CTS-D Updated Exam Questions and
Answers with Verified Solutions | Latest
Updated 2026
current is the rate of electrons flowing through a
circuit per
second (in amps). either I for intensity or A
for
Amperes
ergonomics Human factor engineering, scientific study
of the
way people interact with a system
visual field the whole area that you can see without
moving
your head or eyes
how many degrees humans can 15 degrees
see
side to side when looking straight
ahead
an individuals total field of vision 60 degrees from the center line of site in
either
direction
,how far from the standard line of about 10-20 degrees from the center line
site of site
an individual can recognize fine
details, words and color
information
How far from the center line of site 5 to 30 degrees from the center line of site
an individual can identify symbols
the limits of color discrimination 30 to 60 degrees
from
the center line of site
optimal eye rotation along the 30 degrees below the standard line of site
veritcal plane and 25
degrees above
limit of color discrimination on the between 40 degrees below and 30
vertical plane degrees above
the standard line of site
limit of total visual field along the 70 degrees below and 50 degrees above
vertical plane the
standard line of site
the amout of rotation that is 45 degrees for comfortable rotation, 55
reasonable along the horiontal degrees
plane maximum
, sightline the unobstructed view between a person
and the
object or content that they wish to see
sightline study study to determine the most appropriate
seating
layout for a space (to provide the most
clear view)
in a sightline study, how do you draw a sightline from the top of the
determine the minimum distance projected
betweenthe nearest viewer and a image to the eye of the closest viewer at a
display 30
degree angle. this is the maximum image
height. 15
degrees above should land in the cneter of
the
display
aligned seating arangement viewers are placed directly behind the
viewer in
front of them, view may be obstructed
staggered seating arangement people are placed so they can view the
image
between the shoulders of the viewers in
front of
them
typical table height 29 inches, but can range from 25 to 32
inches
Answers with Verified Solutions | Latest
Updated 2026
current is the rate of electrons flowing through a
circuit per
second (in amps). either I for intensity or A
for
Amperes
ergonomics Human factor engineering, scientific study
of the
way people interact with a system
visual field the whole area that you can see without
moving
your head or eyes
how many degrees humans can 15 degrees
see
side to side when looking straight
ahead
an individuals total field of vision 60 degrees from the center line of site in
either
direction
,how far from the standard line of about 10-20 degrees from the center line
site of site
an individual can recognize fine
details, words and color
information
How far from the center line of site 5 to 30 degrees from the center line of site
an individual can identify symbols
the limits of color discrimination 30 to 60 degrees
from
the center line of site
optimal eye rotation along the 30 degrees below the standard line of site
veritcal plane and 25
degrees above
limit of color discrimination on the between 40 degrees below and 30
vertical plane degrees above
the standard line of site
limit of total visual field along the 70 degrees below and 50 degrees above
vertical plane the
standard line of site
the amout of rotation that is 45 degrees for comfortable rotation, 55
reasonable along the horiontal degrees
plane maximum
, sightline the unobstructed view between a person
and the
object or content that they wish to see
sightline study study to determine the most appropriate
seating
layout for a space (to provide the most
clear view)
in a sightline study, how do you draw a sightline from the top of the
determine the minimum distance projected
betweenthe nearest viewer and a image to the eye of the closest viewer at a
display 30
degree angle. this is the maximum image
height. 15
degrees above should land in the cneter of
the
display
aligned seating arangement viewers are placed directly behind the
viewer in
front of them, view may be obstructed
staggered seating arangement people are placed so they can view the
image
between the shoulders of the viewers in
front of
them
typical table height 29 inches, but can range from 25 to 32
inches
