Examination 2026 – Practice Questions and Answers
(PDF) with Detailed Rationales
1. What is the primary purpose of utility compliance inspections?
A. Increase utility profits
B. Ensure regulatory and safety compliance
C. Reduce customer billing rates
D. Design new utility systems
B. Ensure regulatory and safety compliance
Utility inspections focus on verifying that systems meet safety codes,
environmental regulations, and operational standards.
2. Which agency primarily regulates investor-owned utilities in
California?
A. EPA
B. CPUC
C. OSHA
D. FERC
B. CPUC
The California Public Utilities Commission oversees investor-owned
utilities and enforces compliance standards.
3. What is the main risk of gas pipeline overpressure?
A. Reduced billing accuracy
B. Equipment overheating
C. Pipeline rupture and explosion
,D. Increased water contamination
C. Pipeline rupture and explosion
Excess pressure can exceed material limits, causing catastrophic
failure.
4. What device is used to prevent overpressure in utility systems?
A. Flow meter
B. Pressure relief valve
C. Transformer
D. Regulator gauge
B. Pressure relief valve
Relief valves automatically release excess pressure to maintain safe
operating levels.
5. Which document defines safety procedures for utility workers?
A. Marketing plan
B. Safety manual
C. Construction blueprint
D. Financial report
B. Safety manual
Safety manuals outline procedures to minimize workplace hazards.
6. What is a key indicator of electrical system overload?
A. Reduced resistance
B. Increased insulation strength
C. Tripped breakers
D. Lower voltage stability
C. Tripped breakers
Breakers trip to protect systems from excessive current flow.
, 7. What is the purpose of grounding in utility systems?
A. Increase voltage
B. Prevent energy loss
C. Provide a safe path for fault current
D. Improve billing accuracy
C. Provide a safe path for fault current
Grounding protects personnel and equipment by redirecting fault
currents.
8. Which hazard is most associated with confined spaces in utility
work?
A. Noise pollution
B. Oxygen deficiency
C. High voltage only
D. Excess lighting
B. Oxygen deficiency
Confined spaces may lack sufficient oxygen or contain toxic gases.
9. What is the function of a transformer in electrical utilities?
A. Store electricity
B. Change voltage levels
C. Measure resistance
D. Control billing
B. Change voltage levels
Transformers step voltage up or down for efficient transmission.
10. What does SCADA stand for in utility systems?