Exam (elaborations)
IEC 3A QUESTIONS AND ANSWERS FULLY SOLVED
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Exam of 110 pages for the course IEC at IEC (IEC 3A)
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IEC 3AThe purpose of connecting the main bonding jumper is to ___.
Select one:
a.lead stray currents away from the equipment
b.minimize static electricity
c.provide an effective path for ground-fault current
d.minimize shock hazard - answer2020 NEC: 100_Bonding Jumper, Main
The correct answer is: provide an effective path for ground-fault current
Which of the following determines the severity of an electric shock?I. the path taken by
current through bodyII. the length of time current flowsIII. the amount of current flowing
Select one:
a.II & III only
b.I & II only
c.I & III only
d.I, II & III
e.II only - answerThe correct answer is: I, II & III
Electricians must be concerned with height transitions between areas with different ___
heights.
Select one:
a.roof
b.ceiling
c.both a and b
d.neither a nor b - answerThe correct answer is: both a and b
As used in reference to construction drawing, CAD is an abbreviation for ___.
Select one:
a.Cylindrical Area Dimensions
b.Computer Aided Drafting
c.Centered Air Diffuser
d.Copper or Aluminum Device - answerThe correct answer is: Computer Aided Drafting
BCES Panel LD is located in Main Electrical Room (D154). Conduits can be stubbed
up, turned, and then extended through the ___ wall to the required outlets.I. north II.
east III. south IV. west
Select one:
a.I or II only
b.III or IV only
c.II or III only
d.any of these - answerThe correct answer is: I or II only
,___ is a special moisture-resistant type of gypsum board attached to wall studs and
used in damp areas, such as in bathrooms.
Select one:
a.Durock®
b.Greenboard - answerThe correct answer is: Greenboard
On building project drawings, references made to above finished floor and above floor
are equivalent.
Select one:
a.True
b.False - answerThe correct answer is: False
The wood used in BCES walls to provide substantial support for wall-hung equipment
and millwork is fire-treated lumber.
Select one:
a.True
b.False - answerThe correct answer is: True
___ is a special cement-based type of board attached to wall studs and used in wet
areas, such as in bathrooms.
Select one:
a.Wonderboard®
b.Durock®
c.Hardibacker®
d.any of these - answerThe correct answer is: any of these
The conduit for the drinking fountains on the east side of BCES Corridor D130 can be
installed straight up from the box, through the stud wall behind the equipment.
Select one:
a.True
b.False - answerAs discussed in the curriculum manual, this is a chase-type, half wall,
Type G. The conduit must be routed to an adjacent wall.
The correct answer is: False
On the BCES plans, "SIM" is an abbreviation for ___.
Select one:
a.simulated
b.similar
c.striated imitation marble
d.scaled in metrics - answerThe correct answer is: similar
On architectural plans, "O.H." is an abbreviation for ___. O.H. typically appears adjacent
to detail callouts.
Select one:
a.or higher
,b.opposite hand
c.overhead
d.on hold - answer@ Rm A112 Detail 4 on Dwg A8.1 shows O.H.This detail shows 24"-
deep millwork on the left and 30"-deep millwork on the right For Rm A112 the millwork
detail is Opposite Hand (mirror image) because the deeper portion is on the left.
The correct answer is: opposite hand
Revisions to construction drawings are indicated by ___.
Select one:
a.a numbered, triangular symbol near the revised area or item
b."clouding" around the revised area or item
c.both a and b
d.neither a nor b - answerboth a and b
As a consideration for the receptacle outlet box installation in BCES Room B114, the
stud-to-finish dimension is ___.
Select one:
a.1"
b.5/8"
c.17/8"
d.11/4"
e.11/8" - answer5/8" rock + 3/8" for tile = 1"
The correct answer is: 1"
The walls in BCES Mechanical Room C109 are ___.
Select one:
a.painted CMUs
b.painted sheetrock
c.VWC over sheetrock
d.none of these - answerThe correct answer is: painted sheetrock
BCES Room D136 has a(n) ___ ceiling.
Select one:
a.13'-0"
b.9'-2"
c.open to deck
d.9'-0"
e.19'-0"
f.14'-4" - answerThe correct answer is: 13'-0"
The BCES finish schedule for Area B includes walls finished with ___.I. VWC II. FRP III.
epoxy paint
Select one:
a.I only
b.I & II only
c.II only
, d.I, II & III
e.II & III only
f.I & III only - answerThe correct answer is: I & II only
The floor finish in BCES Room D132 is ___.
Select one:
a.sealed concrete
b.ceramic tile
c.VCT
d.carpet - answerThe correct answer is: VCT
The walls in BCES Room B114 are covered with ___.I. paint II. vinyl III. ceramic tile
Select one:
a.II & III only
b.I only
c.III only
d.I & II only
e.I & III only
f.II only - answerThe correct answer is: I & III only
The floor finish in BCES Room A118 is ___.
Select one:
a.carpet
b.sealed concrete
c.VCT
d.ceramic tile - answerThe correct answer is: sealed concrete
The walls in BCES Room B119 are ___.
Select one:
a.VWC over sheetrock
b.ceramic tile
c.painted sheetrock
d.none of these - answerThe correct answer is: VWC over sheetrock
The floor finish in BCES Room D151 is ___.
Select one:
a.ceramic tile
b.quarry tile
c.sealed concrete
d.glazed tile pavers
e.carpet
f.VCT - answerThe correct answer is: quarry tile
The floor finish in BCES Room B136 is ___.I. ceramic tile II. carpet III. VCT
Select one:
a.II & III only
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