PEC Reviewer

1. Electroplating uses a ___________ generator.

2. The total opposition to the flow of
alternating  current is ______.

3. 3 phase currents are generally out of phase
by         ____ degrees.

4. ____ is the ratio of output to input.

5. The voltage produce by electromagnetic
induction        is controlled by __.

Which of the following has the highest dielectric       strength to electrical breakdown?

The greatest voltage drop in a circuit will
occur       when the ____the current flow
through that part of       the circuit.

8. ______ results in loss of electrical energy
from  the circuit.

Soft iron is most suitable for use in a _______.

As the temperature increases, the resistance
of         most conductors also increases
except _______.

Of the six ways of producing emf, which method
is        used the least?

Resistance in the power formula equals ____.

What is the formula to find watt hours?

In a series circuit when the voltage remains
constant and the resistance increases, the current _____.

Other factors remaining the same, the effect on
the current flow in the circuit would cause the         current to ___ if the applied voltage
was doubled.

A mil is what part of an inch?

A number 12 wire has a diameter of 80.81
mils.          The cma would be ___.

A substance whose molecules consist of the
same         kind of atoms is called__.

The electrons in the last orbit of an atom
are          called___electrons.

A length of wire has a resistance of 6 ohms.
The        resistance of a wire of the
same material three         times as long
and twice the csa will be___ ohms.

The hot resistance of a 100 watt
incandescent           bulb is about____times
its cold resistance.

The purpose of load in an electrical circuit
is         to____.

A device for making, breaking, or changing              connections in a circuit under
load is a____.

What relationship determines the efficiency
of          electrical equipment?

The conductance of a conductor is the ease
in           which current flows through
it. It is measured in        ____.

In which of the following would a rheostat
most         likely not be used?

Nichrome wire having a resistance of 200 ohms
per        1000 feet is to be used for a
heater that        requires a total
resistance of 10 ohms. the        length
of wire required would be___feet.

A fluorescent light that blink "on" and
"off"           repeatly may in
time___.

Electrical appliances are connected in
parallel         because it___.

IF 18 resistances each 36 ohms are connected
in        parallel, the total resistance
would be ___ ohms.

A negatively charged body has ___.

A capacitor stores ___.

Electrical appliances are not connected in
series        because___.

A capacitor opposes___.

Permanent magnet use___as the magnetic material.

The armature current drawn by any DC motor
is           proportional to the __.

A compnonent having no continuity would                have____resistance.

Basically all electric motors operate on
the            priciple of repulsion or
____.

Generally the maximum ambient temperature
for           operating Class B motors is___.

The change in direction of light passing  from         
one area to another of different density is              called___.

An electrician in the industry would first
check        the____ to correct a low
power factor.

Tinning rubber insulated twisted cable is
done          to___.

Inductance in a circuit______.

The AC system is prefered to the DC system        because____.

The breakdown voltage of an insulation
depends         upon____ value of AC
voltage.

As the power factor of the circuit is               increased___.

For the same rating, the size of a 3 phase motor        will be____ a single phase motor.

Carbon brushes are used on a commutator       because___.

DC series motor are used in applications               where___is required.

The voltage per turn of the primary of a               transformer is ____the voltage
per turn of the          secondary.

A 480/208/120v 3 phase transformer is
connected         delta-wye. The
secondary line voltage of the           
transformer is___in the secondary.

_____equipment or materials to which has been         attached a label, symbol,or other identifying
mark      of an organization that is
acceptable to the

authority having jurisdiction and concerned with        product evaluation that maintains
periodic              inspection of
equipment or materials and indicates

compliance
with appropriate standards or             
performance.

What is the reason the Code requires each       separate     phase conductor to be located in the       same raceway?

A three phase delta-wye connected
transformer,       480v primary, 208/120v
secondary, the secondary line     current
is______.

Circuit breakers shall be marked with a voltage         rating no less than the nominal system
voltage        that is indicative of
their capability to        interupt.

  I. fault currents between
phases

  II. fault currents from
the phase to ground

  III. fault currents
between the neutral and ground

The most common type of base used on
standard          incandescent light
bulbs of 300 watts or less          
is______.

A___of a switch is that part of a switch which
is       used for the making or breaking
of a connection       and which is
electrically insulated from other      
contact making or breaking parts.

The point of attachment of service drop        conductors to a building or other
structure shall        in no casse be
less than ______ feet.

_____of the following is the true statement.

   I. wiring above a nonfire
rated ceiling shall not be      
supported by the ceiling support wires

   II. wiring above a fire
rated ceiling shall not be         
supported by the ceiling support wires

   III. cables and raceways
shall not be permitted to be        
supported by ceiling grids

   IV. the ceiling support
wires shall be permitted to        
support branch circuit wiring in accordance if        with the ceiling manufacturer's
instructions

An insulated ground receptacle shall be                 identified by_____.

The speed of the DC motor can be controlled            by____.

