Lumax Industries Electrical Maintenance Engineer Interview Questions and Answers for Experienced

Q1. As per your resume and experience
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Q2. Tyre industries Prosses and its related
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Q3. Basic knowledge of plc and scads system
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Q1. What is a synchronisation panel for DG?
Ans. 
A synchronisation panel for DG is used to synchronize multiple generators to ensure they are running in parallel and sharing the load evenly.
• Synchronisation panels are used in situations where multiple diesel generators need to be connected in parallel to supply power to a common bus.

• The panel monitors the frequency, voltage, and phase angle of each generator and ensures they are synchronized before connecting them to ...read more
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Q2. What is Pulse width in laser ?
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Pulse width in laser refers to the duration of time that a laser beam is emitted.
• Pulse width is measured in seconds or milliseconds.

• It determines the amount of energy delivered by the laser beam.

• Shorter pulse widths are often used for precision cutting or welding.

• Longer pulse widths are used for applications like material processing or drilling.
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Q3. What is BDV of Transformer oil?
Ans. 
BDV stands for Breakdown Voltage. It is a measure of the dielectric strength of transformer oil.
• BDV is the voltage at which the insulation between two conductors breaks down.

• It is an important parameter to determine the quality of transformer oil.

• BDV is usually measured in kilovolts (kV).

• Higher BDV indicates better quality and higher dielectric strength of the oil.
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Q4. How RTCC panel works?
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RTCC panel stands for Remote Tap Changing Control panel, used in power transformers to automatically adjust the voltage ratio.
• RTCC panel monitors the load and voltage levels of the transformer.

• It automatically adjusts the tap changer to maintain the desired voltage ratio.

• RTCC panel can be programmed to operate based on specific parameters like load current, temperature, etc.

• It helps in optimizing the transformer perfor...read more
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Q1. About background , why you leave from previous company, why you want to join our company.
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Simple maths questions which were the simple formula based.

Q1. Just introduction and 1 -2 technical questions
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Q2. Tell me about yourself What is motor & generator
Ans. 
Motors and generators are electrical machines that convert electrical energy into mechanical energy and vice versa.
• A motor is a device that converts electrical energy into mechanical energy to produce motion. It works on the principle of electromagnetic induction.

• A generator is a device that converts mechanical energy into electrical energy. It works on the principle of Faraday's law of electromagnetic induction.

• Motors...read more
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Q1. I AM HARD WORKER FOR MANTINANCE BRACKDOWN
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Q2. Iam work for Technician
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Q3. I am work experience 3 .5 years for mantinance
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