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NMDC Limited Mechanical Engineer Interview Questions and Answers
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Interview Questionnaire
1 Question
- Q1. Lots of questions
Interview Preparation Tips
Mechanical Engineer Interview Questions & Answers
Vedanta Aluminium
RAJESH KUMAR SAHU
posted on 3 Feb 2025
Crane maintenance PM & breakdown
Interview Questionnaire
3 Questions
- Q1. What is differential?
- Ans.
Differential is a mechanical device that allows the wheels of a vehicle to rotate at different speeds.
Differential is commonly found in vehicles with multiple wheels, such as cars and trucks.
It is located in the center of the axle and connects the drive shaft to the wheels.
The main purpose of a differential is to allow the wheels to rotate at different speeds while still receiving power from the engine.
This is importan...
- Q2. What is EGR system
- Ans.
EGR system stands for Exhaust Gas Recirculation system. It is used in internal combustion engines to reduce nitrogen oxide emissions.
EGR system recirculates a portion of exhaust gases back into the engine's intake manifold.
This reduces the combustion temperature and lowers the production of nitrogen oxides.
The recirculated exhaust gases also help in reducing engine knocking and improving fuel efficiency.
EGR systems can...
- Q3. Which types gear use in I-shift automatic gearbox
- Ans.
The I-shift automatic gearbox uses helical gears and spur gears.
I-shift automatic gearbox uses helical gears for the main transmission and spur gears for the auxiliary section
Helical gears provide smoother and quieter operation compared to spur gears
Spur gears are used for the auxiliary section as they are more efficient for high torque applications
Interview Preparation Tips
Interview Questionnaire
2 Questions
- Q1. Technical Mechanical Work
- Q2. Fire Safety course complete profile
Interview Preparation Tips
Selected
I applied via Referral and was interviewed before Dec 2021. There were 2 interview rounds.
(2 Questions)
- Q1. BELT joint, alignment, bearing replacement and inspection work
- Q2. Crusher pm stackers cum reclaimer paddle FEEDER and any other pm work procedure
Interview Preparation Tips
- Belt joint
- Bearings
- Crusher
Selected
I applied via Naukri.com and was interviewed in May 2023. There were 2 interview rounds.
(2 Questions)
- Q1. About work experience ,
- Q2. Depth knowledge of the machines
Selected
I applied via Naukri.com and was interviewed before Dec 2023. There was 1 interview round.
(2 Questions)
- Q1. All bout current job description.
- Q2. Details about structural design and its analysis.
Selected
I appeared for an interview in Mar 2023.
(2 Questions)
- Q1. Not that much to share they just ask the day to day challenge handling and process of purchasing a material...
- 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
(1 Question)
- Q1. Same as it is before...
Selected
I applied via Referral and was interviewed in Jan 2023. There were 3 interview rounds.
(1 Question)
- 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...
(1 Question)
- Q1. About machine design, motors,gearbox ratio, output, earlier work done
(1 Question)
- Q1. Salary negotiations
I applied via Referral and was interviewed before May 2021. There were 3 interview rounds.
(1 Question)
- Q1. Genaral questions about pas work experience
(1 Question)
- Q1. Questions related to work were asked and personal family details were also asked
(1 Question)
- Q1. About compensation and time of joining only
Interview Preparation Tips
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NMDC Limited Mechanical Engineer Reviews and Ratings
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Rating in categories
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Executive
149
salaries
|  ₹7 L/yr - ₹14 L/yr |
|
Executive Engineer
54
salaries
| ₹6 L/yr - ₹12.2 L/yr |
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38
salaries
| ₹15.7 L/yr - ₹40 L/yr |
|
Manager
37
salaries
| ₹9.4 L/yr - ₹30 L/yr |
|
Deputy Manager
30
salaries
| ₹8 L/yr - ₹24 L/yr |
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