Exam Practice Test Questions And Correct

NAEC CET – Certified Elevator Technician Exam Practice Test Questions And Correct Answers (Verified Answers) Plus Rationales 2026 Q&A | Instant Download Pdf

• What is the primary purpose of the governor in a traction elevator?
• To prevent overspeed of the motor
• To regulate door closing force
• To activate the safety gear during overspeed
• To stabilize ride comfort

Rationale: The governor triggers the safety gear when the car exceeds its

rated speed, ensuring passenger safety.

• What is the function of the elevator hoistway?
• To house all electrical panels
• To provide the vertical passage for the elevator car and counterweight
• To connect machine room to pit
• To support guide rails only 1 / 4

Rationale: The hoistway encloses the elevator car, counterweight, and

guide rails within a vertical shaft.

• Which component connects the traction machine to the elevator car?
• Car sling
• Governor rope
• Hoist ropes
• Compensating chain

Rationale: Hoist ropes are wound over the drive sheave and support and

move the elevator car.

• What type of current do most modern VVVF elevator drives use?
• Single-phase DC
• High-frequency AC
• Three-phase AC
• Split-phase AC

Rationale: VVVF drives typically use three-phase AC for efficient motor

control.

5. The main line disconnect switch must be located:

• Inside the elevator car
• At the lobby near the call station
• Within sight of the elevator control equipment
• On the roof of the building 2 / 4

Rationale: Code requires the disconnect to be in clear view of the elevator

control panels for safety.

6. Buffers located in the pit are designed to:

• Slow the counterweight only
• Prevent rail deflection
• Absorb impact if the car or counterweight descends too far
• Maintain oil level in machinery

Rationale: Buffers cushion the car or counterweight in case of overtravel.

• What device monitors the elevator car position for dispatching?
• Governor
• Door lock
• Encoder
• Relay coil

Rationale: Encoders provide position feedback to the control system.

• Which material is commonly used for elevator guide rails?
• Aluminum
• Copper
• Steel
• Bronze

Rationale: Steel provides strength and rigidity for guiding elevator cars.

• Hydraulic elevators use which fluid for operation? 3 / 4

• Water
• Hydraulic oil
• Synthetic grease
• Silicone paste

Rationale: Hydraulic systems rely on pressurized hydraulic oil to raise and

lower the car.

• What is the primary purpose of the pit ladder?
• Decoration
• Safe access for personnel
• Rope tensioning
• Emergency braking

Rationale: Ladders allow technicians safe entry to and exit from the pit.

11. The car top inspection station allows:

• Passengers to use emergency stop
• Cars to move at contract speed
• Safe, slow-speed movement for maintenance
• Activation of fire service

Rationale: Inspection mode gives technicians controlled movement at slow

speed.

12. The door restrictor prevents:

• / 4