NALTC Book Test 1 UPDATED ACTUAL
Exam Questions and CORRECT Answers
What is a transmission line? - CORRECT ANSWER - A line with a voltage over 69kV and
transmits large blocks of electricity over long distances
List the functions that can be accomplished in an electrical substation: - CORRECT
ANSWER - Step AC voltages up or down; c
Change AC to DC and DC to AC
Describe a typical distribution feeder circuit: - CORRECT ANSWER - Contains three
phases and a neutral
What is the purpose of the distribution transformer on an electric distribution circuit? -
CORRECT ANSWER - To reduce distribution voltages to voltages usable by the customer
What types of equipment cab be found in a typical substation? - CORRECT ANSWER -
Switches, transformers, batteries, arrestors, & relays
Which conductor of a three phase, four wire distribution circuit is grounded? - CORRECT
ANSWER - The neutral
How are wood poles classified? - CORRECT ANSWER - The circumference 6 feet from
the butt, circumference at the top of the pole, & height of the pole
What is the rule for determining the setting depth for a pole to be installed in soil? - CORRECT
ANSWER - 10% of the pole height plus 2 feet
Where should guys be installed? - CORRECT ANSWER - At deadends, angles, and hills
Exam Questions and CORRECT Answers
What is a transmission line? - CORRECT ANSWER - A line with a voltage over 69kV and
transmits large blocks of electricity over long distances
List the functions that can be accomplished in an electrical substation: - CORRECT
ANSWER - Step AC voltages up or down; c
Change AC to DC and DC to AC
Describe a typical distribution feeder circuit: - CORRECT ANSWER - Contains three
phases and a neutral
What is the purpose of the distribution transformer on an electric distribution circuit? -
CORRECT ANSWER - To reduce distribution voltages to voltages usable by the customer
What types of equipment cab be found in a typical substation? - CORRECT ANSWER -
Switches, transformers, batteries, arrestors, & relays
Which conductor of a three phase, four wire distribution circuit is grounded? - CORRECT
ANSWER - The neutral
How are wood poles classified? - CORRECT ANSWER - The circumference 6 feet from
the butt, circumference at the top of the pole, & height of the pole
What is the rule for determining the setting depth for a pole to be installed in soil? - CORRECT
ANSWER - 10% of the pole height plus 2 feet
Where should guys be installed? - CORRECT ANSWER - At deadends, angles, and hills
