MO-VALLEY TEST 1-5 STUDY GUIDE
2025/2026 COMPLETE QUESTIONS
WITH VERIFIED CORRECT ANSWERS ||
100% GUARANTEED PASS
<NEWEST VERSION>
1. The least common multiple of a set of denominators is called the ? . -
ANSWER ✔ least common denominator
2. The rule for adding fractions with the same denominator is to add the
numerators and place the sum over the same denominator.
T/F - ANSWER ✔ True
3. The two types of ties are ?. - ANSWER ✔ Hand Ties, and Preformed
4. A conductor should be tied in ? if the conductor tends to come out of the top
groove of the insulator, typically on a corner, due to side strain or angle. -
ANSWER ✔ on the side of the insulator
5. The advantages of using a preformed tie are that they are very secure and
they protect the conductor from broken strands due to ? .
a.icing/freezing weather
b.sun/moisture exposure
c.vibration
d.weight strain over long-distance spanning - ANSWER ✔ Vibration
,6. Two standard sizes of aluminum tie wires are ? and 6 AWG. - ANSWER ✔
4 AWG
7. ? are required at each point of conductor support on extra high voltage
transmission lines.
a.Ground clamps
b.Isolation clamps
c.Corona shields
d.Porcelain insulators - ANSWER ✔ c.Corona shields
8. *Conductor attachments that hold securely and protect the conductor from
vibration without installing armor rods are ?. - ANSWER ✔ pre formed ties
9. *the facility connecting the transmission system to the customer's equipment
is called the ?. - ANSWER ✔ Distribution System
10.*if the direction of current is known, the direction of the magnetic flux lines
can be determined by using the ?. - ANSWER ✔ Left hand Rule
11.*EHV lines require ? at suspension points and dead-ends to prevent the
magnetic fields from concentrating in any given location - ANSWER ✔
Corona Shields
12.*A line should be sagged according to ?. - ANSWER ✔ Initial or stringing
sag chart
, 13.If a triplex service is to be spliced, the neutral requires a ? . - ANSWER ✔
full length tension sleeve
14.Service connections at the customer end of a service must be ? .
a.a minimum of 5' above the roof
b.at least a minimum of 4 AWG conductors
c.connected with split-bolt connectors for easy removal at a later date
d.well-taped because they can be accessible to the customer - ANSWER ✔
d.well-taped because they can be accessible to the customer
15.*The National Electrical Safety Code guideline requires a service line
attachment on a building to be a minimum od ? above ground line? -
ANSWER ✔ 12'
16.*A typical four-jaw meter socket is supplied by a triplex service line and is
energized. The customer's main disconnect is in the open position. Before
setting the meter, you have taken voltage readings and there is a 120-volt
potential from a top to bottom jaw in the socket SI to LI. This reading
indicates ?.
a. a normal condition, and is safe to set the meter
b. the customer's main panel is being back fed from an alternate supply.
c. a ground on the customer's side and a potential dead-short
d. you have mistakenly transposed the neutral and a hot leg on the
supply side - ANSWER ✔ c. a ground on the customer's side and a
potential dead-short
17.*When splicing a triplex service wire on the neutral requires ?. - ANSWER
✔ a tension sleeve
2025/2026 COMPLETE QUESTIONS
WITH VERIFIED CORRECT ANSWERS ||
100% GUARANTEED PASS
<NEWEST VERSION>
1. The least common multiple of a set of denominators is called the ? . -
ANSWER ✔ least common denominator
2. The rule for adding fractions with the same denominator is to add the
numerators and place the sum over the same denominator.
T/F - ANSWER ✔ True
3. The two types of ties are ?. - ANSWER ✔ Hand Ties, and Preformed
4. A conductor should be tied in ? if the conductor tends to come out of the top
groove of the insulator, typically on a corner, due to side strain or angle. -
ANSWER ✔ on the side of the insulator
5. The advantages of using a preformed tie are that they are very secure and
they protect the conductor from broken strands due to ? .
a.icing/freezing weather
b.sun/moisture exposure
c.vibration
d.weight strain over long-distance spanning - ANSWER ✔ Vibration
,6. Two standard sizes of aluminum tie wires are ? and 6 AWG. - ANSWER ✔
4 AWG
7. ? are required at each point of conductor support on extra high voltage
transmission lines.
a.Ground clamps
b.Isolation clamps
c.Corona shields
d.Porcelain insulators - ANSWER ✔ c.Corona shields
8. *Conductor attachments that hold securely and protect the conductor from
vibration without installing armor rods are ?. - ANSWER ✔ pre formed ties
9. *the facility connecting the transmission system to the customer's equipment
is called the ?. - ANSWER ✔ Distribution System
10.*if the direction of current is known, the direction of the magnetic flux lines
can be determined by using the ?. - ANSWER ✔ Left hand Rule
11.*EHV lines require ? at suspension points and dead-ends to prevent the
magnetic fields from concentrating in any given location - ANSWER ✔
Corona Shields
12.*A line should be sagged according to ?. - ANSWER ✔ Initial or stringing
sag chart
, 13.If a triplex service is to be spliced, the neutral requires a ? . - ANSWER ✔
full length tension sleeve
14.Service connections at the customer end of a service must be ? .
a.a minimum of 5' above the roof
b.at least a minimum of 4 AWG conductors
c.connected with split-bolt connectors for easy removal at a later date
d.well-taped because they can be accessible to the customer - ANSWER ✔
d.well-taped because they can be accessible to the customer
15.*The National Electrical Safety Code guideline requires a service line
attachment on a building to be a minimum od ? above ground line? -
ANSWER ✔ 12'
16.*A typical four-jaw meter socket is supplied by a triplex service line and is
energized. The customer's main disconnect is in the open position. Before
setting the meter, you have taken voltage readings and there is a 120-volt
potential from a top to bottom jaw in the socket SI to LI. This reading
indicates ?.
a. a normal condition, and is safe to set the meter
b. the customer's main panel is being back fed from an alternate supply.
c. a ground on the customer's side and a potential dead-short
d. you have mistakenly transposed the neutral and a hot leg on the
supply side - ANSWER ✔ c. a ground on the customer's side and a
potential dead-short
17.*When splicing a triplex service wire on the neutral requires ?. - ANSWER
✔ a tension sleeve
