LINEMAN APPRENTICE
INTRODUCTION INTO TRANSMISSION
AND DISTRIBUTION SYSTEMS EXAM
1-1. True or False.
A power grid is a network of major electrical conductors that link individual utility
companies together. - Correct Answers -True
1-2. Circle the correct answer.
Which of the following is not a true statement about a power grid?
a) It helps ensure a continuous flow of power to customers.
b) It allows companies to buy and sell power to each other.
c) It provides power to individual companies when needed.
d) It always extends across a continent. - Correct Answers -d) It always extends across
a continent.
1-3. Circle the correct answer.
A transmission and distribution system carries electricity from:
a) transformers to power plants.
b) substations to the public.
c) power plants to customers.
d) distribution lines to transmission lines. - Correct Answers -c) power plants to
customers.
1-4. Circle the correct answer.
Which of the following components provide a source of electricity for a transmission and
distribution system?
a) Substations
b) Distribution lines
c) Switchyards
d) Transmission lines
e) Power plants - Correct Answers -e) Power plants
5-2. Circle the correct answer.
Which of the following are not major components of a typical substation?
a) Station transformers
b) Disconnect switches
c) Circuit breakers
, d) Unit transformers - Correct Answers -d) Unit transformers
5-3. Circle the correct answer to complete the following sentence.
The larger bushings on a station transformer are usually located on the:
a) transmission lines side.
b) distribution lines side.
c) substation side.
d) larger conductors. - Correct Answers -a) transmission lines side.
5-4. Circle the correct answer.
Which of the following is not descriptive of reclosers?
a) They can interrupt power by opening a circuit.
b) They can detect problems in a circuit.
c) They are exactly the same as circuit breakers.
d) They will attempt to reclose a circuit after a short period of time. - Correct Answers -c)
They are exactly the same as circuit breakers.
1-5. Circle the correct answer.
Which of the following lists the major components of a typical transmission and
distribution system in the order that electricity usually flows through them?
a) Substation, Distribution lines, Switchyard, Transmission lines
b) Distribution lines, Switchyard, Transmission lines, Substation
c) Switchyard, Transmission lines, Substation, Distribution Lines
d) Transmission lines, Substation, Distribution Lines, Substation - Correct Answers -c)
Switchyard, Transmission lines, Substation, Distribution Lines
2-1. Circle the correct answer to complete the sentence.
______________________ is the amount of electricity flowing through a line at a given
time.
a) Resistance
b) Current
c) Ohms
d) Impedance - Correct Answers -b) Current
2-2. True or False.
Load refers to all the devices in an electrical circuit that consume electricity. - Correct
Answers -True
2-3. Circle the correct answer to complete the sentence.
______________________ can be thought of as a kind of pressure that can cause
electricity to flow.
a) Voltage
b) Current
c) Resistance
d) Amperage - Correct Answers -a) Voltage
INTRODUCTION INTO TRANSMISSION
AND DISTRIBUTION SYSTEMS EXAM
1-1. True or False.
A power grid is a network of major electrical conductors that link individual utility
companies together. - Correct Answers -True
1-2. Circle the correct answer.
Which of the following is not a true statement about a power grid?
a) It helps ensure a continuous flow of power to customers.
b) It allows companies to buy and sell power to each other.
c) It provides power to individual companies when needed.
d) It always extends across a continent. - Correct Answers -d) It always extends across
a continent.
1-3. Circle the correct answer.
A transmission and distribution system carries electricity from:
a) transformers to power plants.
b) substations to the public.
c) power plants to customers.
d) distribution lines to transmission lines. - Correct Answers -c) power plants to
customers.
1-4. Circle the correct answer.
Which of the following components provide a source of electricity for a transmission and
distribution system?
a) Substations
b) Distribution lines
c) Switchyards
d) Transmission lines
e) Power plants - Correct Answers -e) Power plants
5-2. Circle the correct answer.
Which of the following are not major components of a typical substation?
a) Station transformers
b) Disconnect switches
c) Circuit breakers
, d) Unit transformers - Correct Answers -d) Unit transformers
5-3. Circle the correct answer to complete the following sentence.
The larger bushings on a station transformer are usually located on the:
a) transmission lines side.
b) distribution lines side.
c) substation side.
d) larger conductors. - Correct Answers -a) transmission lines side.
5-4. Circle the correct answer.
Which of the following is not descriptive of reclosers?
a) They can interrupt power by opening a circuit.
b) They can detect problems in a circuit.
c) They are exactly the same as circuit breakers.
d) They will attempt to reclose a circuit after a short period of time. - Correct Answers -c)
They are exactly the same as circuit breakers.
1-5. Circle the correct answer.
Which of the following lists the major components of a typical transmission and
distribution system in the order that electricity usually flows through them?
a) Substation, Distribution lines, Switchyard, Transmission lines
b) Distribution lines, Switchyard, Transmission lines, Substation
c) Switchyard, Transmission lines, Substation, Distribution Lines
d) Transmission lines, Substation, Distribution Lines, Substation - Correct Answers -c)
Switchyard, Transmission lines, Substation, Distribution Lines
2-1. Circle the correct answer to complete the sentence.
______________________ is the amount of electricity flowing through a line at a given
time.
a) Resistance
b) Current
c) Ohms
d) Impedance - Correct Answers -b) Current
2-2. True or False.
Load refers to all the devices in an electrical circuit that consume electricity. - Correct
Answers -True
2-3. Circle the correct answer to complete the sentence.
______________________ can be thought of as a kind of pressure that can cause
electricity to flow.
a) Voltage
b) Current
c) Resistance
d) Amperage - Correct Answers -a) Voltage
