Download Lineman Apprentice Test Exam with Correct Answers and more Exams Nursing in PDF only on Docsity!
Lineman||\||\ Apprentice||\||\ Test||\||\ exam||\||\
with||\||\ correct||\||\ answers
The||\||\ difference ||\||\ in||\||\ a||\||\ 3 ||\||\ wire||\||\ &||\||\ 4 ||\||\ wire||\||\ distribution ||\||\ circuit ||\||\ is?||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔the||\||\ Neutral ||\||\ wire What ||\||\ is||\||\ the||\||\ formula||\||\ for||\||\ power ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔P=VxI Transmission ||\||\ voltage ||\||\ is||\||\ generally ||\||\ _________||\||\ to||\||\ _________.||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔138,000||\||\ to||\||\ 765,000||\||\ volts If||\||\ the||\||\ diameter||\||\ of||\||\ the||\||\ pole ||\||\ to||\||\ be||\||\ set||\||\ is||\||\ 10",||\||\ the||\||\ diameter||\||\ of||\||\ the||\||\ hole||\||\ should ||\||\ be||\||\ ____||\||\ to||\||\ allow ||\||\ sufficient ||\||\ room||\||\ for||\||\ tamping. ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔16",||\||\ 3"||\||\ on||\||\ each||\||\ side ||\||\ of||\||\ the||\||\ pole What ||\||\ are||\||\ the||\||\ component ||\||\ parts||\||\ of||\||\ a||\||\ distribution ||\||\ system?||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔Distribution ||\||\ Substation, ||\||\ feeder||\||\ circuits, ||\||\ switches, ||\||\ protective ||\||\ equipment, ||\||\ primary||\||\ circuits, ||\||\ distribution ||\||\ transformers, ||\||\ secondaries, ||\||\ services. An||\||\ advantage ||\||\ of||\||\ a||\||\ Wye||\||\ Primary||\||\ system ||\||\ over||\||\ a||\||\ Delta||\||\ primary||\||\ system ||\||\ is?||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔Increased ||\||\ power ||\||\ carrying||\||\ capacity, ||\||\ better||\||\ voltage ||\||\ regulation The||\||\ total||\||\ flow||\||\ of||\||\ current||\||\ from||\||\ a||\||\ generating ||\||\ plant||\||\ may||\||\ be||\||\ as||\||\ large||\||\ as||\||\ __________ ||\||\ amps. ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔20, How ||\||\ many||\||\ Amps||\||\ does||\||\ a||\||\ 120 ||\||\ volt, ||\||\ 60 ||\||\ watt ||\||\ incandescent ||\||\ bulb||\||\ draw? ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔.5||\||\ amps, ||\||\ P=IxE||\||\ I=P/E||\||\ 60/120=.
Thury ||\||\ system ||\||\ was||\||\ generators ||\||\ connected ||\||\ in||\||\ ______||\||\ to||\||\ transmit ||\||\ ________||\||\ amps||\||\ at||\||\ max||\||\ voltage ||\||\ of||\||\ _______||\||\ volts? ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔Series,||\||\ 150 ||\||\ amps, ||\||\ 27,000||\||\ volts An||\||\ aluminum ||\||\ wire||\||\ must||\||\ be||\||\ ________||\||\ times||\||\ as||\||\ big||\||\ as||\||\ copper ||\||\ is||\||\ a||\||\ cross||\||\ section||\||\ to||\||\ have||\||\ the||\||\ same ||\||\ conductivity. ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔1.66||\||\ (this ||\||\ means ||\||\ that||\||\ aluminum ||\||\ is||\||\ only ||\||\ 2/3||\||\ as||\||\ conductive ||\||\ as||\||\ copper) Slices||\||\ should ||\||\ not||\||\ be||\||\ installed ||\||\ ________||\||\ ft||\||\ from||\||\ a||\||\ tie||\||\ wire||\||\ or||\||\ armor||\||\ rod.||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔ 1 ||\||\ ft||\||\ (12") Bolted||\||\ connections ||\||\ may||\||\ be||\||\ used||\||\ when? ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔If||\||\ the||\||\ wires||\||\ to||\||\ be||\||\ connected ||\||\ are||\||\ not||\||\ under||\||\ tension When||\||\ splicing ||\||\ distribution ||\||\ wires,||\||\ how||\||\ far||\||\ should ||\||\ the||\||\ line||\||\ be||\||\ laid ||\||\ out||\||\ straight ||\||\ before||\||\ splicing? ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔ 10 ||\||\ ft The||\||\ head||\||\ of||\||\ a||\||\ hydraulic ||\||\ operated ||\||\ tool||\||\ weighs ||\||\ approximately ||\||\ ________||\||\ lbs.||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔ 15 ||\||\ lbs||\||\ (tools||\||\ operate||\||\ w/||\||\ a||\||\ pressure ||\||\ of||\||\ 10,000||\||\ psi) In||\||\ the||\||\ process ||\||\ of||\||\ right||\||\ of||\||\ way||\||\ clearing, ||\||\ trees||\||\ and ||\||\ brush||\||\ should ||\||\ receive||\||\ a||\||\ basil ||\||\ spray||\||\ treatment||\||\ not||\||\ less||\||\ than||\||\ ___||\||\ weeks ||\||\ before||\||\ cutting||\||\ to||\||\ prevent||\||\ regrowth.||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔ 2 ||\||\ weeks A||\||\ light ||\||\ should ||\||\ be||\||\ located ||\||\ from||\||\ _____||\||\ to||\||\ _____||\||\ ft||\||\ over||\||\ the||\||\ surface ||\||\ of||\||\ a||\||\ road, ||\||\ less||\||\ than||\||\ 40'||\||\ wide||\||\ and ||\||\ from||\||\ ______||\||\ to||\||\ ______||\||\ ft||\||\ on||\||\ roads ||\||\ more||\||\ than||\||\ 40'||\||\ wide.||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔0-6||\||\ ft||\||\ less||\||\ than||\||\ 40' 6-12||\||\ ft||\||\ over||\||\ 40'
