UMC Utility Operations & Infrastructure 2

Question 1

What is the primary purpose of a SCADA system in utility operations?

Accepted Answer

Monitoring and controlling remote infrastructure in real time

Answer

SCADA (Supervisory Control and Data Acquisition) systems allow utility operators to remotely monitor and control infrastructure such as pumps, valves, and substations in real time.

Question 2

Which water treatment process removes dissolved minerals such as calcium and magnesium to reduce hardness?

Accepted Answer

Ion exchange softening

Answer

Ion exchange softening replaces hardness-causing calcium and magnesium ions with sodium ions, effectively reducing water hardness.

Question 3

In electric distribution systems, what device automatically isolates a faulted section while keeping the rest of the network energized?

Accepted Answer

Sectionalizer

Answer

A sectionalizer counts fault current interruptions and opens to isolate the faulted section after an upstream recloser operates.

Question 4

A utility's integrated resource plan (IRP) is primarily used to:

Accepted Answer

Forecast long-term supply and demand and plan for future resources

Answer

An IRP is a long-range planning document that balances projected demand growth against supply options including generation, efficiency, and demand response.

Question 5

What does the term 'non-revenue water' (NRW) refer to in a water utility?

Accepted Answer

Water produced but not billed due to leaks, theft, or metering errors

Answer

Non-revenue water is the difference between water put into the distribution system and water billed to customers, encompassing physical losses, unbilled authorized uses, and apparent losses.

(UMC) Utility Management Certification Practice Test

(UMC) Utility Management Certification Practice Test

UMC Utility Operations & Infrastructure 2