Practice Test Geeks(CET) Certified Elevator Technician Practice Test
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Modernization & Upgrades 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 Modernization & Upgrades flashcards as text

  1. During a traction elevator modernization, the new controller requires a separate equipment grounding conductor. Why is this important?

    Answer: To provide a low-impedance fault return path and protect sensitive electronics from noise

    A dedicated equipment grounding conductor ensures a low-impedance path for fault currents and reduces electrical noise that can disrupt microprocessor-based controls.

  2. When a modernization adds car-top inspection operation, what safety circuit interlock must be verified before commissioning?

    Answer: The car-top inspection switch must disable normal and firefighters' service operation when activated

    ASME A17.1 requires the car-top inspection switch to override normal operation and limit speed to inspection speed, preventing uncontrolled movement while technicians work on top.

  3. An elevator modernization proposal includes replacing the existing 2:1 roping arrangement with a 1:1 arrangement. What is the most significant implication of this change?

    Answer: The rope speed increases relative to car speed, requiring a new motor and sheave sized for the changed rope speed

    Changing from 2:1 to 1:1 roping doubles rope speed relative to car speed, requiring the motor, sheave, and governor to be resized accordingly.

  4. What documentation must an elevator contractor provide to the AHJ upon completion of a modernization?

    Answer: A permit, as-built wiring diagrams, and a certificate of compliance or inspection

    ASME A17.1 and most jurisdictions require updated as-built drawings, a closed permit, and an inspection certificate before returning the elevator to normal service.

  5. A modernization project replaces the existing mechanical door interlocks with electromechanical interlocks. What test must be performed on each landing door after installation?

    Answer: A door interlock continuity and mechanical locking test per ASME A17.1 Rule 8.6

    Each electromechanical interlock must be tested to confirm both the electrical circuit opens before the mechanical lock releases and the door cannot be opened from the landing without an unlocking device.

  6. What is the primary purpose of adding a car position indicator (CPI) during an elevator modernization?

    Answer: To provide passengers with real-time floor position information, improving user experience and code compliance

    CPIs inform passengers of the car's current floor location and direction, meeting modern accessibility and user experience standards often required by updated codes.

  7. When an existing hydraulic elevator's muffler is replaced during modernization, what is the main reason for this replacement?

    Answer: To reduce hydraulic fluid pulsation noise transmitted through the piping and structure

    Mufflers dampen pressure pulsations generated by the pump, reducing vibration and noise transmitted into the building structure and occupant spaces.