NGWA WATER SYSTEMS LESS THAN 100 GPM: KEY COMPONENTS & MAINTENANCE
2026/2027 | COMPLETE STUDY GUIDE, PRACTICE QUESTIONS & ANSWERS
What is the primary reason for installing a check valve in the discharge line? - correct answer
✔✔To prevent backflow and protect the pump
When should a water system undergo routine maintenance? - correct answer ✔✔Regularly, as
per manufacturer and industry recommendations
Which water parameter indicates high mineral content and water hardness? - correct answer
✔✔Elevated calcium and magnesium levels
What is the typical purpose of a water softener? - correct answer ✔✔To reduce mineral
hardness and prevent scale buildup
Which well component is designed to control and shut off water flow when system pressure
reaches a preset limit? - correct answer ✔✔Pressure switch
Why is it important to use a properly rated circuit breaker for pump motors? - correct answer
✔✔To protect the motor from overloads and electrical faults
What is the main function of a well cap? - correct answer ✔✔To prevent debris, insects, and
surface water from entering the well
Which safety measure is critical when lifting heavy pump equipment? - correct answer
✔✔Using proper lifting techniques and equipment
When troubleshooting low water flow, what is a good first step? - correct answer ✔✔Inspect for
pipe blockages or leaks
2026/2027 | COMPLETE STUDY GUIDE, PRACTICE QUESTIONS & ANSWERS
What is the primary reason for installing a check valve in the discharge line? - correct answer
✔✔To prevent backflow and protect the pump
When should a water system undergo routine maintenance? - correct answer ✔✔Regularly, as
per manufacturer and industry recommendations
Which water parameter indicates high mineral content and water hardness? - correct answer
✔✔Elevated calcium and magnesium levels
What is the typical purpose of a water softener? - correct answer ✔✔To reduce mineral
hardness and prevent scale buildup
Which well component is designed to control and shut off water flow when system pressure
reaches a preset limit? - correct answer ✔✔Pressure switch
Why is it important to use a properly rated circuit breaker for pump motors? - correct answer
✔✔To protect the motor from overloads and electrical faults
What is the main function of a well cap? - correct answer ✔✔To prevent debris, insects, and
surface water from entering the well
Which safety measure is critical when lifting heavy pump equipment? - correct answer
✔✔Using proper lifting techniques and equipment
When troubleshooting low water flow, what is a good first step? - correct answer ✔✔Inspect for
pipe blockages or leaks
