Bharat Coking Coal Apprentice Electrician Interview Questions and Answers

Q1. Plc and scada analog Electronics
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Q2. Transmission and destitution
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Q3. Electrical machine
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Q4. Basic of Electrical engineering
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Q5. Digital electronics
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Q6. Electrical instrument and measurement
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Q1. What is your last job
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Q2. What is your previous company responsibility
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Q3. What about safety
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Q1. Department related
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Behaviour related, work experience, general industrial safety knowledge.

Q1. What is a transformer?
Ans. 
A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.
• Transformers are used to increase or decrease voltage levels in electrical circuits.

• They consist of two coils of wire, known as the primary and secondary coils, wrapped around a core made of iron or other magnetic materials.

• Step-up transformers increase voltage levels, while step-down tr...read more
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Q2. What is Tan Delta testing?
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Tan Delta testing is a diagnostic test used to measure the insulation quality of electrical equipment.
• Tan Delta testing measures the power factor of insulation materials to detect any defects or deterioration.

• It helps in identifying potential issues before they lead to equipment failure or breakdown.

• The test involves applying a voltage to the insulation and measuring the current flowing through it.

• Results are compared ...read more
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Q3. What is CT and how does it work?
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Q4. Do you have experience working in a switch yard?
Ans. 
Yes, I have experience working in a switch yard.
• I have worked in a switch yard for 3 years, performing maintenance and repairs on various electrical equipment.

• I am familiar with the safety protocols and procedures required in a switch yard environment.

• I have experience troubleshooting and resolving issues with switch yard equipment, such as transformers and circuit breakers.
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Q5. What is a merger and how does it work?
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A merger is when two companies combine to form a new entity, typically to increase market share or efficiency.
• A merger involves two companies agreeing to join forces and operate as a single entity.

• The goal of a merger is often to increase market share, expand into new markets, or achieve cost savings through economies of scale.

• There are different types of mergers, such as horizontal mergers (between competitors in the ...read more
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Q6. Do you have experience with testing transformers?
Ans. 
Yes, I have experience testing transformers in various settings.
• I have experience testing transformers in industrial settings to ensure proper functioning.

• I am familiar with using multimeters and other testing equipment to check for voltage, current, and resistance.

• I have tested transformers for efficiency and performance, identifying any issues and making necessary repairs.

• I have also conducted routine maintenance che...read more
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Q7. What is the function of an isolator in electrical work?
Ans. 
An isolator is a device used to disconnect a circuit from the power supply, ensuring the safety of personnel working on the circuit.
• An isolator is used to physically disconnect a circuit from the power supply, allowing maintenance work to be carried out safely.

• It is often used in conjunction with a lockout/tagout system to prevent accidental re-energization of the circuit.

• Isolators are commonly found in electrical pane...read more
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Q1. AC,DC Cable laying
Ans. Manpower handling at site on daily basis.
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Q2. Module InstallationWork
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Q3. Ac Dc Trench Excavation.
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Q4.  String Inter Connection & Rectification Work
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Q5. Supervision on field activity& overall activity of maintenance andmaking all schedule of daily activity
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Q6. Coordinate with site teams for smooth operation of site activities.
Ans. 
Coordinate with site teams to ensure smooth operation of site activities.
• Regular communication with site teams to understand their needs and challenges

• Provide necessary support and resources to site teams

• Address any issues or conflicts that may arise among site teams

• Ensure all site activities are aligned with project timelines and goals
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Physics,chem,math,quantitative apti.. etc

Q1. Can you work with team
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Q2. What is elctrolysis,what do you know how we can prepare aluminium
Ans. 
Electrolysis is a process of breaking down a compound using electricity. Aluminium can be prepared by electrolysis of alumina.
• Electrolysis involves passing an electric current through a compound to break it down into its constituent elements.

• Aluminium is prepared by electrolysis of alumina (Al2O3) dissolved in molten cryolite (Na3AlF6).

• The process involves the use of carbon electrodes, which react with the oxygen relea...read more
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Q3. Can you work at a temp 50 degree
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