Otis Elevator Construction Engineer Interview Questions, Process, and Tips

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Q1. What is an elevator
Ans. 
An elevator is a vertical transportation device used to move people or goods between floors in a building.
• Consists of a cab or platform that moves along a track within a shaft

• Powered by an electric motor

• Equipped with safety features such as emergency brakes and sensors

• Common types include hydraulic, traction, and machine-room-less elevators
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Q2. Explain the drive usage
Ans. 
Drive usage refers to the amount of space being utilized on a storage drive.
• Drive usage can be monitored through the operating system or specialized software tools.

• It is important to regularly check drive usage to prevent running out of storage space.

• Examples of drive usage include storing files, installing programs, and saving data.
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Q3. What is purpose ofSMPS
Ans. 
SMPS stands for Switched Mode Power Supply, used to convert electrical power efficiently.
• Converts AC to DC power

• Provides stable output voltage

• Efficiently regulates power flow

• Used in electronic devices like computers, TVs, and LED lights
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Q4. Explain the escalator step sag switchusage
Ans. 
The escalator step sag switch is a safety device that detects when a step is sagging and triggers an alarm or stops the escalator.
• Escalator step sag switch is a safety feature to prevent accidents.

• It detects when a step is sagging due to wear and tear or excessive weight.

• Once sagging is detected, the switch triggers an alarm or stops the escalator to prevent further damage or accidents.
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