Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Electric > Long Electric Test Created 10/30 > Flashcards

Long Electric Test Created 10/30 Flashcards

(68 cards)

Start Studying
1
Q

What does NEMA stand for?

A

National Electrical Manufacturer association

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are the wearable parts of a DC motor?

A

Brushes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What does NEC stand for?

A

National Electric code

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

The abbreviation FLA on a motor stands for?

A

Full load amps

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

The low voltage side of the transformer is the

A

Secondary side

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

A DC motor acts as what with no power supply?

A

A generator

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Changing any ____of the 3 leads of a 480 VAC motor will change the motors rotation.

A

2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

X2 should always be ___ on a transformer

A

Neutral

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Black and yellow stripe box at cliffs indicates?

A

250 VDC crane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What does NC stand for?

A

Normally closed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

The ______ _______ gives you information on a motor.

A

Data/name plate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

List 4 things that make up an electrical circuit.

A

Source voltage
Wire
Switches
Load

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

The size of a motor starter is determined by the _____ of a motor

A

Horsepower

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Name four types of motors

A

Single phase
3 phase
DC
AC

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

________ _______ is the initial surge of power going out to a motor until it comes up to speed.

A

Inrush current

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

When wiring up a float switch or a sump pump the float switch should be wired in the ___ ___ position so the motor will not run when the water is low in the sump pit.

A

Normally open

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

The omega symbol stand for

A

OHMS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

A ______ _______ is a device that provides an adjustable time period to preform a function and a circuit.

A

Timing relay

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

A _____ wire can be used to temporarily fix an electrical issue.

A

Jumper

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Receptacles that are going to be protected should be wired on the ____ side of the GFCI:

A

Load

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Taping method used to protect the wire tag

A

Back taping

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

14 gauge wire is rated for how many amps?

A

20 AMPS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

12 gauge wire is rated for how many AMPS?

A

25 AMPS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

How many thermal overloads are needed to protect a three phase motor?

A

3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
And E-stop is a ______ type of button
Maintain
26
A start button is a _____ type button
Momentary
27
When using a megger to check a motor a good reading phase to phase:
0.0
28
What PPE is to be worn when testing a live power source?
ARC flash
29
Motors under 20 horsepower are wired in a ____ configuration
Y
30
Motors above 20 horsepower are wired in _____ configuration
Delta
31
Pushing a fish tape towards a live power source, what precautions should you take?
Cardboard or pice of wood
32
When checking a circuit with the power off to the circuit, your meeter should be set on ______ to check the circuit.
OHMS
33
How is the capacitor discharged in a motor?
Shorted
34
Trouble shooting a circuit hot is best to check for
Source voltage
35
Multiple start buttons in a circuit should be wired in _____?
Parallel
36
When using a megger a good reading, phase to ground on a motor is?
550 M OHMS
37
How many AMPS does a 1,500 watt 120 VAC heater draw?
12.5 AMPS I= P/E
38
10 gauge is rated for how many AMPS?
35 AMPS
39
In a circuit using 10 gauge wire, a ____ amp breaker is used (to protect it)
30 amp
40
Colored wire in a motor starter bucket normally indicates ______ voltage
Control
41
What are the wires called that run between 3 way switches so that either switch can turn the lights on or off?
Travelers
42
When one phase of 480 VAC 3 phase is lost or open in a power circuit and the motor is not turning and humming, it is _______
Single phase
43
What phase is a control transformer?
Single phase
44
A lighting circuit gets placed on what amp breaker
15 AMP
45
How many receptacles can be on a 20 amp circuit?
10
46
IEC stand for?
International Electrotechnical commission
47
What voltage is supplied to a control transformer?
480 VAC
48
What wire should never be hooked to a switch?
Neutral
49
What type of wire is used in home application
Romex
50
A _______ ________ is used to make a motor run.
Motor starter
51
Voltage has to be supplied to the ______ of a magnetic starter so that the moveable main tips close to allow power to be supplied to the motor.
Coil
52
_______ are used to keep a motor running without holding the start button
Seal in tips
53
After changing a motor you should always ________ _________ to check for proper motor rotation.
Bump test
54
When running a light circuit you should use what gauge wire?
14 AWG
55
A stop button should be ____ ______ at its resting state.
Normally closed
56
The ________ is the high voltage side of a single phase step down transformer
Primary side
57
A _____ ______is a is used to protect the control transformer
Control fuse
58
A _______ takes 480 VAC down to 120 VAC
Transformer
59
The _______ ________ should be hooked up to a gold screw on a receptacle
Hot wire
60
________ are used in a motor circuit to protect the motor from high current
Overloads
61
A _______ ________is a central location that distributes electric through the home
Load center
62
AC stands for
Alternating current
63
A black box indicates what at cliffs steel
250 VDC
64
What amp breaker is used on a receptacle circuit?
20 Amp
65
A green or bare copper wire should always be used as a?
Ground
66
HP is the abbreviation for what?
Horse power
67
What does RPM stand for?
Revolutions per minute
68
What gauge wire is used to supply power for a dryer or range?
10 AWG

Electric (6 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions