Hindustan Zinc Graduate Trainee Interview Questions and Answers

Q1. What is casting
Ans. 
Casting is the process of creating objects by pouring a liquid material into a mold and allowing it to harden.
• Casting involves pouring a material such as metal, plastic, or concrete into a mold

• The material then hardens and takes the shape of the mold

• Common examples of casting include metal casting for manufacturing parts and concrete casting for construction projects
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Q2. What is the difference between drilling and boring
Ans. 
Drilling is the process of creating a hole using a rotating cutting tool, while boring is the process of enlarging an existing hole.
• Drilling is typically used to create holes in materials, while boring is used to enlarge existing holes.

• Drilling is usually done with a drill bit, while boring is done with a boring tool.

• Drilling is often used in construction and manufacturing, while boring is commonly used in machining pr...read more
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Q1. DM water parameter . Cold startup Coal analysis.
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Q1. Introduction, Carriers objective, previous employers details, work experience, Share documents for verification
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Q2. Current Salary, Expected salary, Job title offered,
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Q3. Notice period, joining date,
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Technical questions related job titles and experiences and job role

Q1. Previous company reporting officers details
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Q1. How PF can be corrected
Ans. 
PF can be corrected by updating the details in the PF portal and submitting necessary documents.
• Update personal details in the PF portal

• Submit required documents for correction

• Contact HR or PF department for assistance
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Q2. Explain different Energy saving procedures
Ans. 
Energy saving procedures include optimizing lighting, HVAC systems, and equipment usage.
• Implement energy-efficient lighting such as LED bulbs

• Regularly maintain and tune HVAC systems for optimal performance

• Use programmable thermostats to control heating and cooling

• Turn off equipment when not in use to reduce standby power consumption
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Q1. Explain TPM procedures
Ans. 
TPM procedures refer to Total Productive Maintenance practices aimed at maximizing equipment effectiveness and minimizing downtime.
• TPM involves proactive maintenance to prevent breakdowns

• Focuses on improving overall equipment efficiency

• Involves training employees on equipment maintenance

• Includes regular inspections and cleaning schedules

• Utilizes tools like OEE (Overall Equipment Effectiveness) to measure performance
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Q2. How can you identify the criticality of machines? How do you categorise them?
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Criticality of machines can be identified based on their impact on production, safety, and downtime. They can be categorized as critical, essential, or non-essential.
• Identify machines critical to production processes, where failure can lead to significant downtime or loss of revenue.

• Consider machines critical to safety, where failure can pose a risk to employees or the environment.

• Categorize machines as critical, essen...read more
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Q1. Why are you planning to change your current organization?
Ans. 
Seeking new challenges and opportunities for professional growth.
• Looking for new challenges and opportunities to learn and grow

• Desire for career advancement and development

• Seeking a more supportive work environment or better company culture
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Q2. Where will you find yourself in a about five years from now?
Ans. 
In about five years, I see myself leading a team of engineers, implementing innovative solutions, and contributing to the growth of the organization.
• Leading a team of engineers in executing projects

• Implementing innovative solutions to improve efficiency and quality

• Contributing to the growth and success of the organization

• Continuing professional development and learning new technologies
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