Rolex Rings Electrical Technician Interview Questions and Answers

Q1. Vlsi designing and connecting wiring
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Q2. Working of lighting semiconductors
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Lighting semiconductors are electronic devices that emit light when an electric current is passed through them.
• Lighting semiconductors are commonly used in LED lights.

• They are made of materials such as gallium arsenide, gallium nitride, and silicon carbide.

• When an electric current is passed through the semiconductor, it excites the electrons and causes them to emit photons.

• The color of the light emitted depends on the ...read more
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Q1. Machine operator
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Q1. Comprssor & Dg Electrical
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Q2. Air Comprssor working
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Q1. Utility maintenance technician
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Q2. Technical and electronics
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Q3. Camera relative work
Ans. 
Camera relative work refers to tasks that are performed in relation to camera systems.
• Camera installation and maintenance

• Monitoring and troubleshooting camera systems

• Adjusting camera angles and settings

• Coordinating with security personnel to ensure proper camera coverage

• Reviewing camera footage for security or operational purposes
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Should be good in basics of mathematics, science and electrical.

Q1. Why you want to join company.
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Q1. Dol stater why use
Ans. 
DOL starter is used to control the starting and stopping of the motor in a direct online manner.
• DOL starter provides full voltage to the motor during starting, ensuring quick acceleration.

• It protects the motor from damage by providing overload protection.

• It simplifies the wiring and installation process for the motor.

• Commonly used in applications where the motor load is constant and does not require speed control.
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Q2. Star delta stater why use
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Star delta starter is used to reduce starting current and torque in induction motors.
• Reduces starting current by starting the motor in star configuration and then switching to delta configuration

• Reduces starting torque to prevent mechanical stress on the motor and connected equipment

• Commonly used for high-power induction motors in industrial applications

• Improves efficiency and prolongs the lifespan of the motor
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Q3. DG check ing system
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Q4. Ibh oparating system
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Time and distance