WATER DISTRIBUTION GRADE 3 TEST WITH LATEST
UPDATED (QUESTIONS AND ANSWERS) ALREADY PASSED!
A water storage tanks overflow pipe should have a ____ on the outlet
A. Gate valve
B. Plug
C. Flapper Valve
D. P-trap Correct Answers C. Flapper valve
What must aerobic organisms have to live an multiply ?
A. The Presence of nitrate
B. The Presence of oxygen
C. The absence of hydrogen sulfide
D. The absence of methane Correct Answers B. The Presence of oxygen
The most effective way to obtain an employee's cooperation with a plan
is to let her / him know.
A. That will hold them personally responsible for the plan
B. That you will or will not be available in the implantation of the plan
C. The part he/she has played in originating and/or implementing the
plan
D. You will assume full responsibility Correct Answers C. The part
he/she has played in originating and/or implementing the plan
Which is the correct type of valve for controlling the level of a treated
water storage reservoir below the level of the hydraulic grade
,A. Altitude valve
B. Check Valve
C. Pressure relief valve
D. Reduced pressure backflow valve Correct Answers A. Altitude valve
Which is the best way to increase the dosage of any liquid chemical ?
A. Increase the number of strokes/minutes of the gravimetric feeder
B. Increase the stroke length of the chemical pump
C. Decrease the flow and maintain the same chemical feed rate
D. Chemical Dosages don't need to be changed Correct Answers A.
Increase the number of strokes/minutes of the gravimetric feeder
Which of the following Describes the best way to remove calcium
deposits from a hypochlorite feed pump
A. Replace all the parts that have calcium deposits
B. Use a strong alkaline solution to dissolve the calcium deposits
C. Use an acid solution to dissolve the calcium deposits
D. Backflush the pump with the chlorine free water Correct Answers C.
Use an acid solution to dissolve the calcium deposits
Which of the following is an important aspect in the security of scada
controlled system.
A. Server all ethernet connections to scada system
B. Designate a single person to have complete access to scada system
, C. Limit access to managers and supervisors
D. Eliminate backdoor access left by installation contractors Correct
Answers D. Eliminate backdoor access left by installation contractors
50 gallons of chemical solution containing 3 pounds of chemical per
gallon are added to a solution containing 2 pounds of chemical per
gallon. How many pounds of chemical of the new solution ?
A. 2.1 pounds per gallon
B. 2.3 pounds per gallon
C. 2.5 pounds per gallon
D. 2.7 pounds per gallon Correct Answers
A horizontal centrifugal pup is being installed, When the pump is
initially started, there is immediate severe vibration. This is most likely
caused by.
A. Air in the suction line
B. Bearings that are too hot
C. Cavitation of the pump housing
D. Misalignment between the motor and pump Correct Answers D.
Misalignment between the motor and pump
Pressure testing a water main requires that the main be filled, the air
removed, and the section to be tested under pressure that is the least
what percentage greater than system pressure.
A. 10%
UPDATED (QUESTIONS AND ANSWERS) ALREADY PASSED!
A water storage tanks overflow pipe should have a ____ on the outlet
A. Gate valve
B. Plug
C. Flapper Valve
D. P-trap Correct Answers C. Flapper valve
What must aerobic organisms have to live an multiply ?
A. The Presence of nitrate
B. The Presence of oxygen
C. The absence of hydrogen sulfide
D. The absence of methane Correct Answers B. The Presence of oxygen
The most effective way to obtain an employee's cooperation with a plan
is to let her / him know.
A. That will hold them personally responsible for the plan
B. That you will or will not be available in the implantation of the plan
C. The part he/she has played in originating and/or implementing the
plan
D. You will assume full responsibility Correct Answers C. The part
he/she has played in originating and/or implementing the plan
Which is the correct type of valve for controlling the level of a treated
water storage reservoir below the level of the hydraulic grade
,A. Altitude valve
B. Check Valve
C. Pressure relief valve
D. Reduced pressure backflow valve Correct Answers A. Altitude valve
Which is the best way to increase the dosage of any liquid chemical ?
A. Increase the number of strokes/minutes of the gravimetric feeder
B. Increase the stroke length of the chemical pump
C. Decrease the flow and maintain the same chemical feed rate
D. Chemical Dosages don't need to be changed Correct Answers A.
Increase the number of strokes/minutes of the gravimetric feeder
Which of the following Describes the best way to remove calcium
deposits from a hypochlorite feed pump
A. Replace all the parts that have calcium deposits
B. Use a strong alkaline solution to dissolve the calcium deposits
C. Use an acid solution to dissolve the calcium deposits
D. Backflush the pump with the chlorine free water Correct Answers C.
Use an acid solution to dissolve the calcium deposits
Which of the following is an important aspect in the security of scada
controlled system.
A. Server all ethernet connections to scada system
B. Designate a single person to have complete access to scada system
, C. Limit access to managers and supervisors
D. Eliminate backdoor access left by installation contractors Correct
Answers D. Eliminate backdoor access left by installation contractors
50 gallons of chemical solution containing 3 pounds of chemical per
gallon are added to a solution containing 2 pounds of chemical per
gallon. How many pounds of chemical of the new solution ?
A. 2.1 pounds per gallon
B. 2.3 pounds per gallon
C. 2.5 pounds per gallon
D. 2.7 pounds per gallon Correct Answers
A horizontal centrifugal pup is being installed, When the pump is
initially started, there is immediate severe vibration. This is most likely
caused by.
A. Air in the suction line
B. Bearings that are too hot
C. Cavitation of the pump housing
D. Misalignment between the motor and pump Correct Answers D.
Misalignment between the motor and pump
Pressure testing a water main requires that the main be filled, the air
removed, and the section to be tested under pressure that is the least
what percentage greater than system pressure.
A. 10%