True||\||\ or||\||\ False- ||\||\ When||\||\ applying ||\||\ a||\||\ splice||\||\ on||\||\ wire,||\||\ the||\||\ wire||\||\ should ||\||\ be||\||\ straight ||\||\ for||\||\ a||\||\ distance ||\||\ of||\||\ 10'||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔True Which||\||\ 2 ||\||\ voltage ||\||\ types||\||\ on||\||\ Transmission ||\||\ lines||\||\ require||\||\ a||\||\ corona||\||\ shield? ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔Extra ||\||\ and ||\||\ Ultra||\||\ High ||\||\ Voltage||\||\ (shields ||\||\ are||\||\ at||\||\ each||\||\ point||\||\ of||\||\ conductor ||\||\ support) A||\||\ ground||\||\ rod||\||\ that||\||\ penetrates||\||\ perpetually ||\||\ moist||\||\ earth ||\||\ will||\||\ have||\||\ a||\||\ fairly ||\||\ ________||\||\ resistance. ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔Low XLPE=______ ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔Cross||\||\ linked ||\||\ polyethylene EPR=_________||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔Ethylene, ||\||\ Propylene, ||\||\ Rubber Current||\||\ lags||\||\ voltage ||\||\ in||\||\ ______||\||\ devices, ||\||\ current||\||\ leads ||\||\ voltage ||\||\ in||\||\ ________||\||\ devices. ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔Inductive, ||\||\ capacitive True||\||\ or||\||\ False-Distribution ||\||\ transformers ||\||\ should ||\||\ be||\||\ installed ||\||\ as||\||\ close||\||\ as||\||\ possible ||\||\ to||\||\ the||\||\ center||\||\ of||\||\ the||\||\ load||\||\ that||\||\ it's ||\||\ feeding. ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔True A||\||\ swiss ||\||\ engineer ||\||\ named||\||\ _____________||\||\ developed ||\||\ a||\||\ high||\||\ voltage ||\||\ DC||\||\ transmission ||\||\ system ||\||\ in||\||\ _____________.||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔Thury, ||\||\ 1899 True||\||\ or||\||\ False- ||\||\ The||\||\ top||\||\ of||\||\ your ||\||\ climbers ||\||\ should ||\||\ be||\||\ approximately ||\||\ 4 ||\||\ in||\||\ below ||\||\ the ||\||\ inside ||\||\ prominence ||\||\ of||\||\ the||\||\ knee||\||\ joint. ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔False||\||\ (hooks||\||\ are||\||\ adjustable ||\||\ in||\||\ 1/2||\||\ in||\||\ increments||\||\ 14-20||\||\ inches) ____________||\||\ designed ||\||\ and ||\||\ buried ||\||\ a||\||\ transmission ||\||\ system ||\||\ using||\||\ copper ||\||\ rods ||\||\ insulated ||\||\ with||\||\ jute.||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔Thomas||\||\ Edison
Before||\||\ lowering ||\||\ a||\||\ victim||\||\ to||\||\ the||\||\ ground,||\||\ 2 ||\||\ rescue||\||\ breathes||\||\ should ||\||\ be||\||\ given ||\||\ so||\||\ that||\||\ the||\||\ throat||\||\ tissue ||\||\ has||\||\ less||\||\ of||\||\ a||\||\ chance ||\||\ of||\||\ swelling ||\||\ shut||\||\ and ||\||\ the||\||\ heart ||\||\ will||\||\ be||\||\ more||\||\ likely||\||\ to||\||\ keep||\||\ beating. ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔Yeah ||\||\ do||\||\ that. An||\||\ ___________||\||\ ______________||\||\ when||\||\ used||\||\ for||\||\ service ||\||\ entrance||\||\ protection ||\||\ and ||\||\ coordination, ||\||\ the||\||\ electric||\||\ fuses||\||\ provide||\||\ a||\||\ buffer||\||\ to||\||\ prevent||\||\ in-plant ||\||\ problems ||\||\ on||\||\ the||\||\ customer||\||\ system ||\||\ from||\||\ affecting ||\||\ service ||\||\ on||\||\ the||\||\ utility||\||\ company ||\||\ system. ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔electronic ||\||\ fuse The||\||\ location ||\||\ of||\||\ protective ||\||\ devices||\||\ such||\||\ as||\||\ PMR,||\||\ are||\||\ known||\||\ as||\||\ ______________.||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔Coordination ||\||\ points ||\||\ (these||\||\ devices||\||\ protect||\||\ from||\||\ over||\||\ current) Before||\||\ installing ||\||\ grounds ||\||\ on||\||\ a||\||\ conductor, ||\||\ it||\||\ should ||\||\ first||\||\ be||\||\ __________.