EL020 Final Exam Questions And
Answers Latest Update
A ________ fault is by far the most frequent type of fault. -
correct answer ✅Line-to-ground
A _______ grounding system refers to a multigrounded neutral that
somewhere downstream divides into two separate conductors: a
neutral conductor and a ground wire. -
correct answer ✅TN-C-S
A ______ is a low-voltage switch that is normally in either an open
or closed position. -
correct answer ✅relay
A ______ is part of the electrical circuit and is a current-carrying
conductor that provides a path for current to flow back to the
source. -
correct answer ✅neutral
A ______ thunderstorm occurs when a cold front meets a front of
warm, moist air. -
correct answer ✅frontal
A ____ -delayed-instant philosophy specifies that the first trip-out
operation of the source multi-shot device is delayed long enough
,EL020 Final Exam Questions And
Answers Latest Update
for a downstream fuse to blow first. -
correct answer ✅time
For a circuit to be complete, all the current leaving the source
must____. -
correct answer ✅return to the source
Many utilities have voltage conversion programs to convert their
systems from typical primary voltages to higher ________ voltages.
-
correct answer ✅distribution
Measuring the ____ of a ground rod can confirm that an installation
meets design requirements. -
correct answer ✅resistance
Premature corrosion of metal hardware occurs when the metal
becomes part of a ______. -
correct answer ✅corrosion cell
Soil with no moisture content would be an -
correct answer ✅insulator
, EL020 Final Exam Questions And
Answers Latest Update
The _____ scheme of the high-voltage system is divided into
protective zones. -
correct answer ✅protection
______ a power system means electrically connecting the neutrals
of every wye-connected transformer or generator to earth. -
correct answer ✅system grounding
_______ are used to protect every part of an electrical system -
correct answer ✅circuit breakers
_____ corrosion is due to a DC of external origin flowing from a
metal into an electrolyte -
correct answer ✅stray-current
A grounding support stud is also know as a(n) ______ stud -
correct answer ✅piggyback
A typical jumper ground or ground set consists of a flexible copper
stranded cable covered with a jacket rated at _____ V. -
correct answer ✅600
Answers Latest Update
A ________ fault is by far the most frequent type of fault. -
correct answer ✅Line-to-ground
A _______ grounding system refers to a multigrounded neutral that
somewhere downstream divides into two separate conductors: a
neutral conductor and a ground wire. -
correct answer ✅TN-C-S
A ______ is a low-voltage switch that is normally in either an open
or closed position. -
correct answer ✅relay
A ______ is part of the electrical circuit and is a current-carrying
conductor that provides a path for current to flow back to the
source. -
correct answer ✅neutral
A ______ thunderstorm occurs when a cold front meets a front of
warm, moist air. -
correct answer ✅frontal
A ____ -delayed-instant philosophy specifies that the first trip-out
operation of the source multi-shot device is delayed long enough
,EL020 Final Exam Questions And
Answers Latest Update
for a downstream fuse to blow first. -
correct answer ✅time
For a circuit to be complete, all the current leaving the source
must____. -
correct answer ✅return to the source
Many utilities have voltage conversion programs to convert their
systems from typical primary voltages to higher ________ voltages.
-
correct answer ✅distribution
Measuring the ____ of a ground rod can confirm that an installation
meets design requirements. -
correct answer ✅resistance
Premature corrosion of metal hardware occurs when the metal
becomes part of a ______. -
correct answer ✅corrosion cell
Soil with no moisture content would be an -
correct answer ✅insulator
, EL020 Final Exam Questions And
Answers Latest Update
The _____ scheme of the high-voltage system is divided into
protective zones. -
correct answer ✅protection
______ a power system means electrically connecting the neutrals
of every wye-connected transformer or generator to earth. -
correct answer ✅system grounding
_______ are used to protect every part of an electrical system -
correct answer ✅circuit breakers
_____ corrosion is due to a DC of external origin flowing from a
metal into an electrolyte -
correct answer ✅stray-current
A grounding support stud is also know as a(n) ______ stud -
correct answer ✅piggyback
A typical jumper ground or ground set consists of a flexible copper
stranded cable covered with a jacket rated at _____ V. -
correct answer ✅600
