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Grade A+
, Wet well probe systems are usually used for---- D. Single point
determination(s) of level.
A. Approximate
B. Dual point
C. continuous
D. Single point
A foreman's monthly report should include the B. Number of complaints received and investigated.
A. Last time the supervisor read the report
B. Number of complaints received and investigated
C. number of monthly reports prepared
D. Number if qualifiable worker's available
Solids that settle out in the bottom of a wet well are D. Settleable solids
called
A. scum
B. Colloidal solids
C. suspended solids
D. Settleable solids
What determines the amount of hydrogen sulfide C. pH
produced in a sewer?
A. BOD concentration
B. DO concentration
C. pH
D. SS concentration
Two pumps of the same capacity operate together with a B. more than one pump, but not twice as much
single main. The discharge will be--- in a typical pump
station.
A. the same as one pump
B. more than one pump, but not twice as much
C. twice as much as one pump
D. more than twice as much as one pump
Which of the following is an indicator normally used for D. Coliforms
determination of water pollution?
A. Fungi
B. Stapylococcus
C. Algae
D. Coliforms
What function does a ground fault circuit interrupter C. Opens the circuit
(GFCI) perform when there is an imbalance of current
between the hot and neutral conductors of a circuit?
A. bypass the ground fault
B. grounds the equipment
C. opens the circuit
D. rebalances the current
Plastic (PVC) pipe exposed to sunlight requires? A. a protective coating
A. a protective coating
B. Solvent weld fittings
C. Special vertical support
D. Nothing special
The most important factor affecting the useful life of A. The ability of the materials used to resist internal and external corrosion
piping is?
A. The ability of the materials used to resist internal and
external corrosion
B. the depth of the pipe
C. the flexibility of the pipe
D. the smoothness of the inside of the pipe