CWEA COLLECTIONS GRADE 3 WITH CORRECT QUESTIONS
WITH CORRECT ANALYZED SOLUTIONS
Manholes are installed in sewer lines for the access of:
A. Backflow devices.
B. Personnel and materials
C. Traffic control devices.
D. Survey equipment.
B. Personnel and materials
Anaerobic wastewater is frequently corrosive to materials it
contacts, especially:
A. Coal tar enamel.
B. Concrete.
C. Stainless steel.
D. Plastic.
B. Concrete.
Pipe materials that are the least susceptible to corrosion by
acids formed from gases generated in sewers is:
A. Acp.
B. Cip.
C. Rcp.
D. Vcp.
,D. Vcp.
Repairs to manholes include:
A. Adjusting the alignment.
B. Correcting cavitation damages.
C. Raising frame and cover to grade.
D. Tightening packing
C. Raising frame and cover to grade.
Liners are installed in sewers to correct problems caused by:
A. Grade alignment.
B. Grease.
C. Grit.
D. Infiltration.
D. Infiltration.
A kilowatt is the equivalent of:
A. 0.67 amperes at a voltage of 120.
B. 1.34 horsepower.
C. 746 watts.
D. 1,000 megacycles.
B. 1.34 horsepower.
, What factors should be considered when providing trench
shoring?
A. Grade of sewer.
B. Pipe material.
C. Structures or sources of vibration near trenches.
D. Cost of shoring.
C. Structures or sources of vibration near trenches.
When sewer line grades are too flat, an odor problem is likely
to result. The most likely cause of the odor problem is
decreased velocity which:
A. Allows decomposable solids to settle.
B. Decreases the treatment time in the lines.
C. Increases the treatment time of inorganic solids.
D. Allow decomposable solids to be suspended.
A. Allows decomposable solids to settle.
After a collection system problem has been solved, you
should:
A. Wait until next week to fill out the report forms.
B. Take a break.
C. Go home.
D. Evaluate the effectiveness of the results.
WITH CORRECT ANALYZED SOLUTIONS
Manholes are installed in sewer lines for the access of:
A. Backflow devices.
B. Personnel and materials
C. Traffic control devices.
D. Survey equipment.
B. Personnel and materials
Anaerobic wastewater is frequently corrosive to materials it
contacts, especially:
A. Coal tar enamel.
B. Concrete.
C. Stainless steel.
D. Plastic.
B. Concrete.
Pipe materials that are the least susceptible to corrosion by
acids formed from gases generated in sewers is:
A. Acp.
B. Cip.
C. Rcp.
D. Vcp.
,D. Vcp.
Repairs to manholes include:
A. Adjusting the alignment.
B. Correcting cavitation damages.
C. Raising frame and cover to grade.
D. Tightening packing
C. Raising frame and cover to grade.
Liners are installed in sewers to correct problems caused by:
A. Grade alignment.
B. Grease.
C. Grit.
D. Infiltration.
D. Infiltration.
A kilowatt is the equivalent of:
A. 0.67 amperes at a voltage of 120.
B. 1.34 horsepower.
C. 746 watts.
D. 1,000 megacycles.
B. 1.34 horsepower.
, What factors should be considered when providing trench
shoring?
A. Grade of sewer.
B. Pipe material.
C. Structures or sources of vibration near trenches.
D. Cost of shoring.
C. Structures or sources of vibration near trenches.
When sewer line grades are too flat, an odor problem is likely
to result. The most likely cause of the odor problem is
decreased velocity which:
A. Allows decomposable solids to settle.
B. Decreases the treatment time in the lines.
C. Increases the treatment time of inorganic solids.
D. Allow decomposable solids to be suspended.
A. Allows decomposable solids to settle.
After a collection system problem has been solved, you
should:
A. Wait until next week to fill out the report forms.
B. Take a break.
C. Go home.
D. Evaluate the effectiveness of the results.
