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Elec > Final > Flashcards

Final Flashcards

Final

1
Q

A good conductor has how many valence electrons?

A

1

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2
Q

How many wires do we use to complete a 120v circuit?

A

3

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3
Q

What are the 4 letters of the ohm’s wheel?

A

E, I, R, and G

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4
Q

What does AWG stand for?

A

American Wire Gauges

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5
Q

What are the two most common bending angles used of offsets?

A

30 and 45

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6
Q

Which steel conduit has the thinnest walls?

A

EMT

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7
Q

What does EMT stand for?

A

Electrical Metallic Tubing

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8
Q

What three things must be present for a fire to start?

A

oxygen, fuel, and heat

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9
Q

A type c firee

A
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10
Q

What is the take up of a 3/4 hand bender, in inches?

A

6 inches

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11
Q

Any insulators, non good conductors, have how many valence electrons?

A

2 or more

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12
Q

What three things must occure for a fire to occure?

A

Oxygen, fluid, and heat

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13
Q

What are fire A extueiters used for?

A

Ordinary combustibles

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14
Q

What are type b fire exteriors used for?

A

Flammable liquid

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15
Q

What steel conduit has the thickest walls?

A

rigid

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16
Q

what steel conduit is in the middle?

A

Intermediate

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17
Q

A sign with green lettering, white background, and white lettering is what?

A

information sign

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18
Q

Symbol for ohm’s is referd to as what?

A

Omega

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19
Q

What is ohm’s measured in?

A
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20
Q

Why do we wear Cotten?

A

Dosent flare up(fire tartdent)

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21
Q

What is the 9th chapter of the NEC book?

A

Tables

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22
Q

277v circuit, what is the natural

A

Gray

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23
Q

What does a SDS do?

A

for chemicals, and if you use a chemical without one can result in a law suit.

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24
Q

what is the grounding conducter called?

A

The ground

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25
Q

What does OSHA stand for?

A

Occupational Safety and Health Administration

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26
Q

What does deduct also mean?

A

Stup up or take up

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27
Q

What is the take up/ deduct for a 1/2 hand bender?

A

5 inches

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28
Q

What is the take up for a 1 hand bender?

A

8 inches

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29
Q

What is the take up for a 1 and 1/4 hand bender?

A

11 inches

30
Q

What is the Gain for a 1/2 hand bender?

A

2 1/2inches

31
Q

What is the gain for a 3/4 Hand bender?

A

3 inches

32
Q

What is the gain for a 1 hand bender?

A

3 15/16 inches

33
Q

What is the gain for a 1 1/4 hand bender

A

4 5/8 inches

34
Q

What is the back to back formula?

A

Stub 1 + sub 2 - gain(x2)

35
Q

What is the offset for a 10 degree?

A

5.76

36
Q

What is the offset for a 22 degree?

A

2.6

37
Q

What is the offset for a 30 degree?

A

2

38
Q

What is the offset for a 45 degree?

A

1.141

39
Q

What is the offset for a 60 degree?

A

0.577

40
Q

What is the shrink for a 10 degree?

A

.0625

41
Q

What is the shrink for a 22 degree?

A

.2

42
Q

What is the shrink for a 30 degree?

A

.27

43
Q

What it the shrink for 45 degree?

A

.41

44
Q

What is the shrink for a 60 degree?

A

1.15

45
Q

What is gain?

A

Increase in length

46
Q

What is E?

A

Electro motive force(driving force)

47
Q

What is I?

A

Intensity flow

48
Q

What is R?

A

Resistance

49
Q

What is P?

A

Power

50
Q

Symbol for E

A

V(voltage)

51
Q

Symbol for I

A

A(Amps)

52
Q

Symbol for R

A

n(ohms)

53
Q

Symbol for p

A

W(wattage)

54
Q

Calculate for electrical theory

A

P E
————
E I R

55
Q

Symbol for a switch?

A

$

56
Q

Symbol for a receptical

A

A circle with two lines

57
Q

What is the ground conductor called?

A

The nuteral

58
Q

Color of nuteral color of a 120/240v circuit?

A

White

59
Q

Color of nuteral color if not a 120/240v circut

A

Gray

60
Q

An impact drill has more ___ than a common drill

A

Torque

61
Q

A piece of rigging hardwear used to couple the end of a wire rope to the eye fittings hooks, or other connections is a?

A

Hitch

62
Q

4 most common accidents at job cites

A

Struck by, caught in, electrocution and falls

63
Q

5 PPE items

A

Steal toe boots, hard hat, safety glasses, gloves, highvisim vest

64
Q

What is used to connect a pice of EMT to a box?

A

Connector

65
Q

What size wires are inside of the AWG 12/2 NM-B

A

14AWG

66
Q

What measuring system does amarica use?

A

Imperial

67
Q

What frequency does amrica run on?

A

60Hz

68
Q

What wrench will most likely to fit one size of hardwear?

A

Combination wrench

69
Q

What wrench will most likely to fit two/ more size of hardwear?

A

A cresent/adjustable wrench

70
Q

Type c extinguishers

A

Electrical fires

71
Q

Type d extinguishers

A

Combustible metals.

Elec (2 decks)

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