Certified Escalator Maintenance Technician Exam
COMPLETE QUESTIONS AND CORRECT ANSWERS
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Certified Escalator Maintenance Technician Exam
This comprehensive practice examination covers all key areas of escalator maintenance and repair,
based on industry standards including ASME A17.1/CSA B44 and the NAEC CET/EMT certification
curriculum . These questions focus specifically on escalator systems, components, maintenance
procedures, troubleshooting, and safety regulations.
Section 1: Escalator Mechanical Components and Systems
1. What is the primary function of an escalator step chain?
A) Control the lighting system
B) Drive and synchronize step movement
C) Provide handrail tension
D) Reduce electrical load
Answer: B
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Rationale: The step chain ensures all steps move in a continuous loop at synchronized speed for safe
passenger transport .
2. Which component engages with the step chain to move the steps?
A) Comb plate
B) Handrail
C) Step rollers and sprockets
D) Skirt panel
Answer: C
Rationale: Sprockets and rollers transfer motion from the drive system to the steps .
3. What is the purpose of the comb plate on an escalator?
A) Support the motor
B) Guide passengers onto and off the steps safely
C) Lubricate steps
D) Control speed
Answer: B
Rationale: The comb plate reduces gaps and helps prevent debris entry and passenger tripping .
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4. What is a typical escalator incline angle?
A) 5 degrees
B) 30–35 degrees
C) 60 degrees
D) 90 degrees
Answer: B
Rationale: This angle balances safety and space efficiency .
5. What is step pitch?
A) Motor power rating
B) Distance between consecutive steps
C) Handrail length
D) Brake force measurement
Answer: B
Rationale: Step pitch ensures uniform step spacing .
6. What is the function of step risers in escalator construction?
A) Lighting control
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B) Vertical part of escalator step structure
C) Motor cooling
D) Brake control
Answer: B
Rationale: Risers form the vertical component of step geometry .
7. What is the purpose of escalator balustrades?
A) Increase speed
B) Protect passengers and house moving components
C) Power motor
D) Reduce noise
Answer: B
Rationale: Balustrades provide structural and safety enclosure .
8. What is the function of the return station?
A) Power generation
B) Redirect steps back into the system loop
C) Increase friction