Tata Cummins Junior Mechanical Engineer Interview Questions and Answers

Q1. Which bearing used in CNC spindle? And why ?
Ans. 
Angular contact ball bearings are commonly used in CNC spindles due to their ability to handle both radial and axial loads.
• Angular contact ball bearings are used in CNC spindles because they can handle both radial and axial loads efficiently.

• These bearings provide high rigidity and accuracy, which are crucial for CNC machining operations.

• The contact angle of angular contact ball bearings can be adjusted to optimize per...read more
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Q2. What is Backlash?and how to check it ?
Ans. 
Backlash is the amount of clearance or play between two mating components in a mechanical system.
• Backlash is commonly found in gear systems, where it can affect the accuracy and efficiency of the system.

• To check backlash, one can use a dial indicator to measure the amount of movement between the components when they change direction.

• Backlash can be adjusted by tightening or loosening the components to reduce the cleara...read more
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Q3. How many types of Hydraulic valve are there ? Diffenciate between pressure relief and pressure reducing valve.
Ans. 
There are various types of hydraulic valves, including pressure relief and pressure reducing valves.
• Types of hydraulic valves include directional control valves, flow control valves, pressure control valves, and check valves.

• Pressure relief valves are designed to limit the pressure within a hydraulic system by diverting excess fluid when the pressure reaches a certain level.

• Pressure reducing valves, on the other hand, ...read more
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Reasoning and assertive queries

Q1. Technical related to Quality
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Q2. How much salary expected
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Q1. Family background
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Q2. Why changing organization
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Q3. Expected salary
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Q1. Questions related to how you align with job skills & experience and evaluate your technical stuffs
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Q1. Multi Choice questions to test your technical knowledge
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Q1. Core round of interview process
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Q1. Catia/NX software
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Q1. One on one with On-site manager
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Q1. Reason for job change, etc
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Q1. Mechanical production engineer
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Q2. Navitasiya India private limited. Company
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Q1. Autoliv where are you production
Ans. 
Autoliv has production facilities in various locations worldwide.
• Autoliv has production facilities in countries like Sweden, United States, China, Mexico, and more

• They have multiple production sites to cater to global demand

• Some of their production facilities specialize in specific products such as airbags or seatbelts
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Online Michelin portal test:
Abstract Reasoning
Spatial Reasoning
Visual Reasoning
Critical Reasoning
Logical Reasoning
Numeric Ability
Data Interpretation
Verbal Ability
Decision Making
General Aptitude test
cognitive speed test
Behavioral questions
General Mechanical engineering questions

Q1. Basic understanding of physics Trigonometry Mechanical engineering knowledge automotive 3D visualisation and based special intelligence -----/
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