NMDC Limited Junior Engineer Interview Questions, Process, and Tips

Q1. Why are you choose electrical maintenance and Automation
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Q1. All bout current job description.
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Q2. Details about structural design and its analysis.
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Q1. Not that much to share they just ask the day to day challenge handling and process of purchasing a material...
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Q2. How many mails do you handle
Ans. 
I handle approximately 50-100 emails per day in my current role as a Senior Engineer.
• I prioritize emails based on urgency and importance

• I respond to emails promptly to ensure efficient communication

• I organize emails into folders for easy access and reference
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Q1. Same as it is before...
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Basic aptitude test with time limit

Q1. Basically questions about the trade about you are working or knowledge of job and experience , the job in the field of interest is very important
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Q2. Ask about educational qualification and any achievements
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Q1. Basics about your self
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Q1. Regarding your experience and related questions
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Q1. Bolt grades for different bolts
Ans. 
Different bolt grades are used for various applications based on their strength and durability.
• Bolt grades are typically indicated by numbers or letters, such as Grade 2, Grade 5, Grade 8, etc.

• Higher grade bolts have higher strength and are used in applications where greater load-bearing capacity is required.

• Common grades include Grade 2, Grade 5, Grade 8, and stainless steel bolts.

• Each grade has specific properties an...read more
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Q1. About machine design, motors,gearbox ratio, output, earlier work done
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Q1. Salary negotiations
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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
Ans. 
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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