Download Lineman Apprentice Underground Residential Distribution Systems exam with correct answers and more Exams Nursing in PDF only on Docsity!
Lineman||\||\ Apprentice||\||\ Underground||\||\
Residential||\||\ Distribution||\||\ Systems||\||\ exam||\||\
with||\||\ correct||\||\ answers
1-1.||\||\ True||\||\ or||\||\ False.||\||\ URD||\||\ systems||\||\ are||\||\ most||\||\ often||\||\ fed||\||\ from||\||\ overhead||\||\ primary||\||\ distribution||\||\ lines||\||\ through||\||\ terminations||\||\ often||\||\ called||\||\ risers.||\||\ - ||\||\ correct||\||\ answers||\||\ ✔✔True 1-2.||\||\ Circle||\||\ the||\||\ correct||\||\ answer||\||\ to||\||\ complete||\||\ the||\||\ following||\||\ sentence.||\||\ When||\||\ a||\||\ large||\||\ customer||\||\ of||\||\ three-phase||\||\ power||\||\ is||\||\ associated||\||\ with||\||\ a||\||\ URD||\||\ system,||\||\ the||\||\ system||\||\ may||\||\ be||\||\ fed||\||\ directly||\||\ from||\||\ a||\||\ ______________________||\||\ through||\||\ an||\||\ underground||\||\ feeder.||\||\ a)||\||\ substation||\||\ b)||\||\ subdivision||\||\ c)||\||\ switchyard||\||\ d)||\||\ feeder||\||\ buss||\||\ - ||\||\ correct||\||\ answers||\||\ ✔✔a)||\||\ substation
1-3.||\||\ True||\||\ or||\||\ False.||\||\ URD||\||\ system||\||\ equipment||\||\ must||\||\ be||\||\ designed||\||\ and||\||\ built||\||\ to||\||\ withstand||\||\ the||\||\ effects||\||\ of||\||\ moisture||\||\ and||\||\ corrosion.||\||\ - ||\||\ correct||\||\ answers||\||\ ✔✔True 1-4.||\||\ Circle||\||\ the||\||\ correct||\||\ answer||\||\ to||\||\ complete||\||\ the||\||\ following||\||\ sentence.||\||\ A||\||\ URD||\||\ system||\||\ connected||\||\ to||\||\ an||\||\ overhead||\||\ feeder||\||\ at||\||\ only||\||\ one||\||\ point||\||\ is||\||\ known||\||\ as||\||\ a||\||\ ______________________||\||\ feed||\||\ system.||\||\ a)||\||\ radial||\||\ b)||\||\ loop||\||\ c)||\||\ double||\||\ d)||\||\ riser||\||\ - ||\||\ correct||\||\ answers||\||\ ✔✔a)||\||\ radial 1-5.||\||\ Circle||\||\ the||\||\ correct||\||\ answer||\||\ to||\||\ complete||\||\ the||\||\ following||\||\ sentence.||\||\
2-1.||\||\ Circle||\||\ the||\||\ correct||\||\ answer||\||\ to||\||\ complete||\||\ the||\||\ following||\||\ sentence.||\||\ URD||\||\ systems||\||\ can||\||\ be||\||\ supplied||\||\ with||\||\ power||\||\ through||\||\ an||\||\ overhead||\||\ primary||\||\ source.||\||\ The||\||\ connection||\||\ is||\||\ referred||\||\ to||\||\ as||\||\ a||\||\ pothead.||\||\ Another||\||\ term||\||\ is||\||\ a||\||\ ______________________.||\||\ a)||\||\ grounded||\||\ terminator||\||\ b)||\||\ URD||\||\ termination||\||\ c)||\||\ pole||\||\ top||\||\ head||\||\ d)||\||\ URD||\||\ switch||\||\ - ||\||\ correct||\||\ answers||\||\ ✔✔b)||\||\ URD||\||\ termination 2-2.