Inspection & Quality Control Flashcards
7 cards from real BGE practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Inspection & Quality Control flashcards as text
A BGE lineman performing a hot-stick visual inspection notices a cracked suspension clamp on a 69 kV transmission line. What hazard does this present?
Answer: Increased line sag leading to reduced ground clearance and potential flashover
A cracked suspension clamp can fail under conductor tension, causing the conductor to drop, increase sag, violate ground clearance minimums, and risk flashover or contact with people.
During a gas distribution leak survey using a combustible gas indicator (CGI), a reading of 10% of the lower explosive limit (LEL) is obtained in a confined space. What action is required?
Answer: Evacuate the area and follow emergency leak procedures
A 10% LEL reading in a confined space requires immediate evacuation and activation of emergency leak response procedures per BGE and DOT pipeline safety standards.
What is the purpose of the 'squeeze-off' pressure test sometimes used on polyethylene (PE) gas service lines?
Answer: To verify line integrity and isolate a section for inspection or repair without excavating the full line
Squeeze-off tools mechanically compress PE pipe to stop gas flow, allowing a section to be isolated and pressure-tested or repaired with minimal excavation.
An inspector reviewing a contractor's daily QC logs notices that pressure test readings are consistently exactly at the minimum required value. What concern should this raise?
Answer: Possible data falsification or equipment calibration issues, warranting a verification audit
Results that consistently land exactly at the minimum threshold are statistically improbable and may indicate falsified records or a systematic calibration error requiring investigation.
Which standard governs the qualification and testing requirements for plastic pipe fusion operators working on BGE gas systems?
Answer: ASME B31.8 operator qualification and 49 CFR Part 192 Subpart N
49 CFR Part 192 Subpart N (Operator Qualification) and ASME B31.8 require covered task qualification, including plastic pipe fusion, for all gas pipeline operators.
When inspecting electrical cable insulation before installation, what does a 'megger' test measure?
Answer: The insulation resistance in megohms to detect insulation deterioration or damage
A megohmmeter (megger) applies a high DC voltage to measure insulation resistance; low values indicate moisture intrusion, physical damage, or insulation degradation.
Under BGE's inspection procedures, what is the required action when an inspector identifies a condition that poses an imminent public safety hazard?
Answer: Immediately notify the appropriate BGE emergency response and document the condition
Imminent public safety hazards require immediate notification of BGE emergency response teams so protective action can be taken without delay—documentation follows but action comes first.