Cummins Production DET Interview Questions and Answers

Q1. What is jig brief
Ans. 
A jig brief is a document that outlines the specifications and requirements for creating a jig, which is a tool used in manufacturing to guide the placement of parts.
• Describes the dimensions, materials, and tolerances for the jig

• Includes instructions on how to use the jig effectively

• May contain diagrams or drawings for reference
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Q2. What is fixture
Ans. 
A fixture is a device used to securely hold and position a workpiece during a manufacturing operation.
• Fixtures are commonly used in machining operations to ensure accurate and repeatable positioning of the workpiece.

• They are designed to be rigid and stable to prevent movement during machining.

• Examples of fixtures include vices, clamps, jigs, and chucks.

• Fixtures can be custom-made for specific parts or standardized for
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Q3. What is grinding
Ans. 
Grinding is a manufacturing process that involves removing material from a workpiece using an abrasive wheel.
• Grinding is a machining process used to finish surfaces or create shapes with high precision.

• It is commonly used in metalworking, woodworking, and other industries.

• Examples of grinding operations include surface grinding, cylindrical grinding, and centerless grinding.
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Q4. What is case hardening
Ans. 
Case hardening is a heat treatment process used to increase the hardness of the surface of a metal while maintaining a tough and ductile core.
• Involves heating the metal to a specific temperature and then quenching it in a substance like water, oil, or salt to create a hardened outer layer

• Commonly used in manufacturing to improve the wear resistance of components like gears, shafts, and tools

• Examples include carburizing
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Q5. Why you want to join us
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We were given a topic ( renewable v/s non renewable energy) , two minutes were given for thinking. .. everyone started racing .. i wanted to settle down and speak after one or two people are done.. and tried not to rush ... But everyone started talking simultaneously.. everytime I tried to speak someone else started ..

So one or two times i interrupted and said.." our voices are overlapping , lets just speak one at a time"..it worked for some time but ultimately that race continued so i also spoke a Little bit in the favour of renewable ( overlapping initially ,, but later on he/she stopped) .. that's it

1. Dont be rude 

2. Mind that its a GD and not a debate

3. Be respectful and humble

4. Give others a chance to speak if you think someone is not able to .. ( by calling out their names..if you remember..

First round was of aptitude plus java questions

Q1. Basic js questions : diff betn == and ===, let, var,const etc
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Q2. Coding problem related to array
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Quantitative Aptitude, Numerical Ability, Synonym etc

Q1. Introduce yourself Where you did Training? What was your academic project? Guide? What do you like? Tractor or Implement? What is your aim?
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