||\||\ - ||\||\ correct ||\||\ ||\||\ answer✔✔Tested ||\||\ for||\||\ voltage Hot||\||\ line||\||\ tools||\||\ are||\||\ factory||\||\ tested||\||\ at||\||\ ___________||\||\ volts ||\||\ per||\||\ foot||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔100, The||\||\ first||\||\ electric||\||\ lights ||\||\ were||\||\ called||\||\ electric||\||\ arc||\||\ lamps ||\||\ and ||\||\ the||\||\ first||\||\ place ||\||\ they||\||\ were||\||\ installed ||\||\ was||\||\ ____________.||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔Paris, ||\||\ France The||\||\ air||\||\ we||\||\ breathe||\||\ has||\||\ ______%||\||\ oxygen. ||\||\ We||\||\ use||\||\ _____%||\||\ and ||\||\ exhale||\||\ _____%.||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔21%||\||\ initially, ||\||\ 5%||\||\ used,||\||\ 16%||\||\ exhaled Transmission ||\||\ and ||\||\ Distribution ||\||\ line||\||\ conductors ||\||\ must||\||\ be||\||\ joined||\||\ with||\||\ full||\||\ tension ||\||\ splices ||\||\ if||\||\ the||\||\ conductors ||\||\ are||\||\ under||\||\ tension. Bolted||\||\ or||\||\ squeeze-on ||\||\ connections ||\||\ may||\||\ be||\||\ used||\||\ where||\||\ the||\||\ line||\||\ is||\||\ slack. ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔True
A||\||\ wire||\||\ tong||\||\ is||\||\ used||\||\ to||\||\ ____________.||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔Hold||\||\ energized ||\||\ wire||\||\ away||\||\ from||\||\ work||\||\ area Steel||\||\ wire||\||\ is||\||\ a||\||\ poor ||\||\ conductor ||\||\ with||\||\ __________||\||\ to||\||\ ___________||\||\ of||\||\ the||\||\ conductivity ||\||\ of||\||\ copper. ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔10-15% Cable||\||\ lube||\||\ reduces||\||\ the||\||\ friction ||\||\ between ||\||\ the||\||\ cable ||\||\ and ||\||\ duct ||\||\ walls ||\||\ by||\||\ as||\||\ much||\||\ as||\||\ _______%||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔70% Cadmium-Sulfide ||\||\ cell||\||\ "photo ||\||\ cells"||\||\ has||\||\ a||\||\ resistance ||\||\ of||\||\ __________||\||\ when||\||\ dark.||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔15,000,000||\||\ ohms The||\||\ need||\||\ for||\||\ apprenticeship ||\||\ training ||\||\ was||\||\ recognized ||\||\ in||\||\ the||\||\ _________.||\||\ (1910s,||\||\ 1920s,||\||\ 1930s||\||\ or||\||\ 1940s)||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔1930's True||\||\ or||\||\ False||\||\ - ||\||\ All ||\||\ gaseous ||\||\ conductive ||\||\ lamps ||\||\ have||\||\ a||\||\ positive-resistance ||\||\ characteristic. ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔False The||\||\ cost||\||\ of||\||\ structure||\||\ assembly ||\||\ of||\||\ steel||\||\ H-frame ||\||\ structures ||\||\ is||\||\ estimated||\||\ to||\||\ be||\||\ approximately ||\||\ _________||\||\ percent||\||\ of||\||\ the||\||\ standard ||\||\ rigid-lattice ||\||\ work||\||\ steel||\||\ tower. ||\||\ (25,30,40,50) ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔ 50 Leather||\||\ parts||\||\ of||\||\ climbing ||\||\ equipment ||\||\ should ||\||\ be||\||\ cleaned||\||\ aprox. ||\||\ every||\||\ _________.||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔ 3 ||\||\ months When||\||\ talking ||\||\ about||\||\ conductors ||\||\ sometimes ||\||\ code||\||\ names ||\||\ are||\||\ used.||\||\ Know ||\||\ that||\||\ only ||\||\ "1||\||\ word"||\||\ names ||\||\ are||\||\ used; ||\||\ for||\||\ example,||\||\ "chicken ||\||\ hawk" ||\||\ would||\||\ not||\||\ be||\||\ a||\||\ code||\||\ name||\||\ for||\||\ wire||\||\ because ||\||\ it||\||\ is||\||\ a||\||\ "2||\||\ word"||\||\ answer. ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔
Why||\||\ is||\||\ it||\||\ necessary ||\||\ to||\||\ insulate||\||\ a||\||\ guy? ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔When||\||\ guys ||\||\ are||\||\ exposed ||\||\ to||\||\ voltages ||\||\ over||\||\ 300 ||\||\ volts ||\||\ or||\||\ when||\||\ guys ||\||\ are||\||\ on||\||\ poles ||\||\ with||\||\ unprotected ||\||\ conductors ||\||\ over||\||\ 300 ||\||\ volts ||\||\ and ||\||\ the||\||\ guy||\||\ is||\||\ not||\||\ grounded. Overhead||\||\ secondary ||\||\ mains ||\||\ are||\||\ usually ||\||\ installed ||\||\ on||\||\ __________||\||\ ____________||\||\ and ||\||\ bolted ||\||\ to||\||\ the||\||\ pole. ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔Vertical||\||\ racks. True||\||\ or||\||\ False- ||\||\ Washing||\||\ insulators ||\||\ should ||\||\ start||\||\ at||\||\ the||\||\ top||\||\ and ||\||\ work||\||\ down. ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔False, ||\||\ bottom||\||\ to||\||\ top Each ||\||\ time||\||\ a||\||\ cutout||\||\ fails,||\||\ some||\||\ of||\||\ the||\||\ fiber||\||\ inside ||\||\ the||\||\ cutout||\||\ barrel||\||\ is||\||\ eroded||\||\ away. ||\||\ The||\||\ larger ||\||\ the||\||\ value ||\||\ of||\||\ current||\||\ interrupted, ||\||\ the||\||\ more||\||\ material ||\||\ that||\||\ is||\||\ consumed. ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔ __________||\||\ reduces||\||\ the||\||\ tensile ||\||\ strength ||\||\ of||\||\ wires.||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔Annealing Compression ||\||\ sleeves ||\||\ are||\||\ mfg.||\||\ for||\||\ transmission ||\||\ line||\||\ ACSR||\||\ conductors ||\||\ that||\||\ contain ||\||\ a||\||\ gripping ||\||\ unit||\||\ that||\||\ is||\||\ __________||\||\ to||\||\ the||\||\ aluminum ||\||\ sleeve. ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔internal The||\||\ power ||\||\ factor||\||\ is||\||\ usually ||\||\ ___________||\||\ to||\||\ _________||\||\ lagging. ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔.70||\||\ to||\||\ 1. A||\||\ _________||\||\ semiconductor ||\||\ can||\||\ be||\||\ used||\||\ as||\||\ a||\||\ current||\||\ rectifier. ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔Diode The||\||\ pulsating ||\||\ of||\||\ the||\||\ output ||\||\ voltage ||\||\ in||\||\ a||\||\ circuit ||\||\ can||\||\ be||\||\ eliminated ||\||\ by||\||\ adding ||\||\ a||\||\ ____________.||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔Capacitor Voltages ||\||\ 69,000||\||\ to||\||\ 230,0000||\||\ are||\||\ classified ||\||\ as||\||\ ________||\||\ or||\||\ __________||\||\ voltages. ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔High ||\||\ or||\||\ Tansmission
What ||\||\ piece||\||\ of||\||\ equipment ||\||\ converts||\||\ AC||\||\ to||\||\ DC?||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔Rectifier Besides ||\||\ the||\||\ number ||\||\ of||\||\ high||\||\ side ||\||\ bushings, ||\||\ what ||\||\ is||\||\ the||\||\ difference ||\||\ between ||\||\ a||\||\ two||\||\ bushing ||\||\ and ||\||\ a||\||\ CSP||\||\ transformer?||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔A||\||\ lack ||\||\ of||\||\ internal ||\||\ fusing ||\||\ inside ||\||\ the||\||\ two||\||\ bushing ||\||\ pot. Loose||\||\ sandy ||\||\ - ||\||\ gravel||\||\ - ||\||\ type||\||\ soil||\||\ weighs ||\||\ approx. ||\||\ _______||\||\ lbs.||\||\ a||\||\ sq. ||\||\ ft.||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔ 100 True||\||\ or||\||\ False||\||\ - ||\||\ Disconnect ||\||\ switches ||\||\ or||\||\ breaker||\||\ isolation ||\||\ switches ||\||\ are||\||\ designed ||\||\ to||\||\ open||\||\ fault||\||\ current.||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔False||\||\ (circuit ||\||\ breakers||\||\ are||\||\ designed ||\||\ for||\||\ this||\||\ operation) ________||\||\ originate ||\||\ in||\||\ distribution ||\||\ substations ||\||\ and ||\||\ include ||\||\ the||\||\ conductors ||\||\ and ||\||\ equipment ||\||\ necessary ||\||\ to||\||\ distribute ||\||\ electricity ||\||\ to||\||\ the||\||\ customer.||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔Distribution ||\||\ circuits True||\||\ or||\||\ False||\||\ - ||\||\ Capacitors ||\||\ and ||\||\ transformers ||\||\ are||\||\ nearly||\||\ identical ||\||\ in||\||\ their||\||\ operation. ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔False True||\||\ or||\||\ False||\||\ - ||\||\ Grease ||\||\ on||\||\ conductors ||\||\ can||\||\ cause ||\||\ generation ||\||\ of||\||\ corona.||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔True What ||\||\ is||\||\ an||\||\ atom||\||\ called||\||\ with||\||\ no||\||\ free||\||\ electrons? ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔Insulator N-||\||\ Type||\||\ semiconductor ||\||\ - ||\||\ _________||\||\ number ||\||\ of||\||\ electrons. ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔Excess
