Practice Test Geeks(CET) Certified Elevator Technician Practice Test
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Maintenance, Inspection & Troubleshooting Flashcards

7 cards from real CET practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Maintenance, Inspection & Troubleshooting flashcards as text

  1. A traction elevator's guide rails show excessive rust pitting. What is the PRIMARY concern with this condition?

    Answer: Impaired safety engagement and car ride quality

    Pitted rails can prevent the safety device from gripping uniformly, compromising emergency stopping performance and causing rough car movement.

  2. What does a negative or reverse phase relay protect against in an elevator system?

    Answer: Incorrect motor rotation due to swapped power phases

    A reverse phase relay detects incorrect phase sequence and prevents the motor from running in the wrong direction, which could cause the car to travel opposite the commanded direction.

  3. When performing a governor rope inspection, a technician finds broken wires in one strand. Per ASME A17.1, the rope must be replaced if broken wires exceed:

    Answer: 5% of the total wires in any rope lay

    ASME A17.1 requires governor rope replacement when broken wires exceed the code-specified threshold, commonly 5% of total wires in one rope lay.

  4. An elevator's door operator motor runs but the doors do not move. The MOST likely cause is:

    Answer: Broken or slipped door drive belt or chain

    If the motor runs without moving the doors, the mechanical coupling (belt, chain, or coupler) between the motor and door mechanism has failed.

  5. A car position indicator shows the car at floor 4, but the car is physically between floors 3 and 4. This indicates a fault in the:

    Answer: Position reference system or selector

    A mismatch between displayed and actual position points to a fault in the position reference system, such as a missed vane, selector, or encoder pulse.

  6. During an annual inspection, the inspector asks for a 'buffer test' on an electric elevator. What speed must the car be traveling when it contacts the oil buffer?

    Answer: 115% of contract speed

    ASME A17.1 requires the buffer test to be performed with the car traveling at 115% of rated speed to verify proper buffer stroke and energy absorption.

  7. Which maintenance task helps prevent 'roping' wear patterns on traction sheaves?

    Answer: Rotating ropes end-for-end at prescribed intervals

    Rotating ropes end-for-end distributes wear evenly along the rope length, extending rope life and preventing concentrated groove wear on the sheave.