The Dharamsi Morarji Chemical Co. Department Head Interview Questions and Answers

Q1. HAC Classification, Basics of Safety
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Q1. Incident investigation, Basics of Safety, Leadership skills
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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 ?
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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.
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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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. Basics of instrumentation, control system, field instrumentation, job role
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Q1. Overall plant proceess, job role, manpower handling and budget
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Q1. Family background and reason for chamge
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Q1. How to find difference in Air and N2 in your plant
Ans. 
To find the difference in Air and N2 in a plant, analyze the composition and properties of each gas.
• Analyze the composition of Air (mainly nitrogen and oxygen) and N2 (pure nitrogen)

• Measure the concentration of each gas in the plant

• Consider the properties of each gas such as density, boiling point, and reactivity

• Use gas detection equipment to identify and quantify the presence of Air and N2
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Q2. Waste generation of your plant
Ans. 
Our plant generates approximately 100 tons of waste per month.
• We have implemented waste reduction strategies to minimize our environmental impact.

• We segregate waste into different categories for proper disposal and recycling.

• Regular waste audits are conducted to track and analyze our waste generation.

• Examples: paper waste, plastic waste, organic waste, hazardous waste
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Q3. Difference Between Hazop and Hira
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HAZOP focuses on identifying potential hazards in a process, while HIRA assesses risks associated with those hazards.
• HAZOP stands for Hazard and Operability Study, which is a structured technique used to identify potential hazards in a process plant.

• HIRA stands for Hazard Identification and Risk Assessment, which involves assessing the risks associated with identified hazards.

• HAZOP is more focused on identifying specif...read more
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