P||\||\ - ||\||\ type||\||\ semiconductor ||\||\ - ||\||\ __________||\||\ number ||\||\ of||\||\ electrons. ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔Deficient An||\||\ insulator ||\||\ made||\||\ from||\||\ synthetic ||\||\ material ||\||\ such||\||\ as||\||\ silica ||\||\ or||\||\ fiberglass ||\||\ weighs ||\||\ what ||\||\ percentage ||\||\ of||\||\ the||\||\ insulators ||\||\ they||\||\ replace? ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔5-10% The||\||\ semiconductor ||\||\ blocks ||\||\ in||\||\ a||\||\ lightening ||\||\ arrestor||\||\ are||\||\ made||\||\ using||\||\ what ||\||\ type||\||\ of||\||\ material? ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔Zinc||\||\ Oxide ||\||\ Material The||\||\ most||\||\ energy||\||\ efficient||\||\ transformer ||\||\ cores||\||\ are||\||\ constructed ||\||\ with||\||\ _______||\||\ or||\||\ _________.||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔Low||\||\ loss ||\||\ cold ||\||\ rolled ||\||\ silicon ||\||\ strips, ||\||\ amorphous ||\||\ steel||\||\ alloy||\||\ strips. In||\||\ transformers ||\||\ how||\||\ much||\||\ more||\||\ efficient||\||\ are||\||\ amorphous ||\||\ metal||\||\ cores||\||\ than||\||\ laminated ||\||\ steel||\||\ cores?||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔60% True||\||\ or||\||\ False||\||\ - ||\||\ DC||\||\ circuits ||\||\ have||\||\ no||\||\ lead ||\||\ or||\||\ lag||\||\ in||\||\ current||\||\ versus ||\||\ voltage. ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔True True||\||\ or||\||\ false||\||\ - ||\||\ When||\||\ free||\||\ electrons||\||\ in||\||\ a||\||\ conductor ||\||\ give ||\||\ up||\||\ their||\||\ random ||\||\ movement||\||\ and ||\||\ flow||\||\ in||\||\ one||\||\ direction, ||\||\ it||\||\ is||\||\ called||\||\ current||\||\ of||\||\ simple||\||\ current.||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔True DC||\||\ cable ||\||\ insulation ||\||\ must||\||\ be||\||\ thick||\||\ enough||\||\ to||\||\ provide||\||\ a||\||\ safety||\||\ factor||\||\ of||\||\ ______||\||\ to||\||\ ______.||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔ 3 ||\||\ to||\||\ 5 True||\||\ or||\||\ False||\||\ - ||\||\ The||\||\ primary||\||\ or||\||\ high||\||\ voltage ||\||\ side ||\||\ of||\||\ a||\||\ transformer ||\||\ (OH/UG)||\||\ has||\||\ a||\||\ high||\||\ electric||\||\ pressure ||\||\ and ||\||\ the||\||\ current||\||\ is||\||\ large.||\||\ The||\||\ secondary ||\||\ or||\||\ low||\||\ side ||\||\ has||\||\ a||\||\ low||\||\ pressure ||\||\ and ||\||\ the||\||\ current||\||\ is||\||\ small. ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔False||\||\ (High||\||\ side ||\||\ has||\||\ high||\||\ pressure ||\||\ and ||\||\ low||\||\ current.||\||\ The||\||\ low||\||\ side ||\||\ has||\||\ low||\||\ pressure ||\||\ and ||\||\ high||\||\ current)
The||\||\ standard ||\||\ taps ||\||\ available ||\||\ are||\||\ on||\||\ the||\||\ primary||\||\ winding ||\||\ of||\||\ the||\||\ transformer ||\||\ and ||\||\ are||\||\ designed ||\||\ to||\||\ provide||\||\ variations ||\||\ in||\||\ the||\||\ number ||\||\ of||\||\ windings ||\||\ turns||\||\ in||\||\ steps||\||\ of||\||\ ____%||\||\ of||\||\ the||\||\ rated||\||\ voltage. ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔2.5% Voltages ||\||\ over||\||\ _____||\||\ volts ||\||\ are||\||\ classified ||\||\ as||\||\ experimental ||\||\ voltages. ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔ 1 ||\||\ million What ||\||\ size||\||\ tie||\||\ wire||\||\ should ||\||\ be||\||\ sued||\||\ to||\||\ tie||\||\ in||\||\ conductors ||\||\ that||\||\ are||\||\ #4||\||\ and ||\||\ smaller, ||\||\ 1/0||\||\ to||\||\ #4,||\||\ larger ||\||\ than||\||\ 1/0? ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔#6,||\||\ #4,||\||\ #2||\||\ (tie||\||\ wire||\||\ should ||\||\ be||\||\ soft||\||\ drawn) What ||\||\ are||\||\ the||\||\ five||\||\ classes||\||\ of||\||\ rubber ||\||\ goods? ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔0- The||\||\ 5 ||\||\ steps||\||\ to||\||\ guy||\||\ installation ||\||\ are:||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔Install||\||\ the||\||\ anchor, ||\||\ insert||\||\ strain ||\||\ insulator ||\||\ or||\||\ ground||\||\ guy||\||\ or||\||\ both, ||\||\ fasten||\||\ to||\||\ pole, ||\||\ tighten||\||\ guy||\||\ wire||\||\ and ||\||\ connect ||\||\ to||\||\ anchor, ||\||\ mount||\||\ the||\||\ guy||\||\ wire||\||\ guard. When||\||\ tying||\||\ knots,||\||\ the||\||\ part||\||\ of||\||\ the||\||\ rope||\||\ that||\||\ is||\||\ looped ||\||\ so||\||\ that||\||\ the||\||\ ropes||\||\ lie||\||\ alongside ||\||\ each||\||\ other||\||\ is||\||\ called||\||\ what?||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔Bight Wire||\||\ insulation ||\||\ is||\||\ generally ||\||\ made||\||\ of||\||\ these ||\||\ 3 ||\||\ materials ||\||\ ________,||\||\ __________,||\||\ _________.||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔Rubber,||\||\ polyethylene, ||\||\ polyvinylchloride True||\||\ or||\||\ False||\||\ - ||\||\ Arresters||\||\ contain ||\||\ semiconductor ||\||\ blocks ||\||\ or||\||\ discs ||\||\ that||\||\ allow ||\||\ large ||\||\ currents ||\||\ to||\||\ pass||\||\ harmlessly ||\||\ to||\||\ ground.||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔True Feeders||\||\ generally ||\||\ operate||\||\ from||\||\ ________||\||\ to||\||\ ________.||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔ 2400 ||\||\ volts ||\||\ - ||\||\ 34,500||\||\ volts
