Maharashtra Seamless Electrical Engineer Interview Questions, Process, and Tips

Q1. Introduction about Myself
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Q1. Technical questions
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Q1. Related your experience and working areas
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Q1. Industrial safety
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Q1. Question asking from synchronisation process.
Ans. First off all wait for TG rated speed =check ready for excitation in avr panel=press excitation on button in avr panel=select breaker for synchronisation=select sync. on=select synchronisation mode in manual= adjust voltage and frequency= select synchronisation in auto mode
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Q1. A 22 kw AOP motor CT cable burn again and again what is the reason ?
Ans. 
The repeated burning of a 22 kW AOP motor CT cable may be due to overloading, short circuits, poor insulation, or incorrect cable sizing.
• Check for overloading of the motor causing excessive heat in the cable

• Inspect for short circuits in the motor or the wiring

• Ensure proper insulation of the cable to prevent overheating

• Verify if the cable size is appropriate for the motor's power requirements
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Q2. When CT of AOP motor is bypassed then what effect on the motor ?
Ans. 
Bypassing the CT of an AOP motor can lead to overcurrent and damage to the motor.
• Bypassing the CT can result in the motor drawing excessive current.

• This can lead to overheating of the motor windings.

• Overcurrent can cause damage to the motor components.

• It can also pose a safety risk due to potential electrical faults.
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Q1. What is the synchronisation process of plant ?
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Synchronisation process of a plant involves matching the frequency, voltage, and phase angle of the incoming generator with the grid.
• Ensure the generator frequency matches the grid frequency (50Hz or 60Hz).

• Match the voltage levels of the generator with the grid.

• Adjust the phase angle of the generator to synchronize with the grid.

• Use synchronizing equipment like synchroscope or synchronizing lamps to ensure proper synch...read more
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Q2. Brief discussion about alternator and transformer protection system ?
Ans. 
Alternator and transformer protection systems are essential for preventing damage and ensuring safe operation.
• Alternator protection systems typically include overcurrent, overvoltage, and reverse power protection to safeguard the alternator from damage.

• Transformer protection systems often involve differential protection, overcurrent protection, and temperature monitoring to prevent overheating and insulation breakdown.

• ...read more
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Q1. From generation
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Q1. Generation transformers transmission
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Q1. Related Question from electrical
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Pawan kumar sir Quality head

Sandeep Singh plant head

Q1. Quality engineer
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Q2. Quality information
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Q3. Incoming quality
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Q4. Layout information
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Q5. Sample information
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