If a three-phase, delta-wye transformer bank            having a 480v primary and a
208/120v secondary,        is considred
to be 100% efficient,and to have

resistive-typeloads,the maximum kva of the load       will be___.

  I. equal to the kva of the
secondary of the              transformer

  II. equal to the primary
kva of the transformer

  III. considerably less than the kva of the
transformer

Surrounded by a case,housing,fence or walls that       prevent persons from accidentally
contacting            energized parts
is______.

_______means that equipments is not readily            accesible to persons unless special
means for           access are used.

________locations are those that are
hazardous         because of the presence
of easily ignitable fibers       or
flyings.

A transformer would most likely have an                efficiency of ____percent.

Where lighting outlets are installed in
interior       stairways, there shall be
a wall switch at each         floor level
to control the lighting outlet where       
the difference between floor level is____steps or       more

The installation of wiring and equipment for
fire        alarm systems including all
circuits contolled          and powered
by the fire alarm system is covered        
in article______.

A conducting material that is____charged
will           have an excess of
electrons.

When three single phase transformers are               connected in such a way that the
line current is        equal to the phase
current this transformer            
is_____ connected.

_______losses in an iron core transformer
occur        when materials are used that
retain a large part        of their
magnetization after the magnetizing force      
is removed. These materials are said to have a          high permanence

The difference between a neutral and a
grounded         circuit conductor is
_________.

A piece of electrical equipment that is
designed       to operate at alternate
intervals of (1) load and       no load;
or (2) load and rest; or (3) load, no         
load, and rest is called____duty.

Insulated conductors of #____or smaller,
intended        for use as grounded
conductors of circuits shall        have
an outer identification of white or natural        gray color.

_____covers and plates shall be permitted with         nonmetallic boxes.

      I. nonmetallic  II. metal

A light fixture to be installed in a wet location        shall be____.

    I. installed so that
water will not accumalate in         
wiring compartments

    II. installed so that
water will not enter the             
wiring compartment

    III. marked suitable for
damped locations

The general requirements for communication              circuits such as
telephone,telegraph, outside          
wiring for fire alarm and burglar alarms is             covered in article____of the NEC.

Thermal protection is required by the NEC             for_____.

     I. fluorescent lighting
fixture ballast installed          indoors

     II. fluorescent
lighting fixture ballast installed         
outdoors

     III. recessed
incandescent fixtures installed               
indoors

All conductors of the same circuit and, where          used, the grounded conductor and all
equipment          grounding conductors
shall be contained within          the
same____.

      I. cable  II. raceway 
III. trench

When a circuit breaker is in the OPEN                   position_______.

   I. you have a short in
the ungrounded conductor

   II. you have a short in
the grounded conductor

An electrical outlet constructed so that
moisture       will not enter the
enclosure is classified as          
being _____.

You have an adjustable trip coil rated at 5
amps        on a 200-amp switch. If you
want the switch to         trip at 120
amps, the trip coil should be set          
at_____.

After cutting a conduit, to remove the
rough            edges on both ends, the
conduit ends should            
be________.

One should use an insulated basket grip to attach        a pull line to the conductors because a
bare            steel grip should not be
used because it will___.

The instrument used to indicate phase
relation         between current and
voltage is the________.

Reactance will cause the current in a circuit
to       vary only when___.

Fixtures supported by the framing members of            suspended ceiling systems shall be
securely            fastened to the
ceiling framing member by              
mechanical means.This would include all but which       of the following?

With two conductors installed in a conduit,
the      conduit can be filled to______%
of its cross          section.

In a residence, no point along the floor line
in       any wall space may be more than
_____feet from an        outlet.

Which of the following electrode must be supplemented by an
additional electrode?

plaster, drywall or plasterboard surfaces
that        are broken or incomplete
shall be repaired so there      will be
no gaps or open spaces greater          
than_____inch at the edge of the fitting box.

When making electrical connections a torque screw      driver or wrench is required because
_____.

   I. many terminations and
equipment are marked with a      
tightening torque

   II. control circuit
devices with screw-type pressure      
terminals used with #14 or smaller copper             conductors shall be torqued to a
minimum of 7           lb-in. unless
identified for a different torque        
value

   III. listed or labeled
equipment shall be installed          and
used in accordance with any instructions            included in the listing or labeling

The SPST switch can control______.

In the OFF position, a good switch will
have             ____resistance.

The tool that is used to align vitrified
tile          conduit in multiple ducts
is a _____.

A transformer is associated with_____current.

Relay contact are made of

A device that serves to govern, in some             predetermined manner, the electric
power delivered       to the apparatus to
which it is connected is           
called a_______.

conductors drawn from a copper-clad aluminum
rod       with the copper metallurgically
bonded to an            aluminum core.
The copper forms a minimum of           
____percent of the csa.

Operation of equipment in excess of normal,        full-load rating, or of a conductor in
excess of        rated ampacity which,
when it persists for a            sufficient
length of time, would cause damage or       
dangerous overheating is called______.