Subtransmission ||\||\ sunstations ||\||\ generate||\||\ at||\||\ a||\||\ range||\||\ of||\||\ _________||\||\ to||\||\ _________||\||\ and ||\||\ are||\||\ located ||\||\ close||\||\ to||\||\ __________.||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔34.5||\||\ kV-69||\||\ kV,||\||\ High ||\||\ load||\||\ (urban ||\||\ areas) DC||\||\ circuits ||\||\ usually ||\||\ consist ||\||\ of||\||\ ________||\||\ wires.||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔ 2 ||\||\ wires The||\||\ usual ||\||\ generation ||\||\ voltage ||\||\ of||\||\ a||\||\ generation ||\||\ station ||\||\ (power||\||\ plant) ||\||\ is||\||\ _________ ||\||\ to||\||\ _________.||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔13,200||\||\ volts ||\||\ - ||\||\ 25,000||\||\ volts, ||\||\ also ||\||\ 24,000||\||\ volts The||\||\ breaker||\||\ in||\||\ a||\||\ substation ||\||\ is||\||\ installed ||\||\ between ||\||\ the||\||\ __________||\||\ &||\||\ the||\||\ ___________.||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔Low||\||\ voltage ||\||\ bus||\||\ (distribution ||\||\ feeder||\||\ voltage)||\||\ &||\||\ the||\||\ distribution ||\||\ feeder||\||\ circuit. True||\||\ or||\||\ False||\||\ - ||\||\ Cold||\||\ flow||\||\ is||\||\ a||\||\ term||\||\ used||\||\ to||\||\ describe||\||\ load||\||\ encountered ||\||\ when||\||\ you ||\||\ first||\||\ energize ||\||\ a||\||\ line.||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔False A||\||\ ________||\||\ can||\||\ be||\||\ used||\||\ in||\||\ a||\||\ circuit ||\||\ to||\||\ amplify ||\||\ a||\||\ signal. ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔Transistor More||\||\ power ||\||\ can||\||\ be||\||\ drawn||\||\ from||\||\ a||\||\ transformer ||\||\ during||\||\ the||\||\ winter ||\||\ because ||\||\ the||\||\ ambient ||\||\ temperature ||\||\ is||\||\ lower.||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔ The||\||\ basic||\||\ understanding ||\||\ of||\||\ electricity ||\||\ is||\||\ called||\||\ what?||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔Electron||\||\ Theory Power ||\||\ factor||\||\ =||\||\ ?/?x? ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔Watts/Volts||\||\ x||\||\ Amps Secondary ||\||\ terminals ||\||\ on||\||\ a||\||\ transformer ||\||\ in||\||\ order||\||\ X3,||\||\ X2,||\||\ X1||\||\ from||\||\ left||\||\ to||\||\ right||\||\ is||\||\ ________||\||\ polarity.||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔Additive
If||\||\ a||\||\ power ||\||\ transformer ||\||\ does||\||\ not||\||\ have||\||\ auto||\||\ tap ||\||\ changing ||\||\ underload ||\||\ equipment, ||\||\ it||\||\ is||\||\ usually ||\||\ necessary ||\||\ to||\||\ install ||\||\ _________||\||\ __________.||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔Voltage||\||\ Regulators Lightening ||\||\ arresters||\||\ in||\||\ a||\||\ substation ||\||\ protect||\||\ the||\||\ sub||\||\ from||\||\ lightening ||\||\ strokes ||\||\ and ||\||\ surges ||\||\ from||\||\ switching. ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔ What ||\||\ are||\||\ the||\||\ 3 ||\||\ most||\||\ important ||\||\ factors||\||\ to||\||\ consider||\||\ when||\||\ choosing ||\||\ a||\||\ conductor? ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔Line||\||\ voltage, ||\||\ mechanical ||\||\ strength, ||\||\ amount||\||\ of||\||\ power ||\||\ to||\||\ be||\||\ transmitted. By||\||\ changing ||\||\ a||\||\ distribution ||\||\ system ||\||\ from||\||\ Delta||\||\ to||\||\ Wye||\||\ you||\||\ will||\||\ increase ||\||\ the||\||\ load||\||\ carrying||\||\ capacity ||\||\ by||\||\ ______%||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔73% DC||\||\ transmission ||\||\ circuits ||\||\ are||\||\ economical ||\||\ whenever||\||\ overhead||\||\ lines||\||\ extend ||\||\ over ||\||\ _____||\||\ miles,||\||\ or||\||\ when||\||\ UG||\||\ circuits ||\||\ extend ||\||\ over||\||\ ______||\||\ miles.