Alex's final review

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

convert 15/32 into a decimal.

.46875

using the approximation method determine the resistance of 1500 feet of copper conductor what a diameter of .146 inches.

.70 ohms

You have a piece of 1/2 inch EMT that has been marked at 13 1/4 inch from the end of the conduit what would the stub up length be if the arrow from the bender is lined up with your mark ?

18 1/4 inch

what is the temp requirement for a 4 hour rated assembly?

2,000 degrees F

receptacles rated ______ amperes or less and designed with direct connection of aluminum conductors shall be marked co/alr, include article number.

20 amps article 406.3 C

whats the circular mils area of a wire having a diameter of 500 mils ?

200 kcm

covert .375 into a fraction.

3/8's

if you buy a 2 liter bottle of wire lube, approx how many pints did you buy ? Given 1 pint =.4732 liters

4.22 or 4 1/4

if there are 360 degrees in a circle how many degrees are in 1/8 of the circle?

45 degrees

The GFCI will interrupt a current to ground as low as?

5 milliamps

the maximum recommended length for an extended extension laddered is ?

55 feet

reduce the fraction to its lowest terms 42/48

7/8

material that contains 1 or 2 electrons in a balance ring and offers very little resistance to current flow are considered to be ???

Conductors

the NEC indicates that an area outdoors but located under canopy's is considered to be a _____ location?

Damp

Convert mills to inches

Divide mills by 1000

non-metallic sheath cable wiring is generally used in what location ???

Dry

Who is the final judge of job safety?

Each worker on the job

supply side bonding jumper is defined in article 100 true of false? if not in article 100 provide correct article number.

False article 250.2

arc fault interrupters are designed to prevent what ?

Fires

the three types of electrical hazards include electric shock, arc ________, and arc ___________.

Flash and blast

solve for H. A=(BxH)/2

H=2A/B

The primary purpose of the apprenticeship program is to provide future craftsmen for our ?

Industry

You and other apprentices were chosen by the NJATC to participate because you displayed positive qualities responsible, attitude, personality, and ____________?

Motivation

convert inches to mills

Multiple inches by 1000

a specialized tool used to prevent misaligned bends is a ?

No dog level

the knowledge of how to use __________ will simplify the process of solving problems involving numbers which contain a large number of 0's.

Powers of ten

electrical equipment rooms or enclosures housing electrical apparatus that are controlled by a lock shall be considered accessible to who ?

Qualified person

which of the following conductors insulation would not be permitted for use in wet locations?

RHH

which of the following marking denotes thermostat insulation designed for the use in a conductor 90-degree C wet area.

Rhw2

The difference in the length between the overall stub-up height and the bending reference mark is the ________.

Take up

the electrical contractor and the electrician must continually work together to satisfy the most important person on the job, who is this person ?

The customer

The side opposite the 90-degree angle in a triangle is known as __________?

The hypotenuse

the project supervisor has a large wire pull setup for Tues morning and he has four people scheduled for the pull, 3 journeymen and 1 apprentice. 2 journeymen setup Monday afternoon for Tues. On the morning the pull is scheduled to be made one journeymen and 1 apprentice did not show up. so it could not be completed. which is true?

This cost the contractor money in downtime, and there were 2 other journeymen standing around doing nothing.

which personal trait cannot be taught by your instructor and journeymen ?

attitude

there are 2 critically important issues involved in assuring job safety, what are they ?

common sense and awareness

grounding __________ that you will not be shocked or killed while working with electricity.

does not guarantee

if a hot wire contacts a ground enclosure a ______ will result

ground fault

which of the following is an unsafe act with respect to ladder usage?

leaning a step ladder against a wall

there are several primary factors which determine severity of electrical shock, which one is among the 4 primary factors?

length of time exposed

electrical equipment shall in installed in a ________ and workmen like manor. Include article #.

neat article 110.12

which of the following factors would be considered by the courts in a sexual harassment case?

physical or verbal

customers depend of our skills and our knowledge of the trade so lack of _______ is not a good reason for delay on a project.

productivity

tongue pliers are normally called what ?

pump pliers

The NEC contains previsions that are considered necessary for what ? include article #.

safety article 90.1 B

apprentice program is designed to mold you into a competent qualified craftsman with well shaped and defined _________, knowledge, and attitude.

skills

what action could be considered sexual harassment?

using obscenely gestures

in sizing individual and gang metal outlet boxes according to article 314 the space necessary for each conductor, each switch, each dimmer, and other items in the box are refereed to as what ?

volume allowance

equipment which is constructed so that moisture will not enter the enclosure under specific test conditions would be defined as?

watertight article 100


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