LINEMAN APPRENTICE TEST ACTUAL EXAM COMPLETE 165 QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+||BRAND NEW!!.
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Course
LINEMAN APPRENTICE
Institution
LINEMAN APPRENTICE
The difference in a 3 wire & 4 wire distribution circuit is?
the Neutral wire
What is the formula for power
P=IE
E=IR
Brainpower
Read More
Transmission voltage is generally _________ to _________.
138,000 to 765,000 volts
If the diameter of the pole to be set is 10", the diameter of the...
LINEMAN APPRENTICE TEST ACTUAL EXAM
COMPLETE 165 QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS)
|ALREADY GRADED A+||BRAND NEW!!.
The difference in a 3 wire & 4 wire distribution circuit is?
the Neutral wire
What is the formula for power
P=IE
E=IR
Brainpower
Read More
Transmission voltage is generally _________ to _________.
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.
16", 3" on each side of the pole
What are the component parts of a distribution system?
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?
Increased power carrying capacity, better voltage regulation
The total flow of current from a generating plant may be as large as __________ amps.
20,000
True or False- The top of your climbers should be approximately 4 in below the inside
prominence of the knee joint.
False (hooks are adjustable in 1/2 in increments 14-20 inches)
____________ designed and buried a transmission system using copper rods insulated
with jute.
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.
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.
electronic fuse
The location of protective devices such as PMR, are known as ______________.
Coordination points (these devices protect from over current)
Before installing grounds on a conductor, it should first be __________.
Tested for voltage
Hot line tools are factory tested at ___________ volts per foot
100,000
The first electric lights were called electric arc lamps and the first place they were
installed was ____________.
Paris, France
The air we breathe has ______% oxygen. We use _____% and exhale _____%.
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.
True
In transmission, it is sometimes necessary to first splice steel core, then splice the outer
alum wires. When finished, the outer splice is filled with _______ _________ to prevent
oxidation of the splice.
Zinc Chromate
Automatic splice is used where one expects to have 15% of the rated breaking strength
of the conductor.
Tension should be applied at all times or else the jaws may release and allow the
conductor to drop out.
By using a popsicle, what problem is eliminated?
Cold flow problems of a stranded alum conductor in a copper clamp (such as a tank
ground or hot line clamp)
When choosing the order of conductors when making connections, in which order
should copper and alum be placed?
Aluminum over copper
How many Amps does a 120 volt, 60 watt incandescent bulb draw?
.5 amps, P=IxE I=P/E 60/120=.5
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