||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔ 400 ||\||\ OH,||\||\ 20 ||\||\ UG A||\||\ three||\||\ phase||\||\ transmission ||\||\ system ||\||\ requires||\||\ only ||\||\ ______||\||\ the||\||\ total||\||\ weight||\||\ of||\||\ conductor ||\||\ required ||\||\ for||\||\ a||\||\ single ||\||\ or||\||\ two||\||\ phase||\||\ system.||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔3/ True||\||\ or||\||\ False||\||\ - ||\||\ Motors ||\||\ operating ||\||\ off||\||\ of||\||\ three-phase ||\||\ are||\||\ much||\||\ cheaper||\||\ and ||\||\ more||\||\ satisfactory ||\||\ than||\||\ single ||\||\ or||\||\ two||\||\ phase||\||\ motors. ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔True If||\||\ one||\||\ transformer ||\||\ of||\||\ a||\||\ closed ||\||\ delta||\||\ bank ||\||\ is||\||\ removed ||\||\ during||\||\ an||\||\ outage||\||\ to||\||\ restore||\||\ service, ||\||\ the||\||\ remaining ||\||\ two||\||\ can||\||\ handle ||\||\ ______%||\||\ of||\||\ the||\||\ original ||\||\ capacity. ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔58%
________||\||\ ________||\||\ provides ||\||\ high||\||\ frequency ||\||\ voltages ||\||\ to||\||\ be||\||\ used||\||\ for||\||\ transmitting ||\||\ voice||\||\ communication ||\||\ or||\||\ telemetering ||\||\ signals ||\||\ on||\||\ high||\||\ voltage ||\||\ transmission ||\||\ circuits. ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔Carrier||\||\ Equipment When||\||\ talking ||\||\ about||\||\ power ||\||\ factor,||\||\ when||\||\ the||\||\ lead ||\||\ or||\||\ lag||\||\ is||\||\ large,||\||\ the||\||\ power ||\||\ factor||\||\ is||\||\ __________||\||\ and ||\||\ when||\||\ the||\||\ lead ||\||\ or||\||\ lag||\||\ is||\||\ zero,||\||\ the||\||\ power ||\||\ factor||\||\ is||\||\ _________.||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔Small, ||\||\ unity Aluminum||\||\ compares ||\||\ to||\||\ copper ||\||\ in||\||\ the||\||\ following ||\||\ manner:||\||\ it||\||\ is||\||\ 2/3||\||\ as||\||\ conductive ||\||\ as||\||\ copper. ||\||\ Compared ||\||\ with||\||\ a||\||\ copper ||\||\ wire||\||\ of||\||\ the||\||\ same ||\||\ physical ||\||\ size, ||\||\ alum ||\||\ wire||\||\ has||\||\ 60%||\||\ of||\||\ the||\||\ conductivity, ||\||\ 45%||\||\ of||\||\ the||\||\ tensile ||\||\ strength, ||\||\ and ||\||\ 33%||\||\ of||\||\ the||\||\ weight.||\||\ Alum||\||\ must||\||\ be||\||\ 1.66||\||\ times||\||\ as||\||\ large||\||\ as||\||\ copper ||\||\ to||\||\ have||\||\ the||\||\ same ||\||\ conductivity. An||\||\ alum ||\||\ wire||\||\ with||\||\ the||\||\ same ||\||\ conductivity ||\||\ as||\||\ copper ||\||\ will||\||\ have||\||\ 75%||\||\ the||\||\ strength ||\||\ an||\||\ 55%||\||\ the||\||\ weight||\||\ of||\||\ copper. The||\||\ tensile ||\||\ strength ||\||\ of||\||\ alum ||\||\ is||\||\ only ||\||\ about||\||\ 1/2||\||\ that||\||\ of||\||\ hard||\||\ drawn||\||\ copper. ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔ The||\||\ power ||\||\ factor||\||\ is||\||\ usually ||\||\ between ||\||\ 0.70-1.00||\||\ lagging. ||\||\ What ||\||\ is||\||\ the||\||\ average ||\||\ value ||\||\ often||\||\ taken||\||\ in||\||\ making||\||\ calculations? ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔0. Compression ||\||\ tool||\||\ type,||\||\ self||\||\ insulating, ||\||\ and ||\||\ bare||\||\ connectors ||\||\ used||\||\ for||\||\ splicing ||\||\ stranded||\||\ conductor ||\||\ range||\||\ in||\||\ sizes||\||\ from||\||\ ___________||\||\ to||\||\ _________||\||\ for||\||\ aluminum ||\||\ and ||\||\ ACSR||\||\ and ||\||\ are||\||\ normally ||\||\ used||\||\ for||\||\ secondary ||\||\ and ||\||\ services. ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔#10-1/ What ||\||\ is||\||\ the||\||\ amount||\||\ of||\||\ time||\||\ that||\||\ the||\||\ human||\||\ brain ||\||\ can||\||\ go||\||\ without||\||\ oxygenated ||\||\ blood?||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔4-5||\||\ minutes If||\||\ the||\||\ rotation ||\||\ of||\||\ a||\||\ three||\||\ phase||\||\ bank ||\||\ was||\||\ changed, ||\||\ what ||\||\ effect||\||\ would||\||\ t||\||\ have||\||\ on||\||\ the||\||\ customer? ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔It||\||\ would||\||\ cause ||\||\ any||\||\ three||\||\ phase||\||\ equipment ||\||\ to||\||\ rotate||\||\ in||\||\ the||\||\ opposite ||\||\ direction.