||\||\ Circle||\||\ the||\||\ correct||\||\ answer.||\||\ What||\||\ is||\||\ the||\||\ function||\||\ of||\||\ a||\||\ pothead?||\||\ a)||\||\ Provides||\||\ protection||\||\ for||\||\ the||\||\ overhead||\||\ URD||\||\ connection||\||\ b)||\||\ Designed||\||\ with||\||\ only||\||\ one||\||\ connection||\||\ to||\||\ an||\||\ overhead||\||\ source||\||\ c)||\||\ Weatherproof||\||\ enclosure||\||\ for||\||\ terminal||\||\ strips||\||\
d)||\||\ Terminal||\||\ strip||\||\ for||\||\ moisture-proof||\||\ covers||\||\ - ||\||\ correct||\||\ answers||\||\ ✔✔a)||\||\ Provides||\||\ protection||\||\ for||\||\ the||\||\ overhead||\||\ URD||\||\ connection 2-3.||\||\ Circle||\||\ the||\||\ correct||\||\ answer||\||\ to||\||\ complete||\||\ the||\||\ following||\||\ sentence.||\||\ When||\||\ a||\||\ URD||\||\ system||\||\ is||\||\ fed||\||\ from||\||\ an||\||\ underground||\||\ feeder,||\||\ the||\||\ connection||\||\ between||\||\ the||\||\ two||\||\ is||\||\ typically||\||\ made||\||\ with||\||\ a||\||\ ______________________.||\||\ a)||\||\ terminal||\||\ primary||\||\ strip||\||\ b)||\||\ pad-mounted||\||\ switch||\||\ c)||\||\ overhead||\||\ gang-operated||\||\ switch||\||\ d)||\||\ double||\||\ feed||\||\ design||\||\ - ||\||\ correct||\||\ answers||\||\ ✔✔b)||\||\ pad-mounted||\||\ switch 2-4.||\||\ Circle||\||\ the||\||\ correct||\||\ answer||\||\ to||\||\ complete||\||\ the||\||\ following||\||\ sentence.||\||\ Pad-mounted||\||\ transformers||\||\ ______________________.||\||\ a)||\||\ can||\||\ be||\||\ subsurface||\||\
URD||\||\ primary||\||\ cable||\||\ has||\||\ ______________________||\||\ in ||\||\ between||\||\ the||\||\ two||\||\ semiconductor||\||\ layers.||\||\ a)||\||\ a||\||\ concentric||\||\ neutral||\||\ b)||\||\ copper||\||\ conductor||\||\ c)||\||\ aluminum||\||\ conductor||\||\ d)||\||\ insulation||\||\ - ||\||\ correct||\||\ answers||\||\ ✔✔d)||\||\ insulation 3-2.||\||\ Circle||\||\ the||\||\ correct||\||\ answer||\||\ to||\||\ complete||\||\ the||\||\ sentence.||\||\ What||\||\ is||\||\ the||\||\ purpose||\||\ of||\||\ the||\||\ concentric||\||\ neutral||\||\ on||\||\ a||\||\ single-phase||\||\ primary||\||\ URD||\||\ cable?||\||\ a)||\||\ Provides||\||\ a||\||\ ground||\||\ for||\||\ the||\||\ length||\||\ of||\||\ the||\||\ cable||\||\ b)||\||\ Provides||\||\ protection||\||\ for||\||\ the||\||\ jacket||\||\ c)||\||\ Provides||\||\ a||\||\ voltage||\||\ source||\||\ for||\||\ the||\||\ ground||\||\ d)||\||\ All||\||\ of||\||\ the||\||\ above||\||\ - ||\||\ correct||\||\ answers||\||\ ✔✔a)||\||\ Provides||\||\ a||\||\ ground||\||\ for||\||\ the||\||\ length||\||\ of||\||\ the||\||\ cable 3-3.||\||\ True||\||\ or||\||\ False.||\||\
