function key.
a. Triangle
b. Double Line
c. Circle
d. Dotted Line
Answer: c. Circle
This symbol is standardized to allow users with visual impairments to easily identify the
correct function through touch.
2. In new buildings, thresholds at doorways should be no higher than ________.
a. 1/2"
b. 1-1/4"
c. 3/4"
d. 1/4"
Answer: a. 1/2"
Limiting threshold height reduces tripping hazards and allows smooth passage for
wheelchairs and mobility devices.
3. The maximum knee clearance shall be permitted to extend _____ under an element
that is 9" above the floor.
a. 30"
b. 18"
c. 36"
d. 25"
Answer: d. 25"
This clearance ensures adequate space for wheelchair users to position their knees
comfortably under fixtures.
4. In existing buildings and facilities, the turning space shall be a circular space with a
_____ minimum diameter.
a. 60-inch
b. 50-inch
c. 70-inch
, d. 55-inch
Answer: a. 60-inch
A 60-inch diameter provides sufficient room for a wheelchair to turn completely without
obstruction.
5. The brightness of the elevator car landing sill, threshold platform, and controls are
to be no less than _______ foot-candles.
a. 15
b. 10
c. 54
d. 5
Answer: d. 5
This illumination level ensures visibility while avoiding excessive glare that could affect
users with visual sensitivities.
6. The clear width of an exterior accessible route located within seating areas shall be
_____ minimum.
a. 42 inches
b. 48 inches
c. 36 inches
d. 32 inches
Answer: c. 36 inches
A minimum width of 36 inches allows safe and unobstructed movement for wheelchair
users.
7. In a Type A unit, if measuring to the highest part of the rim or highest part of the
counter, what is the maximum height of the sink front above the floor?
a. 28"
b. 34"
c. 36"
d. 32"
Answer: b. 34"
This height allows accessible use while maintaining functional countertop design.
8. What is the least diameter of grab bars with circular cross sections?
a. 1"
b. 2"
c. 1-1/4"
d. 1-1/2"
, Answer: c. 1-1/4"
This diameter provides a secure and comfortable grip for users with varying hand
strengths.
9. All hardware such as handles, locks, or any other operable parts shall be _____
minimum above the floor.
a. 30"
b. 34"
c. 36"
d. 20"
Answer: b. 34"
This mounting height ensures accessibility for both standing users and those using
wheelchairs.
1. What is the minimum diameter of a circular turnaround area in a new building?
a. 67"
b. 47"
c. 20"
d. 50"
Answer: a. 67"
This dimension allows sufficient space for a wheelchair user to make a full turn without
obstruction.
2. What components shall not be part of an accessible route?
a. Elevators & Platform Lifts
b. Blended Transitions
c. Revolving doors & Turnstiles
d. Gates & Curb Ramps
Answer: c. Revolving doors & Turnstiles
These elements cannot be independently used by individuals with mobility impairments.
3. The maximum height of existing elevator call buttons shall be permitted to be
located ____ above the floor.
a. 45"
b. 48"
c. 54"
d. 42"
Answer: c. 54"
Existing buildings are allowed slightly higher reach ranges due to structural limitations.