Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
22 Cards in this Set
- Front
- Back
|
The effect on static electricity are electrical charge were notice by the Greeks, how long ago? A) 100 years ago B) 1,000 years ago C) 5,000 years ago D) 2,500 years ago |
2,500 years ago |
|
|
The conductor is normally made of atoms with __________ electrons valence shell. A) 7 or 8 B) 4 C) 1 to 3 D) 5 or 6 |
1 to 3 |
|
|
NEC Article 300.4 (f) state that ______ Awg or larger ungrounded circuit conductor enter a cabinet. The box enclosure or raceways insulation and bushing, equipment must be used. A) 4 B) 6 C) 8 D) 10 |
4 Awg |
|
|
Type NM cable can be run all of the following location except__________. A) Conceal dry location B) Damp and Moisture location C) Exterior masonry block and tile wall D) B and C |
B and C |
|
|
The term load refer to the amount of ____________ in the circuit branch. A) Wattage B) Current C) Resistance D) Voltage |
Wattage |
|
|
A service mast should be at least _______ inches in diameter to support the weight of the service drop. A) 2 inches B) 2 - 1/2 inches C) 1 - 1/2 inches D) 1 inches |
2 inches |
|
|
A resistor who value can be varied over a range of values is called __________ type of resistor. A) Fixed resistor B) Variable resistor C) Carbon resistor D) Wire wound resistor |
Variable resistor |
|
|
Who may submit a proposal to change the NEC using the proposal form? A) Anyone B) Register electrician C) Member of the code making panel D) Professional engineers |
Anyone |
|
|
Current that flow in only one direction is called unidirectional. It is also refer as ____________ current. A) Direct current B) Alternating current |
Direct current |
|
|
A resistor made by combining metal with glass and then apply to a ceramic base as fit film is a ___________ resistor. A) Wire wound resistor B) Metal film resistor C) Metal glazed resistor D) Carbon film resistor |
Metal glazed resistor |
|
|
In the area where ___________ is enforced, NEC is the law. A) COBRA B) NFPA C) OSHA D) EWC |
OSHA |
|
|
Valence electrons are contained in the __________ shell. A) Bottom B) Middle C) Outer most D) Inner most |
Outer most |
|
|
A variable resistor has a shafts that rotates more than one rotation is called ____________ variable A) Multi-turn B) Wire wound C) Hot |
Multi-turn |
|
|
The law of charges state that like charge _________ and opposite _________. A) Repel, Repel B) Attract, Repel C) Attract, Attract D) Repel, Attract |
Repel, Attract |
|
|
A dash line with a "S" designate ___________. A) Sturdy raceway B) Under floor signal raceway C) Solid raceway D) Signal raceway |
Under floor signal raceway |
|
|
Current that is flow both directions is called bidirectional. It is also refer as ___________. A) Direct current B) Alternate current |
Alternate current |
|
|
A type of outlet notation "H" designate a __________ type of outlet. A) Hung outlet B) High mounted outlet C) Hollow outlet D) Horizontal outlet |
Horizontal outlet |
|
|
A electrical connect made by connecting to the phase of a electrical equipment is called __________ ground. A) Earth B) Chassis C) Circuit D) Supply |
Circuit ground |
|
|
The most common method of producing electricity is ________. A) Friction B) Chemical C) Light D) Magnetism |
Magnetism |
|
|
Which item in the general clause and condition is of value to the contractor and estimator only. A) Proposal B) Agreement C) Schedule of drawing D) Notice to bidder |
Notice to bidder |
|
|
Connector mark _________ are suitable use for Aluminum, Copper, Copper clad Aluminum conductors. Connector not mark are for in use with copper only A) AL/CU B) CO - ALR C) UL9 D) A & B |
AL/CU |
|
|
In a series circuit the resistor have a voltage drop across that are proportional to their resistance value. If the connection are made in their various point in the circuit, different voltage can be obtain. This circuit is called ___________ voltage. A) Multiplier B) Voltage multiplier C) Voltage doubler D) Voltage divider |
Voltage divider |
