CWEA Collections System Maintenance Grade 3 Latest Update 2024-2025 Actual Exam Questions and 100% Verified Correct Answers Guaranteed A+
"enclosed", "open", and "semi-closed" are terms used to describe what pump part?
- Stuffing box
- Lantern ring
- Impeller
d. Bearings - CORRECT ANSWER:
A Category 1 SSO is:
- any volume reaching surface waters.
- any volume entering a storm drain and not recovered .
- any spill greater than 1000 gallons.
d. all of the above. - CORRECT ANSWER:
A category 2 SSO is:
- any SSO which does not reach surface waters.
- not reportable.
- preventable.
- any SSO which is not category 1. - CORRECT ANSWER: d. any SSO which is not category 1.
A condition which can cause cavitation in a pump is:
- an air leak on suction side.
- clear water being pumped.
- a fully opened suction valve.
d. operating within design curve. - CORRECT ANSWER:
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A Flagger should Stand?
- On the shoulder adjacent to traffic being controlled
- In the closed lane before stopping vehicle traffic
- In the traffic lane.
- As stated in "A" or "B" above. - CORRECT ANSWER: D. As stated in "A" or "B" above.
A good manager:
- sets goals.
- waits for an emergency to happen.
- resists changes.
d. blames others for his mistakes. - CORRECT ANSWER:
A kilowatt is the equivalent of:
- 0.67 amperes at a voltage of 120.
- 1.34 horsepower.
- 746 watts.
d. 1,000 megacycles. - CORRECT ANSWER: b. 1.34 horsepower.
A maintenance budget:
- is not concerned with capitol replacement.
- does not consider equipment-operating conditions.
- must be justifiable.
d. does not relate to future needs. - CORRECT ANSWER:
A mechanical ventilation system in a lift station wet well should be able to exchange the air in the wet well how many times an hour?
- 10
- 20
- 30 2 / 3
d. 60 - CORRECT ANSWER:
A pump is pumping less than its expected rate of discharge. What could be the cause?
- Speed of motor too high.
- Pump is primed.
- Impeller clogged.
d. Discharge head too low. - CORRECT ANSWER:
A source of infiltration in a collection system is:
- new pipes.
- proper joint pipes.
- pipe liners
d. broken pipe joints - CORRECT ANSWER: d. broken pipe joints
A torque wrench is used to tighten which device?
- Pipe clamp.
- Drill chuck.
- Light bulb.
d. Sheet metal screw - CORRECT ANSWER: a. Pipe clamp.
After a collection system problem has been solved, you should:
- wait until next week to fill out the report forms.
- take a break.
- go home.
- evaluate the effectiveness of the results. - CORRECT ANSWER: d. evaluate the effectiveness of the
results.
An organization chart for a utility can be helpful for several reasons. Which of the following is the least valid objective of an organization chart?
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