Converter||\||\ stations ||\||\ _________||\||\ A/C||\||\ to||\||\ D/C||\||\ and ||\||\ ___________||\||\ D/C||\||\ to||\||\ A/C||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔Convert||\||\ (change) ||\||\ and ||\||\ Invert The||\||\ minimum ||\||\ ground||\||\ clearance ||\||\ on||\||\ a||\||\ secondary ||\||\ service ||\||\ for||\||\ voltages ||\||\ ranging||\||\ from||\||\ 0 ||\||\ to||\||\ 750 ||\||\ volts ||\||\ in||\||\ areas||\||\ restricted ||\||\ to||\||\ pedestrian ||\||\ traffic||\||\ is||\||\ _________||\||\ feet.||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔ 12 ||\||\ feet Underground ||\||\ services ||\||\ to||\||\ new||\||\ homes||\||\ are||\||\ usually ||\||\ installed ||\||\ with||\||\ 2/0||\||\ aluminum ||\||\ conductor ||\||\ or||\||\ larger ||\||\ to||\||\ provide||\||\ a||\||\ service ||\||\ capable ||\||\ of||\||\ delivering ||\||\ how||\||\ many||\||\ amps? ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔ 200 ||\||\ amps After||\||\ driving ||\||\ a||\||\ ground||\||\ rod||\||\ you||\||\ should ||\||\ check ||\||\ the||\||\ resistance ||\||\ with||\||\ an||\||\ ohm||\||\ meter. ||\||\ If||\||\ the||\||\ resistance ||\||\ is||\||\ not||\||\ below ||\||\ _________||\||\ ohms,||\||\ one||\||\ should ||\||\ be||\||\ added ||\||\ on||\||\ top||\||\ or||\||\ another ||\||\ rod||\||\ should ||\||\ be||\||\ driven||\||\ beside ||\||\ the||\||\ existing||\||\ one.||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔ 25 ||\||\ ohms ||\||\ or||\||\ less In||\||\ the||\||\ United ||\||\ States||\||\ &||\||\ Canada||\||\ A/C||\||\ power ||\||\ is||\||\ generated ||\||\ at||\||\ __________||\||\ Hz||\||\ (hertz||\||\ or||\||\ frequency)||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔ 60 ||\||\ Hz Protective ||\||\ grounds ||\||\ protect||\||\ the||\||\ line||\||\ worker ||\||\ from||\||\ what ||\||\ types||\||\ of||\||\ hazards?||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔Static||\||\ charges, ||\||\ accidental ||\||\ energizing, ||\||\ induced ||\||\ voltage. System||\||\ voltages ||\||\ of||\||\ ________||\||\ volts ||\||\ or||\||\ less||\||\ are||\||\ classified ||\||\ as||\||\ low||\||\ voltages ||\||\ or||\||\ utilization ||\||\ voltages. ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔ 600 ||\||\ volts To||\||\ change||\||\ the||\||\ value ||\||\ of||\||\ a||\||\ secondary ||\||\ voltage, ||\||\ a||\||\ no||\||\ load||\||\ tap ||\||\ changer ||\||\ on||\||\ the||\||\ transformer ||\||\ would||\||\ be||\||\ adjusted ||\||\ while||\||\ the||\||\ transformer ||\||\ is||\||\ energized. ||\||\ (True||\||\ or||\||\ False)||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔False What ||\||\ is||\||\ the||\||\ total||\||\ opposition ||\||\ to||\||\ the||\||\ flow||\||\ of||\||\ current||\||\ in||\||\ a||\||\ transformer ||\||\ called? ||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔Impedance
The||\||\ term||\||\ roofing ||\||\ a||\||\ pole ||\||\ refers||\||\ to||\||\ nailing ||\||\ a||\||\ metal||\||\ cap||\||\ on||\||\ top||\||\ of||\||\ the||\||\ pole ||\||\ to||\||\ help||\||\ control ||\||\ rot.||\||\ (True||\||\ or||\||\ False)||\||\ - ||\||\ correct||\||\ ||\||\ answer✔✔False
