You dont have javascript enabled! Please enable it! MCQ in Philippine Electrical Code (PEC) Part 14 | REE Board Exam

# MCQ in Philippine Electrical Code (PEC) Part 14 | REE Board Exam

This is the Multiple Choice Questions Part 14 of the Series in Philippine Electrical Code (PEC) as one of the Electrical Engineering topic. In Preparation for the REE Board Exam make sure to expose yourself and familiarize in each and every questions compiled here taken from various sources including but not limited to past Board Exam Questions in Electrical Engineering field, Electrical Engineering Books, Journals and other Electrical Engineering References.

#### Continue Practice Exam Test Questions Part 14 of the Series

Choose the letter of the best answer in each questions.

651.ย  Lightingย  fixturesย  approvedย  forย  dampย  locationsย  shallย  be installed only in _____ locations.

A.ย  damp

B.ย  wet

C.ย  flooded

D.ย  all of these

Solution:

652.ย  What is the metric size equivalent of 1,000 MCM?

A.ย  250 mm2

C.ย  500 mm2

B.ย  750 mm2

D.ย  1,000 mm2

Solution:

653.ย  Antennaย  conductorsย  forย  televisionย  equipmentย  shallย  be installed so they will notย  ____ย  under open electric light or power conductors where possible.

A.ย  parallel

B.ย  cross

C.ย  both A and B

D.ย  neither A or B

Solution:

654.ย  For churches, theย  general lighting load shall be computed at ____.

A.ย  8 VA/m2

C.ย  16 VA/m2

B.ย  12 VA/m2

D.ย  24 VA/m2

Solution:

655.ย  Surfaceย  metallicย  racewayย  shallย  NOTย  beย  usedย  whereย  the voltage isย  ____ย  volts or more between conductors unless the metal has a thickness of not less than one mm.

A.ย  300 mm

B.ย  250 mm

C.ย  150 mm

D.ย  400 mm

Solution:

656.ย  Electricย  dischargeย  lightingย  shallย  beย  connectedย  byย  flexible cordย  ifย  theย  cordย  isย  visibleย  forย  _____ย  percentย  ofย  itsย  entire length.

A.ย  50

B.ย  80

C.ย  90

D.ย  100

Solution:

657.ย  What is the latest edition of the Philippine Electrical Code, Part 2?

A.ย  1994

B.ย  1990

C.ย  1992

D.ย  1988

Solution:

658.ย  Allย  circuitย  conductorsย  betweenย  theย  serviceย  equipmentย  or the generator switchboard of an isolate plant, and the final branch circuit over current device.

A.ย  Service

B.ย  Feeder

C.ย  Branch Circuit

D.ย  All of these

Solution:

659.ย  A disruptive discharge through insulation.

A.ย  Breakdown

B.ย  Surge

D.ย  Fault

Solution:

660.ย  Insulators used to support wires under cross arms are

A.ย  pin

B.ย  spool

C.ย  suspension

D.ย  strain

Solution:

661.ย  A pliable corrugated raceway of circular cross-section with integral or associated couplings, connectors and fittings for the installation of electric conductors.

A.ย  Electrical metallic tubing

B.ย  Rigid non-metallic conduit

C.ย  Electrical non-metallic tubing

D.ย  Rigid metal conduit

Solution:

662.ย  Theย  scopeย  ofย  theย  PECย  coversย  allย  electricalย  conductors including optical fiber cable and equipment installed within orย  toย  orย  fromย  anyย  ofย  theย  followingย  premises,ย  whichย  oneย  is NOT included?

A.ย  Aircraft

B.ย  Motor vehicles

C.ย  Railway rolling stocks

D.ย  All of these

Solution:

663.ย  Theย  maximumย  sizeย  ofย  liquidย  tightย  flexibleย  metalย  conduit shall be ____ trade size.

