Electrician Apprenticeship
Midterm 1A Exam with
What happens to a negatively charged cloud after a high-current discharge to a
positively charged one? - ANS-The cloud remains negatively charged
What happens when insulated odies are quickly separated? - ANS- oth odies display an
b B b
electrostatic charge, one with excess electrons and the other with fewer electrons
Receptacle outlets installed in a dwelling for specific appliances shall e located within
b
___ feet of the appliance - ANS-6
All conductors of a(n) ___ ranch circuit shall originate from the same panel oard - ANS-
b b
Multi-wire
For an area to qualify as a athroom, a ___ shall e present - ANS-sink / asin
b b b
What is the requirement for receptacle outlets in dwelling units concerning athroom b
asins? - ANS-At least one receptacle outlet must e installed within 36 inches of the
b b
outside edge of each athroom asin
b b
Which of the following est descri es fluorescent lights? - ANS-Illumination resulting from
b b
the com ination of electroluminescence and phosphorescence when current flows
b
through a charged gas or vapor
Fires can e caused y electrical energy when ___ from an arcing electric fault ignites
b b
adjacent com usti le materials - ANS-Current
b b
What is ventricular fi rillation? - ANS-A life-threatening condition in which the heart
b
quivers or fi rillates very rapidly and no longer eats
b b
An enclosure designed for either surface mounting or flush mounting provided with a
frame in which a door(s) can e hung is called a(n) "_____." - ANS-Ca inet
b b
A ground-fault current path is an electrically conductive path from the point of a ground
fault through normally noncurrent-carrying conductors, equipment, or the earth to the
_____. - ANS-electrical supply source
, Heavy-duty admedium-type lampholders shall have a rating of not less than ___ W. -
ANS-660
ranch-circuit EGCs smaller than 4 AWG shall have a continuous outer finish that is
B
either green or green with one or more ___ stripes unless it is are. - ANS-yellow
b
A current flow of ___ mA will most likely cause the heart to stop pumping. - ANS-100
The ___ is that portion of the electrical circuit etween the last overcurrent device and
b
the outlets or utilization equipment. - ANS- ranch Circuit
B
What factors determine the severity of an electric shock? - ANS-The current flowing
through the ody, which is influenced y circuit voltage and contact resistance.
b b
What term descri es the movement of electrons to perform a useful function? - ANS-
b
Current electricity
What is the process of "electroplating"? - ANS- uilding up layers of metal on one surface
B
while removing metal from another surface through chemical action with electric current
in a solution.
The 8' minimum vertical clearance for overhead service conductors shall e maintained
b
in all directions for a minimum distance of ___' from the edge of the roof. - ANS-3
___ conductors are the conductors that extend from the service disconnecting means to
the service point where the service point is located at the connections made at the
service drip loop. - ANS-Overhead service-entrance
What is the primary purpose of a holding relay? - ANS-What is the primary purpose of a
holding relay?
The Wheatstone ridge meter is used for extremely accurate _____ measurements. -
B
ANS-resistance
The outermost shell is called the "valence shell" and electrons in this shell are called
"valence electrons." The maximum num er of electrons in the valence shell is _____. -
b
ANS-eight
To prevent corrosion from forming on low-voltage electronic circuitry connectors, _____
plating is often placed on copper ca le terminals. - ANS-silver or gold
b
Nonconductive optical fi er ca le contains no metallic mem ers and no other _____
b b b
materials. - ANS-electrically conductive
Midterm 1A Exam with
What happens to a negatively charged cloud after a high-current discharge to a
positively charged one? - ANS-The cloud remains negatively charged
What happens when insulated odies are quickly separated? - ANS- oth odies display an
b B b
electrostatic charge, one with excess electrons and the other with fewer electrons
Receptacle outlets installed in a dwelling for specific appliances shall e located within
b
___ feet of the appliance - ANS-6
All conductors of a(n) ___ ranch circuit shall originate from the same panel oard - ANS-
b b
Multi-wire
For an area to qualify as a athroom, a ___ shall e present - ANS-sink / asin
b b b
What is the requirement for receptacle outlets in dwelling units concerning athroom b
asins? - ANS-At least one receptacle outlet must e installed within 36 inches of the
b b
outside edge of each athroom asin
b b
Which of the following est descri es fluorescent lights? - ANS-Illumination resulting from
b b
the com ination of electroluminescence and phosphorescence when current flows
b
through a charged gas or vapor
Fires can e caused y electrical energy when ___ from an arcing electric fault ignites
b b
adjacent com usti le materials - ANS-Current
b b
What is ventricular fi rillation? - ANS-A life-threatening condition in which the heart
b
quivers or fi rillates very rapidly and no longer eats
b b
An enclosure designed for either surface mounting or flush mounting provided with a
frame in which a door(s) can e hung is called a(n) "_____." - ANS-Ca inet
b b
A ground-fault current path is an electrically conductive path from the point of a ground
fault through normally noncurrent-carrying conductors, equipment, or the earth to the
_____. - ANS-electrical supply source
, Heavy-duty admedium-type lampholders shall have a rating of not less than ___ W. -
ANS-660
ranch-circuit EGCs smaller than 4 AWG shall have a continuous outer finish that is
B
either green or green with one or more ___ stripes unless it is are. - ANS-yellow
b
A current flow of ___ mA will most likely cause the heart to stop pumping. - ANS-100
The ___ is that portion of the electrical circuit etween the last overcurrent device and
b
the outlets or utilization equipment. - ANS- ranch Circuit
B
What factors determine the severity of an electric shock? - ANS-The current flowing
through the ody, which is influenced y circuit voltage and contact resistance.
b b
What term descri es the movement of electrons to perform a useful function? - ANS-
b
Current electricity
What is the process of "electroplating"? - ANS- uilding up layers of metal on one surface
B
while removing metal from another surface through chemical action with electric current
in a solution.
The 8' minimum vertical clearance for overhead service conductors shall e maintained
b
in all directions for a minimum distance of ___' from the edge of the roof. - ANS-3
___ conductors are the conductors that extend from the service disconnecting means to
the service point where the service point is located at the connections made at the
service drip loop. - ANS-Overhead service-entrance
What is the primary purpose of a holding relay? - ANS-What is the primary purpose of a
holding relay?
The Wheatstone ridge meter is used for extremely accurate _____ measurements. -
B
ANS-resistance
The outermost shell is called the "valence shell" and electrons in this shell are called
"valence electrons." The maximum num er of electrons in the valence shell is _____. -
b
ANS-eight
To prevent corrosion from forming on low-voltage electronic circuitry connectors, _____
plating is often placed on copper ca le terminals. - ANS-silver or gold
b
Nonconductive optical fi er ca le contains no metallic mem ers and no other _____
b b b
materials. - ANS-electrically conductive
