Wastewater collections grade 1
Exam
2026–2027 | Real Exam Questions With
Verified Correct Solutions |100%
Guaranteed Pass!! | Latest Version |
Grade A+
, Evidence of a chlorine leak can be detected by? D) Green or reddish deposits on material
A) checking the leak gauge
B) An explosimeter
C) Spring water on suspected leaks
D) Green or reddish deposits on material
A pump that operates continuously needs to be A) Daily
inspected for cleanliness and leakage?
A) Daily
B) Weekly
C) Monthly
D) Yearly
In a pressure sensing controller, for every foot water A) 0.433 psi per foot
rises in a wet well, how much psi air will be required to
overcome the water pressure?
A) 0.433 psi per foot
B) 0.866 psi per foot
C) 7.480 psi per foot
D) 8.340 psi per foot
Which of the following is required for the maintenance C) Proper alignment
of couplings between the driving and driven elements?
A) Proper tuning
B) Proper Curvature
C) Proper alignment
D) Proper moisture draining
Check valves are used to? C) Permit flow in only one direction
A) Stop flow in both directions
B) Regulate velocity
C) Permit flow in only one direction
D) Permit air to escape from the pipe
What common error in maintenance of bearings cause B) Overlubricating the bearings
heat problems?
A) Lubricating the pump while it is not running
B) Overlubricating the bearings
C) Lubricating on the wrong day
D) Lubricating on the same day of the week
How is the rate of air from the ventilation blower A) Cubic feet per minute
normally measured?
A) Cubic feet per minute
B) Milligrams per liter
C) Feet per minute
D) Grains per gallon
Exam
2026–2027 | Real Exam Questions With
Verified Correct Solutions |100%
Guaranteed Pass!! | Latest Version |
Grade A+
, Evidence of a chlorine leak can be detected by? D) Green or reddish deposits on material
A) checking the leak gauge
B) An explosimeter
C) Spring water on suspected leaks
D) Green or reddish deposits on material
A pump that operates continuously needs to be A) Daily
inspected for cleanliness and leakage?
A) Daily
B) Weekly
C) Monthly
D) Yearly
In a pressure sensing controller, for every foot water A) 0.433 psi per foot
rises in a wet well, how much psi air will be required to
overcome the water pressure?
A) 0.433 psi per foot
B) 0.866 psi per foot
C) 7.480 psi per foot
D) 8.340 psi per foot
Which of the following is required for the maintenance C) Proper alignment
of couplings between the driving and driven elements?
A) Proper tuning
B) Proper Curvature
C) Proper alignment
D) Proper moisture draining
Check valves are used to? C) Permit flow in only one direction
A) Stop flow in both directions
B) Regulate velocity
C) Permit flow in only one direction
D) Permit air to escape from the pipe
What common error in maintenance of bearings cause B) Overlubricating the bearings
heat problems?
A) Lubricating the pump while it is not running
B) Overlubricating the bearings
C) Lubricating on the wrong day
D) Lubricating on the same day of the week
How is the rate of air from the ventilation blower A) Cubic feet per minute
normally measured?
A) Cubic feet per minute
B) Milligrams per liter
C) Feet per minute
D) Grains per gallon
