ELC601 FINAL EXAM QUESTIONS WITH
100% VERIFIED ANSWERS
\.Todays liquid-filled transformers have their windings immersed in highly refined mineral oil
(combustible), silicone fluid, edible seed oil-based dielectric coolant, or other acceptable
nontoxic liquids that have ___ properties. - ANSWERS✔-High dielectric
\.Utilities make up connections on the line side and load side of their transformers according to
the ___ requirements. - ANSWERS✔-NESC
\.The ___ connection scheme has the advantage of being able to provide either 3-phase or 3-
phase and single-phase power using only two transformers. - ANSWERS✔-Open delta
\.The ___ is defined in NEC Article 100 as the point of connection between the facilities of the
serving utility and the premises wiring. - ANSWERS✔-Service point
\.Throughout this country, and for that matter, throughout the world, ___ is(are) the common
reference point for all electrical systems. - ANSWERS✔-The earth
\.___ occur when an underground "hot" conductor comes in contact with a grounded surface or
grounded equipment. - ANSWERS✔-Ground faults
\.GFPE monitors are designed to sense ___ faults only. - ANSWERS✔-Phase-to-ground
, \.GFCI protection can be attained using GFCI circuit breakers or GFCI ___. - ANSWERS✔-
Receptacles
\.NEC 110.16 has a requirement for placing a notice on a certain equipment to warn qualified
persons of the serious hazard of ___ flash events. - ANSWERS✔-Arc
\.___ is the ability of the lamp to portray objects as normally as possible. - ANSWERS✔-The
color rendering probability
\.Lamps are usually selected according to their ___. - ANSWERS✔-Wattage rating
\.For a fluorescent lamp, the inside of the tube is coated with a phosphor (a fluorescing
material), the air is evacuated, and an inert gas plus a small quantity of ___ is released into the
tube. - ANSWERS✔-Mercury
\.A fluorescent lamp with a 30 in its nomenclature indicates it produces light with a color
temperature of ___ K, which would provide good rendition to warm colors. - ANSWERS✔-3,000
\.A Toxicity Characteristic Leaching Procedure rating means that the lamp has passed ___ tests
regarding the toxicity of the lamp. - ANSWERS✔-EPA
\.Instant-start lamps require single-pin bases and are generally called ___. - ANSWERS✔-Slimline
lamps
\.Fluorescent lamps can be operated on a ___ circuit if the proper ballasts are used. A ballast for
this type of system contains a current-limiting resistor that provides an inductive kick to start
the lamp. - ANSWERS✔-Dc
100% VERIFIED ANSWERS
\.Todays liquid-filled transformers have their windings immersed in highly refined mineral oil
(combustible), silicone fluid, edible seed oil-based dielectric coolant, or other acceptable
nontoxic liquids that have ___ properties. - ANSWERS✔-High dielectric
\.Utilities make up connections on the line side and load side of their transformers according to
the ___ requirements. - ANSWERS✔-NESC
\.The ___ connection scheme has the advantage of being able to provide either 3-phase or 3-
phase and single-phase power using only two transformers. - ANSWERS✔-Open delta
\.The ___ is defined in NEC Article 100 as the point of connection between the facilities of the
serving utility and the premises wiring. - ANSWERS✔-Service point
\.Throughout this country, and for that matter, throughout the world, ___ is(are) the common
reference point for all electrical systems. - ANSWERS✔-The earth
\.___ occur when an underground "hot" conductor comes in contact with a grounded surface or
grounded equipment. - ANSWERS✔-Ground faults
\.GFPE monitors are designed to sense ___ faults only. - ANSWERS✔-Phase-to-ground
, \.GFCI protection can be attained using GFCI circuit breakers or GFCI ___. - ANSWERS✔-
Receptacles
\.NEC 110.16 has a requirement for placing a notice on a certain equipment to warn qualified
persons of the serious hazard of ___ flash events. - ANSWERS✔-Arc
\.___ is the ability of the lamp to portray objects as normally as possible. - ANSWERS✔-The
color rendering probability
\.Lamps are usually selected according to their ___. - ANSWERS✔-Wattage rating
\.For a fluorescent lamp, the inside of the tube is coated with a phosphor (a fluorescing
material), the air is evacuated, and an inert gas plus a small quantity of ___ is released into the
tube. - ANSWERS✔-Mercury
\.A fluorescent lamp with a 30 in its nomenclature indicates it produces light with a color
temperature of ___ K, which would provide good rendition to warm colors. - ANSWERS✔-3,000
\.A Toxicity Characteristic Leaching Procedure rating means that the lamp has passed ___ tests
regarding the toxicity of the lamp. - ANSWERS✔-EPA
\.Instant-start lamps require single-pin bases and are generally called ___. - ANSWERS✔-Slimline
lamps
\.Fluorescent lamps can be operated on a ___ circuit if the proper ballasts are used. A ballast for
this type of system contains a current-limiting resistor that provides an inductive kick to start
the lamp. - ANSWERS✔-Dc
