Calderys India Refractories Production Officer Interview Questions and Answers

Q1. What is refractories
Ans. 
Refractories are materials that can withstand high temperatures and are used in furnaces, kilns, and other high-temperature applications.
• Refractories are made from materials such as clay, silica, alumina, and magnesia.

• They are used to line furnaces, kilns, and other high-temperature equipment to protect them from heat and corrosion.

• Refractories are classified based on their chemical composition, physical properties, an...read more
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Q2. How many types refractories
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There are three types of refractories: acidic, basic, and neutral.
• Refractories are materials that can withstand high temperatures and are used in furnaces, kilns, and other high-temperature applications.

• Acidic refractories are made of materials like silica and alumina and are used in acidic environments.

• Basic refractories are made of materials like magnesia and dolomite and are used in basic environments.

• Neutral refrac...read more
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Q1. Basic technical questions about planning and procurement.
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Q1. About the previous job role, previous company and some numerical aptitudes.
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Q1. This was the final round, u can think this as the summary of all the round and some extra technical as well as some management questions about the similar field you have applied for.
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Q1. Process industry
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Q2. Continue production
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Q3. Defect elimination
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Q1. High professional questionary
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Q2. More related to IR
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Q3. Explained about company profile
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Q4. Very open question
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Q1. Say something about press filter
Ans. 
Press filter is a device used for separating solids from liquids.
• It works by applying pressure to the mixture to force the liquid through a filter media while retaining the solids.

• It is commonly used in industries such as chemical, pharmaceutical, and food processing.

• Examples of press filters include belt filter press, plate and frame filter press, and rotary vacuum-drum filter.

• Press filters are efficient and cost-effe...read more
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Q2. How to maintain pressure in press filter
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To maintain pressure in press filter, ensure proper sealing, check for leaks, and adjust feed rate and pressure settings.
• Check for proper sealing of the filter plates and gaskets

• Inspect for any leaks in the system and repair them promptly

• Adjust the feed rate and pressure settings as per the manufacturer's recommendations

• Regularly clean and maintain the filter to prevent clogging and pressure drop

• Monitor the pressure ga...read more
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Q3. What is the model of hydraulic cylinder in press filter
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The model of hydraulic cylinder in press filter depends on the specific press filter being used.
• The model of hydraulic cylinder can vary depending on the size and capacity of the press filter.

• Some common models of hydraulic cylinders used in press filters include tie rod cylinders and welded cylinders.

• The specific model of hydraulic cylinder used in a press filter can be determined by consulting the manufacturer's spec...read more
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Q4. Which type bearing use in bogie wheel
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Roller bearings are commonly used in bogie wheels.
• Roller bearings are preferred over plain bearings due to their ability to handle heavy loads and reduce friction.

• Tapered roller bearings are commonly used in locomotive bogie wheels.

• Cylindrical roller bearings are also used in some bogie wheels.

• The type of bearing used depends on the specific application and load requirements.
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Q1. It was related to process knowledge. What you have done in your job profile earlier
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Q1. Cycle time Alloy grade Melting point Self induction. Etc.
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Q2. How to dross excess control?
Ans. 
Dross excess control can be achieved by implementing proper process controls and regular maintenance.
• Regularly inspect and clean equipment to prevent buildup of dross

• Implement process controls to minimize dross formation

• Train employees on proper handling and disposal of dross

• Monitor and analyze production data to identify areas for improvement

• Collaborate with suppliers to ensure quality materials with minimal dross

• Util...read more
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Q3. How to reduce rejection?
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To reduce rejection, focus on improving quality control measures and training employees.
• Implement a thorough quality control process to catch defects early on

• Train employees on proper production techniques and quality standards

• Regularly review and analyze rejection data to identify patterns and areas for improvement

• Collaborate with suppliers to ensure they are meeting quality standards

• Invest in new technology or equipm...read more
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Q4. How to fuel consumption control?
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Fuel consumption control can be achieved through proper planning, monitoring, and maintenance.
• Develop a fuel consumption plan based on historical data and projected usage

• Monitor fuel usage regularly and identify any deviations from the plan

• Implement maintenance programs to ensure vehicles and equipment are operating efficiently

• Train drivers and operators on fuel-efficient driving techniques

• Consider alternative fuel sou...read more
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Q5. How to control manpower excess?
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To control manpower excess, proper planning, forecasting, and monitoring are necessary.
• Analyze production data to determine the required workforce

• Implement flexible work arrangements like part-time or temporary employment

• Cross-train employees to perform multiple tasks

• Monitor employee attendance and productivity

• Implement a hiring freeze or reduce overtime

• Consider outsourcing or automation as alternatives

• Communicate with...read more
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Q6. How can control fuel consumption, manpower, charging time reduce and rejection controlled?
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Fuel consumption, manpower, charging time, and rejection can be controlled through proper planning and implementation of efficient processes.
• Implementing a fuel-efficient driving policy and regular maintenance of vehicles can reduce fuel consumption.

• Proper scheduling and allocation of manpower can optimize productivity and reduce unnecessary labor costs.

• Investing in fast charging technology and optimizing charging sche...read more
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Q1. As usual, it starts from 1. About urfelf 2. Technical background 3. Related to past exp 4. Related to furnace and its type. 5. Real time situation reaction text. 6. Problem solving ability 7. Evaluation...read more
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Q1. Related to past and current experience
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1. Number series
2. Coding and decoding
3. Find the odd one out
4. Statement and conclusion