Electrical grid 1

Question 1

what is electrical pressure or electromotive force? a measurement of electrical pressure?

Answer 1

voltage

Question 2

handheld voltmeters are used for reading voltages up to?

Answer 2

480 volts

Question 3

the measurement of electrical current is?

Answer 3

amps

Question 4

there are 6,250,000,000,000,000,000 electrons in one what?

Answer 4

coulomb

Question 5

A.C.S.R. stands for?

Answer 5

aluminum conductor steel reenforced

Question 6

if the amperage in a line is exceeded what will happen?

Answer 6

the line will melt

Question 7

if there lower the electrons in the valance shell is it a better or worse conductor?

Answer 7

better

Question 8

if there are higher the electrons in the valance shell is it a better or worse conductor?

Answer 8

worse

Question 9

a unit of electrical resistance is?

Answer 9

ohm

Question 10

when resistance is high in a conductor, greater friction is created. its by products are?

Answer 10

heat and light

Question 11

a unit of electrical power?

Answer 11

watt

Question 12

one horsepower is equal to how many watts?

Answer 12

746 watts

Question 13

what does R.I.P.E. stand for?

Answer 13

R- Ohms
I.- Amps
P.- Watts
E.- Volts

Question 14

the entire electrical system is compromised out of what four main elements?

Answer 14

1. Generation
2. Transmission
3. Distribution
4. Substations

Question 15

the generation facilities across regions of the united states are connected together by transmission systems and called what?

Answer 15

the grid

Question 16

34.5 and under is what voltage?

Answer 16

distribution

Question 17

44.0 and up are what voltage?

Answer 17

sub-transmission voltage

Question 18

distribution voltage is what?

Answer 18

34.5 and under

Question 19

sub-transmission voltage is what?

Answer 19

44.0 and up

Question 20

are sub-transmission and transmission the same thing?

Answer 20

yes

Question 21

what are substations 3 primary functions?

Answer 21

1. change the voltage of circuits from one level to another
2. connect or disconnect lines or equipment from each other
3. control the flow of power by adjusting the voltage and current

Question 22

what does AC current stand for?

Answer 22

Alternating current

Question 23

what does DC current stand for?

Answer 23

Direct current

Question 24

can direct current be transformed?

Answer 24

no

Question 25

can alternating current be transformed?

Answer 25

yes

Question 26

at what voltage range is power generated?

Answer 26

13,800 to 24,000 volts