CWEA Collections System Maintenance Grade 3 Latest

CWEA Collections System Maintenance Grade 3 Latest Update - 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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