Lineman Apprentice Distribution
1-1. Circle the correct answer to complete the sentence. A ______________________ steps down transmission voltage to distribution voltage.
a) substation transformer
b) pole-top transformer
c) regulator
d) step-up transformer - Answer- a) substation transfo...
Lineman Apprentice Distribution
1-1. Circle the correct answer to complete the sentence. A
______________________ steps down transmission voltage to distribution voltage.
a) substation transformer
b) pole-top transformer
c) regulator
d) step-up transformer - Answer- a) substation transformer
1-2. Circle the correct answer to complete the sentence. In a typical distribution
system, electricity at ______________________ voltage is supplied to a customer.
a) primary
b) nominal
c) peak
d) secondary - Answer- d) secondary
1-3. Circle the correct answer to complete the following sentence. Primary
distribution voltage is:
a) applied to a distribution system by a substation transformer.
b) the voltage of the electricity supplied to the customer.
c) applied to distribution lines in a service area.
d) both (a) and (c).
e) both (b) and (c). - Answer- d) both (a) and (c).
1-4. True or False. A transformer improves the overall efficiency of a distribution
system by increasing the amount of usable power that can be supplied to a
customer. - Answer- False
1-5. Circle the correct answer to complete the sentence. During high voltage surges,
______________________ provide a way of redirecting excess current to the
ground.
a) surge destroyers
b) surge arresters
c) surge eliminators
d) current protectors - Answer- b) surge arresters
2-1. Circle the correct answers. Which of the following are the three elements that
most distribution transformers have in common?
a) Primary winding
b) Mounting bolts
c) Secondary winding
d) Fuses
e) Core - Answer- A, C, E
2-2. True or False. Voltage applied to the primary winding of a distribution
transformer is usually higher in value than the voltage induced in the secondary
winding. - Answer- True
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