TB 8 Electrical Hazards

Question 1

AMPS

Answer 1

Current flow = Water (GPM)

Question 2

Volts

Answer 2

Voltage is the difference in electrical potential between two points in a circuit.

Question 3

Volts is the _____ behind current flow through a circuit

Answer 3

push or pressure

Question 4

Volts is comparable to

Answer 4

Pounds per square inch

Question 5

Kilovolts is the measure of ___

Answer 5

1000 volts

Question 6

OHMS is the

Answer 6

resistance determines how much current will flow through a component.

Question 7

Ohms is comparable to

Answer 7

friction loss

Question 8

Watts =

Answer 8

amps x volts

Question 9

Amps =

Answer 9

watts x volts

Question 10

Volts =

Answer 10

watts x amps

Question 11

Extremely high voltage :

Answer 11

excess of 60,000 volts

Question 12

High voltage :

Answer 12

600 to 59,999 volts

Question 13

High voltage usually found in

Answer 13

distribution systems, referred to as primaries

Question 14

Low voltage :

Answer 14

below 600 volts

Question 15

Low voltage are commonly referred to as :

Answer 15

secondaries

Question 16

LADWP system is comprised of over _____ transformers

Answer 16

50,000

Question 17

Generation facilities generate electricity between ___

Answer 17

4000 and 20,000 volts

Question 18

though generation plants produce a substantial amount of volts, it is not ____

Answer 18

nearly enough to deliver power the long distances necessary to connect different parts of the city together

Question 19

In order to raise the voltage generation stations use ___

Answer 19

switching facilities that rely on transformers

Question 20

In switching facility transformers utilize their own magnetic fields to lower required amps while raising the pressure sometimes over ___

Answer 20

over one million voltages

Question 21

Transmission lines are used to

Answer 21

from generation stations and generation plants to distribution stations

Question 22

Transmission lines in LA can range from

Answer 22

69k to over 1000 kv

Question 23

Most transmission lines are

Answer 23

230kv

Question 24

Strings of insulators on transmission towers can range from

Answer 24

3 to 20 feet long