Residence Lift Technician (CAT) Practice
Exam Questions And Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. Which of the following is the primary purpose of a residential lift?
A. To provide exercise for the user
B. To enhance home décor
C. To safely transport individuals with mobility limitations
D. To store equipment
Rationale: The main function of a residential lift is to safely transport
individuals who have mobility impairments between levels of a home.
2. What standard must residential lifts comply with in the United States?
A. OSHA 1910
B. NFPA 70
,C. ASME A18.1
D. ADAAG 2010
Rationale: ASME A18.1 sets safety standards for platform lifts and
stairway chairlifts in residential and commercial settings.
3. Which type of lift is most commonly used in private homes with limited
space?
A. Hydraulic elevator
B. Freight elevator
C. Platform or stair chair lift
D. Pneumatic vacuum elevator
Rationale: Platform lifts and stair chair lifts are compact and suitable for
private homes, often installed along staircases.
4. Before servicing a lift, a technician must always:
A. Remove all mechanical covers
B. Adjust the weight limit settings
C. De-energize the lift and lock out power sources
D. Lubricate moving parts immediately
Rationale: De-energizing and using lockout/tagout procedures prevent
accidental activation and ensure technician safety.
5. The primary difference between hydraulic and screw-driven lifts is:
A. Color options
B. Electrical requirements
C. Mechanism used for vertical movement
,D. Load capacity
Rationale: Hydraulic lifts use fluid pressure, while screw-driven lifts rely on
mechanical screw rotation to move the platform.
6. Which component prevents the lift from moving if the gate or door is
open?
A. Control relay
B. Interlock switch
C. Drive motor
D. Limit switch
Rationale: Interlock switches ensure the lift cannot operate unless safety
doors or gates are properly closed.
7. Which maintenance task is critical to prevent hydraulic leaks in a lift?
A. Painting the lift
B. Inspecting and replacing hydraulic fluid and seals
C. Tightening screws on the platform
D. Cleaning the lift exterior
Rationale: Regular inspection and maintenance of hydraulic components
prevent leaks that could cause malfunction or safety hazards.
8. What is the recommended maximum incline for a residential stair lift?
A. 25 degrees
B. 35 degrees
C. 45 degrees
D. 60 degrees
, Rationale: ASME A18.1 standards recommend a maximum incline of 35
degrees to ensure safe operation and comfort.
9. What type of power source is typically used for residential platform
lifts?
A. Solar
B. Pneumatic
C. 110–120V AC household electrical supply
D. Diesel
Rationale: Most residential lifts are designed to operate using standard
household electrical circuits.
10. Which of the following is a common safety feature for preventing lift
overtravel?
A. Brake override
B. Weight sensors
C. Limit switches
D. Emergency lights
Rationale: Limit switches detect the top or bottom travel limits and stop
the lift to prevent overtravel.
11. How often should residential lifts typically undergo preventative
maintenance?
A. Every 5 years
B. Only after a breakdown
C. Every 6–12 months