Underground||\||\ feeder||\||\ cable||\||\ typically||\||\ consists||\||\ of||\||\ three||\||\ separately||\||\ insulated||\||\ conductors||\||\ within||\||\ a||\||\ single||\||\ jacket.||\||\ - ||\||\ correct||\||\ answers||\||\ ✔✔True 3-4.||\||\ True||\||\ or||\||\ False.||\||\ Secondary||\||\ URD||\||\ cable||\||\ always||\||\ has||\||\ at||\||\ least||\||\ two||\||\ conductors.||\||\ - ||\||\ correct||\||\ answers||\||\ ✔✔False 3-5.||\||\ Circle||\||\ the||\||\ correct||\||\ answer||\||\ to||\||\ complete||\||\ the||\||\ sentence.||\||\ In||\||\ a||\||\ pad-mount||\||\ transformer,||\||\ the||\||\ connection||\||\ point||\||\ is||\||\ made||\||\ with||\||\ a||\||\ ______________________.||\||\ a)||\||\ load||\||\ break||\||\ elbow||\||\ b)||\||\ pedestal||\||\ c)||\||\ terminal||\||\ strip||\||\ d)||\||\ pothead||\||\ - ||\||\ correct||\||\ answers||\||\ ✔✔a)||\||\ load||\||\ break||\||\ elbow 3-6.||\||\ Circle||\||\ the||\||\ correct||\||\ answer||\||\ to||\||\ complete||\||\ the||\||\ sentence.||\||\
Which||\||\ of||\||\ the||\||\ following||\||\ may||\||\ be||\||\ included||\||\ in||\||\ a||\||\ URD||\||\ cable||\||\ trench?||\||\ a)||\||\ Three-phase||\||\ primary||\||\ cable||\||\ b)||\||\ Secondary||\||\ cable||\||\ c)||\||\ Spare||\||\ conduit||\||\ d)||\||\ Other||\||\ utilities||\||\ e)||\||\ All||\||\ of||\||\ the||\||\ above||\||\ - ||\||\ correct||\||\ answers||\||\ ✔✔e)||\||\ All||\||\ of||\||\ the||\||\ above 4-3.||\||\ True||\||\ or||\||\ False.||\||\ Damage||\||\ to||\||\ insulation||\||\ during||\||\ installation||\||\ is||\||\ one||\||\ of||\||\ the||\||\ primary||\||\ reasons||\||\ for||\||\ URD||\||\ cable||\||\ faults.||\||\ - ||\||\ correct||\||\ answers||\||\ ✔✔True 4-4.||\||\ Circle||\||\ the||\||\ correct||\||\ answer.||\||\ Above-ground||\||\ transformers||\||\ and||\||\ switches||\||\ can||\||\ generally||\||\ be||\||\ mounted||\||\ on||\||\ all||\||\ of||\||\ the||\||\ following||\||\ EXCEPT||\||\ which||\||\ one?||\||\ a)||\||\ Pre-formed||\||\ steel||\||\ b)||\||\ Plastic||\||\
c)||\||\ Pre-formed||\||\ concrete||\||\ d)||\||\ Concrete||\||\ poured||\||\ onsite||\||\ - ||\||\ correct||\||\ answers||\||\ ✔✔a)||\||\ Pre-formed||\||\ steel 4-5.||\||\ True||\||\ or||\||\ False.||\||\ Subsurface||\||\ transformers||\||\ are||\||\ installed||\||\ in||\||\ vaults||\||\ that||\||\ are||\||\ capped||\||\ with||\||\ concrete||\||\ and||\||\ are||\||\ not||\||\ easily||\||\ accessible.||\||\ - ||\||\ correct||\||\ answers||\||\ ✔✔False 5-1.||\||\ Circle||\||\ the||\||\ correct||\||\ answer.||\||\ What||\||\ is||\||\ the||\||\ most||\||\ important||\||\ component||\||\ for||\||\ all||\||\ URD||\||\ equipment||\||\ inspections?||\||\ a)||\||\ Effective||\||\ grounds||\||\ b)||\||\ Corrosion||\||\ c)||\||\ Identification||\||\ d)||\||\ All||\||\ of||\||\ the||\||\ above||\||\ e)||\||\ Only||\||\ a||\||\ and||\||\ b||\||\ - ||\||\ correct||\||\ answers||\||\ ✔✔d)||\||\ All||\||\ of||\||\ the||\||\ above
