Chennai Radha Engineering Works Electrical Technician Interview Questions and Answers

Electrician test and all questions

Q1. 2 way wairing And all electrical work
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Q2. 2 way and light and wairing and Earth and all
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Q3. Electrical all questions
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Q1. Plc working and shefty
Ans. When the power goes off the machine switches off automatically.this requires you restart the machine, when the power is back
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Q2. Electrical VPR Settings
Ans. Electrical panel is provided with VPR for protection during under voltage and over voltage . This voltage protection relay is characterized by its trip interval of 0.2to 10 second.
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Q3. Electrical panel with braking system
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An electrical panel with a braking system is a safety feature that automatically stops the flow of electricity in case of an emergency or malfunction.
• The braking system in an electrical panel is designed to prevent electrical accidents and protect both people and equipment.

• It works by detecting abnormal conditions such as short circuits, overloads, or ground faults, and immediately cutting off the power supply.

• This hel...read more
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Q1. What is CB operation and use?
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CB operation and use refers to the operation and use of circuit breakers in electrical systems.
• CBs are used to protect electrical systems from overloads and short circuits.

• They work by interrupting the flow of current when a fault is detected.

• CBs can be manually or automatically operated.

• They come in different types, such as air, oil, vacuum, and SF6 CBs.

• CBs are commonly used in residential, commercial, and industrial
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Q1. Why did you like doing electrical work?
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Q2. With science and technolog
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Q1. What thing are you doing to him? Amp, volt ,ohm
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Q1. Which is more deficult .AC&DC
Ans. 
AC and DC both have their own challenges, but AC is generally considered more difficult due to its changing voltage and frequency.
• AC involves constantly changing voltage and frequency, which can be more challenging to work with compared to the steady flow of DC.

• AC circuits require additional components like capacitors and inductors to manage voltage and current fluctuations.

• DC circuits are simpler to understand and tro...read more
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Q1. How many types of dg check And 4
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There are four types of DG (Diesel Generator) checks: daily, weekly, monthly, and annual.
• Daily check involves inspecting fuel levels, oil levels, coolant levels, and battery condition.

• Weekly check includes checking for any leaks, testing the battery, and verifying the operation of safety features.

• Monthly check involves cleaning the air filter, checking the exhaust system, and testing the automatic transfer switch.

• Annua...read more
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Q2. How many types of sencer And 5
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There are many types of sensors used in electrical systems, including temperature sensors, pressure sensors, proximity sensors, etc.
• Temperature sensors

• Pressure sensors

• Proximity sensors

• Motion sensors

• Light sensors
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Q1. About my job roles and responsibilities
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