Exam Questions and CORRECT Answers
Which of the below color output strategies is possible with controlled LED lighting? -
CORRECT ANSWER - tune color output to produce any color
tune shade of white light to desired CCT
dim to a very warm CCT similar to incandescent dimming
Which of the below control strategies is enacted using a time clock, which may be a physical
device or more commonly implemented by a lighting controller? - CORRECT ANSWER -
scheduling
A control protocol is _____. - CORRECT ANSWER - A set of rules that define the
behavior of components in a control system
Which of the below is NOT an example of a standalone control device? - CORRECT
ANSWER - Lighting controller
When it is said, "Lighting controls save energy by ensuring lighting is only used WHERE it's
needed," what control strategy is being referred to? - CORRECT ANSWER - Reducing
light level based on daylight level or visual needs
A lighting controller is a ______. - CORRECT ANSWER - A control input device
What is a distinguishing feature of a centralized intelligent lighting control system? - CORRECT
ANSWER - The system is programmed and controlled using software that resides on a
central server or the Cloud
Energy consumption, occupancy and potentially other data can be measured and stored for
analysis
,Luminaire/Zone status can be monitored, potentially with alarm notifications
The controls narrative provides ____. - CORRECT ANSWER - Sequence of operations
for each control point in a control system
The sequence of operations for a control point defines _____. - CORRECT ANSWER -
What the control point does in response to various inputs
Automatic lighting control is ideally suited to _____. - CORRECT ANSWER - Energy
management
Control zones may be organized by _____. - CORRECT ANSWER - Energy code
requirements
Daylight availability
Lighting schedules
What is a distinguishing feature of a networked control system? - CORRECT ANSWER -
Lighting controllers are networked enabling addressable control points that can be grouped and
programmed
When it is said, "Lighting controls save energy by ensuring lighting is only used WHEN it's
needed," what control strategy is being referred to? - CORRECT ANSWER - Automatic
shutoff based on occupancy or time of day
Which would be better suited for turning the lights OFF or reducing light levels in a classroom
when it is not occupied? - CORRECT ANSWER - Switching
Which of the below control strategies is enacted using a light sensor (photosensor)? - CORRECT
ANSWER - Occupancy sensing
, Which would be better suited for turning lights OFF in certain areas or reducing light levels in an
occupied open office? - CORRECT ANSWER - dimming
A lighting control zone is _____. - CORRECT ANSWER - One or more light sources
simultaneously controlled by a single control output
Occupancy sensors may be specified as _____ devices. - CORRECT ANSWER - full - ON
Occupancy sensors save energy by turning OFF the lights when the space is _____. - CORRECT
ANSWER - unoccupied
Line-voltage occupancy sensors do not require a power pack, which makes them suitable for
applications where there is no plenum or junction boxes are hard to access. However, they have
the disadvantage of _____. - CORRECT ANSWER - Needing additional wiring, which
can add cost
_____ occupancy sensors utilize a single detection method that involves sensing the difference in
heat emitted by humans in motion from that of the background space. - CORRECT
ANSWER - PIR
Ultrasonic sensors generally cannot see around objects because they require a direct line of sight
to the person being detected. - CORRECT ANSWER - true
Ultrasonic sensors have the highest sensitivity to motion when the person is moving [u]. -
CORRECT ANSWER - Laterally to the sensor
PIR sensors have the highest sensitivity to motion when the person is moving _____. -
CORRECT ANSWER - to and from the sensor
We need to choose an occupancy sensor for an application that features obstacles such as
partitions. Which sensor would be appropriate? - CORRECT ANSWER - ceiling mounted