Oriental Carbon & Chemicals Executive Engineer Electrical Interview Questions, Process, and Tips

Q1. Process of carbon black
Ans. 
Carbon black is a fine black powder used as a pigment and reinforcing agent in rubber and plastic products.
• Carbon black is produced by incomplete combustion of heavy petroleum products.

• It is used in tires, ink, paint, and various other products for its coloring and reinforcing properties.

• The process involves burning hydrocarbons in a limited air supply to produce carbon black particles.

• The particles are then collected ...read more
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Q2. Previous plant related questions
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Q3. Soda ash process
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General questions are comes in the test not difficult type

Q1. They ask core related questions in this topic
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Q2. What is vfd? What is softstarter? How the synchronization is done?
Ans. 
VFD is a variable frequency drive used to control the speed of an electric motor. Softstarter is a device used to reduce the starting current of a motor. Synchronization is the process of matching the speed and phase of two or more motors.
• VFD is used to save energy and reduce wear and tear on motors by controlling the speed of the motor.

• Softstarter is used to reduce the starting current of a motor, which can help preve...read more
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Q1. Why you want to join pcbl?
Ans. 
I want to join PCBL because of its strong reputation in the industry and its commitment to innovation and growth.
• PCBL has a strong reputation in the industry, which would provide me with valuable experience and opportunities for growth.

• I am impressed by PCBL's commitment to innovation and its focus on staying ahead of industry trends.

• PCBL's company culture aligns with my values and I believe I would thrive in such an e...read more
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Q1. How many tubes are there in APH
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Q2. How you change oil pump?
Ans. 
To change an oil pump, you need to drain the oil, remove the old pump, install the new pump, and refill with fresh oil.
• Drain the oil from the engine

• Remove the old oil pump

• Install the new oil pump

• Refill the engine with fresh oil
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Q1. Process,technical round
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Q1. One on one, non technical
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About Work Culture and how is wfh affecting people

Duration of the aptitude test was around 30 mins

Q1. I would not like to
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Q1. What Is GMAW ?
Ans. 
GMAW stands for Gas Metal Arc Welding, a welding process that uses a continuous solid wire electrode and shielding gas to create a weld.
• Uses a continuous solid wire electrode

• Requires a shielding gas to protect the weld from atmospheric contamination

• Commonly used in industries like automotive, construction, and manufacturing
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Q2. What are different between MIG & MAG ?
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MIG stands for Metal Inert Gas welding, while MAG stands for Metal Active Gas welding. The main difference lies in the type of shielding gas used.
• MIG welding uses inert gases like argon or helium to shield the weld pool from atmospheric contamination, while MAG welding uses active gases like carbon dioxide or a mixture of gases.

• MIG welding is typically used for non-ferrous metals like aluminum, while MAG welding is mor...read more
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Q3. What is WPS Procee ?
Ans. 
WPS Procee is a welding procedure specification that outlines the details of a specific welding process.
• WPS Procee includes information such as welding materials, welding parameters, preheat and post-weld heat treatment requirements.

• It is essential for ensuring consistency and quality in welding operations.

• WPS Procee is often required in industries such as construction, manufacturing, and oil & gas.

• Example: A WPS Proce...read more
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Q4. What is PQR Process ?
Ans. 
PQR Process is a procedure used in welding to qualify the welding procedure specification.
• PQR stands for Procedure Qualification Record.

• It involves testing and documenting the variables used during the welding process.

• The purpose is to ensure that the welding procedure will produce the desired quality of welds.

• PQR Process is essential for ensuring the integrity and strength of welded joints.

• Examples of variables tested...read more
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Q1. Tell about yourself.
Ans. 
Experienced Senior Engineer with a strong background in software development and project management.
• Over 10 years of experience in software engineering

• Proficient in multiple programming languages such as Java, Python, and C++

• Led successful projects from conception to completion, resulting in increased efficiency and cost savings

• Strong problem-solving skills and ability to work well in a team environment
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Q2. Why you want to switch your job .
Ans. 
Seeking new challenges and opportunities for growth.
• Looking for a new environment to learn and develop new skills.

• Interested in working on different projects to broaden my experience.

• Seeking a company with better career advancement opportunities.

• Want to explore new technologies and methodologies in the industry.
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