CEM 375 FINAL QUESTIONS AND
ANSWERS WITH SOLUTIONS 2024
footcandle - ANSWER Illuminance is measured in _______________.
electrons - ANSWER Voltage and amperage are two measures of electrical current or flow of?
5 seconds - ANSWER A standby electrical generator is required by code to be online within ___________
after sensing a loss of normal power.
pressure, volume - ANSWER Voltage is a measure of the ___________ that allow electrons to flow while
amperage is a measure of the ___________ of electrons.
arc flash - ANSWER What is the term that is used to describe lighting in a box regarding the safety
requirements for a disconnect switch located in the switchgear?
Photometrics - ANSWER ___________ study is developed by the lighting manufacture to determine the
foot-candles of a specific area such as a parking lot.
Low pressure sodium - ANSWER ____________ lamps have the highest efficiency of all HID lamps and
they produce a yellowish light.
Incandescence - ANSWER Which light bulb uses 95% of the electrical energy as heat rather than visible
light?
Secondary - ANSWER What is the underground power section for the Edison Conduits that is running
from the building transformer to the building switchgear?
Poke through - ANSWER What type of rated electrical floor box is used that is installed into an existing
concrete elevated deck?
, 3, 10 - ANSWER Conduits must be supported at least once every ________ feet and within __________
feet of each J-box.
National Electrical Code - ANSWER What does NEC stand for?
White and grey - ANSWER What are the two common colors used for a neutral wire?
Heavy duty - ANSWER What classification of disconnect switch that is motor rated and is designed for
industrial use?
Type 3 - ANSWER What type of NEMA enclosure is designed for outdoor use?
Electrical Metallic Tubing - ANSWER What does EMT stand for regarding a type of electrical conduit?
Mercury, Sodium, Metal - ANSWER What are the three lamps that are part of the HID family?
Liquid tight - ANSWER What type of flexible metallic conduit that is used for wet installations?
Cable tray - ANSWER ____________ is used in commercial applications to support conduit and low
voltage wiring were equipment is frequently moved.
shading - ANSWER A ____________ study helps identify the location of the solar panels on the roof so
they are installed away from any objects that would block out the sun to the solar panels.
Hertz - ANSWER For standard measurement, the period of time that is one second of the frequency is
commonly measured in cycles per second and is expressed in _________.
DC - ANSWER What is the type of current that is generated by a solar panel?
Frequency, amplitude - ANSWER What are the two basic properties of Alternating Current?
ANSWERS WITH SOLUTIONS 2024
footcandle - ANSWER Illuminance is measured in _______________.
electrons - ANSWER Voltage and amperage are two measures of electrical current or flow of?
5 seconds - ANSWER A standby electrical generator is required by code to be online within ___________
after sensing a loss of normal power.
pressure, volume - ANSWER Voltage is a measure of the ___________ that allow electrons to flow while
amperage is a measure of the ___________ of electrons.
arc flash - ANSWER What is the term that is used to describe lighting in a box regarding the safety
requirements for a disconnect switch located in the switchgear?
Photometrics - ANSWER ___________ study is developed by the lighting manufacture to determine the
foot-candles of a specific area such as a parking lot.
Low pressure sodium - ANSWER ____________ lamps have the highest efficiency of all HID lamps and
they produce a yellowish light.
Incandescence - ANSWER Which light bulb uses 95% of the electrical energy as heat rather than visible
light?
Secondary - ANSWER What is the underground power section for the Edison Conduits that is running
from the building transformer to the building switchgear?
Poke through - ANSWER What type of rated electrical floor box is used that is installed into an existing
concrete elevated deck?
, 3, 10 - ANSWER Conduits must be supported at least once every ________ feet and within __________
feet of each J-box.
National Electrical Code - ANSWER What does NEC stand for?
White and grey - ANSWER What are the two common colors used for a neutral wire?
Heavy duty - ANSWER What classification of disconnect switch that is motor rated and is designed for
industrial use?
Type 3 - ANSWER What type of NEMA enclosure is designed for outdoor use?
Electrical Metallic Tubing - ANSWER What does EMT stand for regarding a type of electrical conduit?
Mercury, Sodium, Metal - ANSWER What are the three lamps that are part of the HID family?
Liquid tight - ANSWER What type of flexible metallic conduit that is used for wet installations?
Cable tray - ANSWER ____________ is used in commercial applications to support conduit and low
voltage wiring were equipment is frequently moved.
shading - ANSWER A ____________ study helps identify the location of the solar panels on the roof so
they are installed away from any objects that would block out the sun to the solar panels.
Hertz - ANSWER For standard measurement, the period of time that is one second of the frequency is
commonly measured in cycles per second and is expressed in _________.
DC - ANSWER What is the type of current that is generated by a solar panel?
Frequency, amplitude - ANSWER What are the two basic properties of Alternating Current?
