Utility Operations & Infrastructure Flashcards
7 cards from real UMC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Utility Operations & Infrastructure flashcards as text
What is the primary objective of a utility's 'emergency response plan' (ERP) for infrastructure failures?
Answer: Minimizing service disruption and restoring service safely and quickly
An ERP provides pre-established procedures, resource assignments, and communication protocols to safely restore service as quickly as possible following an infrastructure failure.
Which technique do electric utilities use to reduce transmission line losses over long distances by minimizing current flow?
Answer: Stepping up voltage to high levels for long-distance transmission
High-voltage transmission reduces current for a given power level (P=VI), which dramatically lowers resistive I²R losses in the transmission conductors.
In water distribution, what is the purpose of maintaining a minimum residual chlorine level throughout the system?
Answer: To prevent microbial regrowth in the distribution system piping
Residual disinfectant throughout the distribution system is required by the Surface Water Treatment Rule to suppress microbial regrowth between the treatment plant and customers.
A utility manager reviewing a capital improvement plan (CIP) is primarily concerned with:
Answer: Long-term investments in infrastructure renewal, expansion, and compliance
A CIP is a multi-year plan that identifies, prioritizes, and budgets capital expenditures for infrastructure projects needed to maintain system reliability, meet regulatory requirements, and support growth.
What is 'load shedding' in electric utility operations?
Answer: Intentionally disconnecting some customers to prevent total system collapse during emergencies
Load shedding is the deliberate reduction of electric load—often through rotating outages—to match available supply and prevent an uncontrolled system-wide blackout.
Which regulatory requirement obligates natural gas utilities to identify and rank pipeline segments by the consequences of a failure to prioritize inspection and maintenance?
Answer: Pipeline Integrity Management in High Consequence Areas (IMP-HCA)
The DOT Pipeline Integrity Management rule (49 CFR Part 192/195) requires operators to identify high consequence areas, assess risks, and prioritize inspections to prevent failures in those segments.
In utility construction projects, a 'right-of-way' (ROW) is best described as:
Answer: A legal authorization granting the utility access to install and maintain infrastructure on another party's land
A right-of-way is a legal interest—either an easement or fee simple ownership—that permits a utility to construct, operate, and maintain infrastructure across land owned by others.