5-5.||\||\ Circle||\||\ the||\||\ correct||\||\ answer.||\||\ Checks||\||\ that||\||\ can||\||\ be||\||\ performed||\||\ on||\||\ the||\||\ outside||\||\ of||\||\ a||\||\ pad-mounted||\||\ switch||\||\ cabinet||\||\ include||\||\ all||\||\ of||\||\ the||\||\ following||\||\ EXCEPT||\||\ which||\||\ one?||\||\ a)||\||\ Cabinet||\||\ damage||\||\ b)||\||\ Centered||\||\ on||\||\ the||\||\ ground||\||\ c)||\||\ Door||\||\ tampering||\||\ d)||\||\ Firmly||\||\ in||\||\ place||\||\ - ||\||\ correct||\||\ answers||\||\ ✔✔b)||\||\ Centered||\||\ on||\||\ the||\||\ ground 6-1.||\||\ Circle||\||\ the||\||\ correct||\||\ answer||\||\ to||\||\ complete||\||\ the||\||\ sentence.||\||\ De-energizing||\||\ part||\||\ of||\||\ a||\||\ URD||\||\ system||\||\ could||\||\ involve||\||\ interrupting||\||\ service||\||\ to||\||\ customers.||\||\ Therefore,||\||\ URD||\||\ systems||\||\ are||\||\ often||\||\ designed||\||\ and||\||\ operated||\||\ so||\||\ that||\||\ work||\||\ can||\||\ be||\||\ done||\||\ with||\||\ the||\||\ least ||\||\ interruption||\||\ possible.||\||\ This||\||\ demonstrates||\||\ the||\||\ ______________________||\||\ of||\||\ the||\||\ system.||\||\ a)||\||\ complicated||\||\ switching||\||\ schemes||\||\ b)||\||\ simplified||\||\ switching||\||\ operations||\||\
c)||\||\ flexibility||\||\ d)||\||\ various||\||\ service||\||\ options||\||\ - ||\||\ correct||\||\ answers||\||\ ✔✔c)||\||\ flexibility 6-2.||\||\ Circle||\||\ the||\||\ correct||\||\ answer||\||\ to||\||\ complete||\||\ the||\||\ sentence.||\||\ In||\||\ an||\||\ open||\||\ loop||\||\ system,||\||\ any||\||\ equipment||\||\ problem ||\||\ that||\||\ occurs||\||\ in||\||\ one||\||\ half||\||\ of||\||\ the||\||\ loop||\||\ will||\||\ affect||\||\ the||\||\ other||\||\ half||\||\ unless||\||\ ______________________.||\||\ a)||\||\ the||\||\ loop||\||\ is||\||\ open||\||\ in||\||\ the||\||\ middle||\||\ b)||\||\ the||\||\ transformers||\||\ are||\||\ isolated||\||\ c)||\||\ the||\||\ loop||\||\ is||\||\ divided||\||\ into||\||\ three||\||\ sections||\||\ d)||\||\ None||\||\ of||\||\ these||\||\ are||\||\ correct||\||\ - ||\||\ correct||\||\ answers||\||\ ✔✔a)||\||\ the||\||\ loop||\||\ is||\||\ open||\||\ in||\||\ the||\||\ middle 6-3.||\||\ True||\||\ or||\||\ False.||\||\ It||\||\ is||\||\ a||\||\ general||\||\ practice||\||\ to||\||\ isolate||\||\ cables||\||\ on||\||\ both||\||\ sides||\||\ of||\||\ a||\||\ piece||\||\ of||\||\ equipment||\||\ being||\||\ replaced.||\||\ - ||\||\ correct||\||\ answers||\||\ ✔✔True
