LINEMAN APPRENTICE FINAL PAPER QUESTIONS AND
SOLUTIONS GRADED A+
✔✔Lines with less than 5,000 volts are generally covered with what different types of
materials? - ✔✔Triple braid weather proof cotton, Neoprene, Polythene
✔✔The current usually ____________ the voltage (leads or lags) - ✔✔Lags
✔✔A wire tong is used to ____________. - ✔✔Hold energized wire away from work
area
✔✔Steel wire is a poor conductor with __________ to ___________ of the conductivity
of copper. - ✔✔10-15%
✔✔Cable lube reduces the friction between the cable and duct walls by as much as
_______% - ✔✔70%
✔✔Cadmium-Sulfide cell "photo cells" has a resistance of __________ when dark. -
✔✔15,000,000 ohms
✔✔The need for apprenticeship training was recognized in the _________. (1910s,
1920s, 1930s or 1940s) - ✔✔1930's
✔✔True or False - All gaseous conductive lamps have a positive-resistance
characteristic. - ✔✔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) - ✔✔50
✔✔Leather parts of climbing equipment should be cleaned aprox. every _________. -
✔✔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. - ✔✔
✔✔Why is it necessary to insulate a guy? - ✔✔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. - ✔✔Vertical racks.
, ✔✔True or False- Washing insulators should start at the top and work down. - ✔✔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. - ✔✔
✔✔__________ reduces the tensile strength of wires. - ✔✔Annealing
✔✔Compression sleeves are mfg. for transmission line ACSR conductors that contain a
gripping unit that is __________ to the aluminum sleeve. - ✔✔internal
✔✔The power factor is usually ___________ to _________ lagging. - ✔✔.70 to 1.00
✔✔A _________ semiconductor can be used as a current rectifier. - ✔✔Diode
✔✔The pulsating of the output voltage in a circuit can be eliminated by adding a
____________. - ✔✔Capacitor
✔✔Voltages 69,000 to 230,0000 are classified as ________ or __________ voltages. -
✔✔High or Tansmission
✔✔What kind of diode semiconductor can be used as a voltage reference in a an
electric circuit? - ✔✔Zener diode
✔✔1 KW is equal to about ________ hp. - ✔✔one and 1/3 or 1.33
✔✔What are the three loading districts when talking about wire? - ✔✔Heavy, Medium,
Light
✔✔When an alternating voltage and the current that causes it to flow rise and fall at the
same time, the two are said to be "in phase" and the power factor is __________. -
✔✔Unity
✔✔Proper measurement for the D-ring size is the distance around the back of the body
@ the point where the belt will be worn between the prominent points of the hip bones
plus __________ inch. - ✔✔1
✔✔In general, the bending radius "R" of the revers curves in the lead covered cables
must be not less than _______ times the overall diameter of the cable. - ✔✔8
✔✔The recommended pole setting depth for a 45 ft pole in rock is _________.
(4 ft, 4.5 ft, 5 ft, or 5.5 ft) - ✔✔4.5 (10%)
SOLUTIONS GRADED A+
✔✔Lines with less than 5,000 volts are generally covered with what different types of
materials? - ✔✔Triple braid weather proof cotton, Neoprene, Polythene
✔✔The current usually ____________ the voltage (leads or lags) - ✔✔Lags
✔✔A wire tong is used to ____________. - ✔✔Hold energized wire away from work
area
✔✔Steel wire is a poor conductor with __________ to ___________ of the conductivity
of copper. - ✔✔10-15%
✔✔Cable lube reduces the friction between the cable and duct walls by as much as
_______% - ✔✔70%
✔✔Cadmium-Sulfide cell "photo cells" has a resistance of __________ when dark. -
✔✔15,000,000 ohms
✔✔The need for apprenticeship training was recognized in the _________. (1910s,
1920s, 1930s or 1940s) - ✔✔1930's
✔✔True or False - All gaseous conductive lamps have a positive-resistance
characteristic. - ✔✔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) - ✔✔50
✔✔Leather parts of climbing equipment should be cleaned aprox. every _________. -
✔✔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. - ✔✔
✔✔Why is it necessary to insulate a guy? - ✔✔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. - ✔✔Vertical racks.
, ✔✔True or False- Washing insulators should start at the top and work down. - ✔✔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. - ✔✔
✔✔__________ reduces the tensile strength of wires. - ✔✔Annealing
✔✔Compression sleeves are mfg. for transmission line ACSR conductors that contain a
gripping unit that is __________ to the aluminum sleeve. - ✔✔internal
✔✔The power factor is usually ___________ to _________ lagging. - ✔✔.70 to 1.00
✔✔A _________ semiconductor can be used as a current rectifier. - ✔✔Diode
✔✔The pulsating of the output voltage in a circuit can be eliminated by adding a
____________. - ✔✔Capacitor
✔✔Voltages 69,000 to 230,0000 are classified as ________ or __________ voltages. -
✔✔High or Tansmission
✔✔What kind of diode semiconductor can be used as a voltage reference in a an
electric circuit? - ✔✔Zener diode
✔✔1 KW is equal to about ________ hp. - ✔✔one and 1/3 or 1.33
✔✔What are the three loading districts when talking about wire? - ✔✔Heavy, Medium,
Light
✔✔When an alternating voltage and the current that causes it to flow rise and fall at the
same time, the two are said to be "in phase" and the power factor is __________. -
✔✔Unity
✔✔Proper measurement for the D-ring size is the distance around the back of the body
@ the point where the belt will be worn between the prominent points of the hip bones
plus __________ inch. - ✔✔1
✔✔In general, the bending radius "R" of the revers curves in the lead covered cables
must be not less than _______ times the overall diameter of the cable. - ✔✔8
✔✔The recommended pole setting depth for a 45 ft pole in rock is _________.
(4 ft, 4.5 ft, 5 ft, or 5.5 ft) - ✔✔4.5 (10%)