A.ย  50 mm

B.ย  125 mm

C.ย  150 mm

D.ย  100 mm

Solution:

664.ย  Transformersย  thatย  areย  installedย  inย  unsupervisedย  locations andย  ratedย  overย  600ย  Vย  areย  protectedย  byย  fusesย  onย  the primaryย  sideย  cannotย  exceedย  ____ย  percentย  ofย  theย  primary full load current.

A.ย  150

B.ย  300

C.ย  200

D.ย  250

Solution:

665.ย  Each length of intermediate metal conduit shall be clearly andย  durablyย  identifiedย  atย  ____ย  intervalsย  withย  theย  letters โIMCโ.

A.ย  760 mm

B.ย  600 mm

C.ย  900 mm

D.ย  1,000 mm

Solution:

666.ย  RME Board Exam April 1995

Whatย  isย  theย  maximumย  ratingย  ofย  aย  moldedย  caseย  circuit breakerย  toย  protectย  aย  10ย  hpย  squirrelย  cageย  inductionย  motor rated at 230 volts, 3-phase, 60 Hz with a full load rating of 28 A?

A.ย  30 A

B.ย  50 A

C.ย  70 A

D.ย  100 A

Solution:

667.ย  The sum of all containedย  conductors of an auxiliary gutter at any cross section shall NOT exceed ____ of the interior cross sectional area of the said gutter.

A.ย  10%

B.ย  15%

C.ย  20%

D.ย  25%

Solution:

668.ย  Fluorescentย  lightingย  fixturesย  installedย  inย  _____ย  ceilings shallย  beย  attachedย  toย  theย  framingย  ofย  theย  ceilingย  byย  clips, screws, or rivets.

A.ย  rocked

B.ย  suspended

C.ย  both A and B

D.ย  neither A or B

Solution:

669.ย  RME BOARD APRIL 1994

In rigid metal wiring conduit, conduits shall be supported at least every

A.ย  2,000 mm

B.ย  2,500 mm

C.ย  3,500 mm

D.ย  3,000 mm

Solution:

670.ย  Directย  burial cablesย  orย  conductorsย  with aย  nominal voltage ofย  600ย  Vย  orย  lessย  andย  passesย  underย  airportย  runways includingย  adjacentย  areasย  whereย  trespassingย  isย  prohibited, shall have a minimum cover distance of _____.

A.ย  460 mm

B.ย  500 mm

C.ย  600 mm

D.ย  300 mm

Solution:

671.ย  Ifย  theย  voltageย  levelย  isย  fromย  250ย  toย  600ย  V,ย  theย  airย  space betweenย  theย  wall,ย  doorย  orย  gutterย  partitionย  ofย  anyย  cabinet shall be at least _____.

A.ย  24 mm

B.ย  22 mm

C.ย  28 mm

D.ย  26 mm

Solution:

672.ย  For motors with a marked service factor not less than 1.15, the multiplying factor to be used in determining for size of overload protection shall be _____.

A.ย  110%

B.ย  115%

C.ย  120%

D.ย  125%

Solution:

673.ย  RME BOARD OCTOBER 1995

For a motor starter to be in sight of the controlled motor, it must NOT be more than _____ meters away.

A.ย  20

B.ย  10

C.ย  25

D.ย  15

Solution:

674.ย  Pipelinesย  withย  impedanceย  heatingย  shallย  NOTย  operateย  at greater than _____ AC.

A.ย  30 V

B.ย  24 V

C.ย  50 V

D.ย  100 V

Solution:

675.ย  The area within _____ horizontally from an aircraft power plant shall be classified hazardous under Class I, Division 2 Location.

A.ย  1,200 mm

B.ย  1,500 mm

C.ย  1,800 mm

D.ย  2,000 mm

Solution:

676.ย  Fixture chains shall be wired with ____ wire from the outlet box connections to the sockets of the fixtureย  .

A.ย  solid

B.ย  stranded

C.ย  either A or B

D.ย  neither A or B

Solution:

677.ย  Metal faceplates for flush mounted snap switches shall be of ferrous metal NOT less than _____ in thickness.

