stage trickling filters , flow is circulated back twice just as with three stage trickling filters, flow is circulated back three times. T or F

Back 13

False

Front 14

Following a trickling filter there will be a clarifier to remove solids and biological material. T or F

Back 14

True

Front 15

Solids are removed in a trickling filter by media filtering action. T or F

Back 15

False