PCBL Chemical Limited Senior Executive Quality Analyst Interview Questions and Answers

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 ?
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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 ?
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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.
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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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Q1. About the purchase field
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Q1. Technik question about purchase
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Q1. Details about Current transformer ?please explain previous plant process ? How do you protect your Transformer ? Please explain voltage drop in cables with example?
Ans. 
Current transformers are used to measure current in high voltage circuits. Transformers are protected using fuses, circuit breakers, and surge arresters. Voltage drop in cables is caused by resistance and can be calculated using Ohm's Law.
• Current transformers are used to step down current in high voltage circuits for measurement purposes.

• Transformers are protected using fuses to prevent overcurrent situations.

• Circuit b...read more
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Q1. Reason behind previous plant leaving?
Ans. 
The previous plant left due to financial difficulties and market changes.
• Financial difficulties led to closure of previous plant

• Market changes made it unsustainable to continue operations

• Lack of profitability forced shutdown of previous plant
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Q1. Tell me Something about you
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I am a dedicated and enthusiastic Junior Engineer with a strong passion for problem-solving and learning new technologies.
• I have a Bachelor's degree in Engineering with a focus on software development.

• I have experience working on various projects during my studies, including developing a web application for a local business.

• I am proficient in programming languages such as Java, C++, and Python.

• I have strong analytical ...read more
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Q1. Explene CNC property and uses
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CNC stands for Computer Numerical Control. It is a manufacturing process that uses computerized systems to control machine tools.
• CNC allows for precise and automated control of machine tools.

• It is commonly used in industries such as automotive, aerospace, and electronics.

• CNC machines can perform a wide range of operations, including cutting, drilling, milling, and turning.

• They are capable of producing complex and intri...read more
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Q2. Whats is back lesh of gear box
Ans. 
Backlash of a gearbox refers to the amount of play or clearance between the mating teeth of gears.
• Backlash is important in gear systems as it affects the accuracy and smoothness of motion transmission.

• It is measured as the angular movement of the output gear before the input gear starts to rotate.

• Backlash can be adjusted by changing the position of gears or using anti-backlash mechanisms.

• Excessive backlash can result i...read more
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Q1. What is the machine capacity?
Ans. 
The machine capacity refers to the maximum amount of work or output that a machine can handle within a given time frame.
• Machine capacity can be measured in terms of units produced per hour, pieces processed per minute, or any other relevant metric.

• Factors that can affect machine capacity include machine speed, efficiency, maintenance, and downtime.

• For example, a CNC machine may have a capacity of producing 100 units pe...read more
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Q2. Mhe requirement
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Knowledge of chemical engineering

Q1. Tell me about yourself . Process of sulphur Process of sulphuric acid Process of cs2 Pump NpSh Heat exchanger Plate heat exchanger Shell and tube heat exchanger Reactor Furnace Multistage pump Msd...read more
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