A.ย  0.6 mm

B.ย  0.7 mm

C.ย  0.8 mm

D.ย  0.9 mm

Solution:

678.ย  Flexible metallic tubing smaller than _____ electrical trade size shall NOT be used.

A.ย  20 mm

B.ย  15 mm

C.ย  12 mm

D.ย  32 mm

Solution:

679.ย  Theย  sumย  ofย  theย  crossย  sectionalย  areasย  ofย  allย  contained conductors at any cross section of the wireway shall NOT exceed _____ percent of the interior cross sectional area of the wireway.

A.ย  30

B.ย  40

C.ย  50

D.ย  20

Solution:

680.ย  Where nails or screws are likely to penetrate non-metallic sheathedย  cableย  orย  electricalย  non-ย  metalย  tubing,ย  aย  steel sleeve or steel clip NOT less than _____ in thickness shall be used to protect the cable or tubing.

A.ย  1.6 mm

B.ย  1.5 mm

C.ย  2.0 mm

D.ย  1.8 mm

Solution:

681.ย  Anย  auxiliaryย  gutterย  shallย  NOTย  extendย  aย  greaterย  distance than _____ beyond the equipment, which it supplements.

A.ย  8,500 mm

B.ย  8,900 mm

C.ย  9,100 mm

D.ย  none of these

Solution:

682.ย  A clearance of NOT less than ____ shall be provided from recessed fixtures and their trims, ventilating openings and other such openings in room surfaces.

A.ย  100 mm

B.ย  70 mm

C.ย  50 mm

D.ย  30 mm

Solution:

683.ย  Storageย  batteriesย  inย  solarย  photovoltaicย  systemsย  for dwellings shall have cells operating at less than _____.

A.ย  50 V

B.ย  30 V

C.ย  24 V

D.ย  12 V

Solution:

684.ย  Theย  minimumย  spacingย  betweenย  theย  bottomย  ofย  enclosure andย  theย  insulatedย  busbars,ย  theirย  supportsย  andย  other obstructions shall be _____.

A.ย  200 mm

B.ย  210 mm

C.ย  215 mm

D.ย  205 mm

Solution:

685.ย  RME BOARD OCTOBER 1994

Consist of a group of wire twisted to form a metallic string.

A.ย  Duplex wire

B.ย  Loomex wire

C.ย  Solid wire

D.ย  Stranded wire

Solution:

686.ย  Serviceย  dropย  conductorsย  passingย  throughย  sidewalk accessible only to pedestrians where the voltage is limited toย  300ย  Vย  toย  groundย  shallย  maintainย  aย  vertical clearanceย  of NOTย  lessย  thanย  _____ย  atย  theย  electricย  serviceย  entranceย  to buildings.

A.ย  3,700 mm

B.ย  3,100 mm

C.ย  4,600 mm

D.ย  5,500 mm

Solution:

687.ย  Secondariesย  ofย  transformersย  supplyingย  voltageย  for impedance heating of vessels are computed at NOT less than _____ percent of the heating load.

A.ย  150

B.ย  100

C.ย  125

D.ย  130

Solution:

688.ย  Theย  ampacityย  ofย  supplyย  branchย  circuitย  conductors supplyingย  diagnosticย  equipmentย  andย  theย  currentย  ratingย  of the overcurrent protective devices shall NOT be less than _____ย  percentย  ofย  theย  momentaryย  ratingย  orย  _____ย  percent of the long time rating which ever is larger.

A.ย  50, 100

B.ย  60, 125

C.ย  60, 100

D.ย  50, 125

Solution:

689.ย  Inย  dwellingย  unitsย  andย  guestroomsย  ofย  hotels,ย  motelsย  and similar occupancies, the voltage shall NOT exceed _____ voltsย  nominalย  betweenย  conductorsย  thatย  supplyย  the terminals of medium base screw shell lamp holders.

A.ย  250

B.ย  230

C.ย  300

D.ย  150

Solution:

690.ย  RME BOARD OCTOBER 1996

Theย  groundingย  electrodeย  forย  groundingย  communications systemsย  mayย  beย  connectedย  toย  theย  nearestย  accessible location on any of the following EXCEPT one. Which on is this?

A.ย  Buried interior PVC water piping system

B.ย  Grounding electrode conductor

C.ย  Building structure of a concrete building

D.ย  Groundingย  terminalย  ofย  serviceย  equipmentย  ifย  provided by the utility company

Solution:

691.ย  Transformersย  usedย  toย  stepย  downย  voltageย  forย  generalย  use are classified as _____ systems.

A.ย  separately derived

B.ย  classified

C.ย  direct

D.ย  emergency

Solution:

692.ย  Forย  aย  portableย  motorย  ratedย  atย  _____ย  horsepowerย  orย  less, the controller shall be permitted to be an attachment plug and receptacle.

A.ย  0.25

B.ย  0.33

C.ย  0.125

D.ย  none of these

Solution:

693.ย  Hazardous locations in which combustible dust is in the air underย  normalย  operatingย  conditionsย  inย  quantitiesย  sufficient to produce explosive or ignitable mixtures.

A.ย  Class II, Division 1

B.ย  Class II, Division 2

C.ย  Class III, Division 1

D.ย  Class III, Division 2

Solution:

694.ย  Aย  fixtureย  requiringย  supplyย  wireย  ratedย  higherย  thanย  90ยฐC shallย  beย  soย  markedย  inย  lettersย  _____ย  highย  prominently displayed on the fixture.

A.ย  6.0 mm

B.ย  10 mm

C.ย  6.4 mm

D.ย  8.4 mm

Solution:

695.ย  Rosettes for exposed wiring shall be provided with bases that shall be high enough to keep the wires and terminals at least _____ from the surface wired over.

A.ย  10 mm

B.ย  12 mm

C.ย  13 mm

D.ย  15 mm

Solution:

696.ย  RME BOARD OCTOBER 1995

Branchย  lightingย  circuitsย  shallย  beย  protectedย  byย  over-current devices not rated more than _____.

A.ย  40 A

B.ย  20 A

C.ย  30 A

D.ย  50 A

Solution:

697.ย  Solar photovoltaic systems in a one-ย  family dwelling units withย  circuitsย  ratedย  overย  _____ย  toย  groundย  whileย  energized shall NOT be accessible to other than qualified persons.

A.ย  50 V

B.ย  150 V

C.ย  100 V

D.ย  none of these

Solution:

698.ย  Whereย  liquidtightย  flexibleย  metalย  conduitย  isย  installedย  asย  a fixedย  raceway,ย  itย  shallย  beย  securedย  atย  intervalsย  NOT exceeding _____.

A.ย  1,500 mm

B.ย  1,250 mm

C.ย  1,400 mm

D.ย  1,300 mm

Solution:

699.ย  An approved assembly of insulted conductors with fittings andย  conductorย  terminationsย  inย  aย  completelyย  enclosed ventilated protective metal housing.

A.ย  Cable tray

B.ย  Cablebus

C.ย  Gutter

D.ย  Busway

Solution:

700.ย  RME BOARD APRIL 1994

The inner strand of ACSR is made of

A.ย  Brass

B.ย  Steel

C.ย  Copper

Solution:

#### Questions and Answers in Philippine Electrical Code

Following is the list of practice exam test questions in this brand new series:

MCQ in Philippine Electrical Code
PART 1: MCQ from Number 1 โ 50                Answer key: included
PART 2: MCQ from Number 51 โ 100            Answer key: included
PART 3: MCQ from Number 101 โ 150           Answer key: included
PART 4: MCQ from Number 151 โ 200           Answer key: included
PART 5: MCQ from Number 201 โ 250           Answer key: included
PART 6: MCQ from Number 251 โ 300           Answer key: included
PART 7: MCQ from Number 301 โ 350           Answer key: included
PART 8: MCQ from Number 351 โ 400            Answer key: included
PART 9: MCQ from Number 401 โ 450            Answer key: included
PART 10: MCQ from Number 451 โ 500          Answer key: included

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