Rotex Senior Design Engineer Interview Questions and Answers

Q1. Quality core tools
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Q2. Customer interaction
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Q1. Knowledge about Quality tools
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Q2. Root cause analysis
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Q1. Salary discussion
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Q2. Company policy & benifits
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Q1. Production related questions
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Q2. Working flow rated questions
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Q3. Any other factory related
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Q1. Salary related questions
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Moderate level aptitude test

Q1. What was your work in previous company.
Ans. 
I was responsible for designing and developing new products for the company.
• Led a team of engineers to create innovative solutions

• Collaborated with cross-functional teams to ensure product success

• Utilized CAD software to design prototypes

• Conducted testing and analysis to validate product performance
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Q2. Types of casting and casting defects
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Types of casting include sand casting, investment casting, and die casting. Casting defects include porosity, shrinkage, and cold shuts.
• Types of casting: sand casting, investment casting, die casting

• Casting defects: porosity, shrinkage, cold shuts

• Examples: Sand casting - used for large parts like engine blocks, Investment casting - used for intricate parts like jewelry, Die casting - used for high volume production lik
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Q3. What's is the formula of Torque.
Ans. 
Torque is a measure of the force that can cause an object to rotate around an axis.
• Torque (τ) = Force (F) x Distance (r) perpendicular to the force

• The SI unit of torque is Newton-meter (Nm)

• Torque can also be calculated as Torque = Moment of Inertia x Angular Acceleration
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Q4. Selfi Introduction
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Q1. Technical knowledge about area
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Q2. English is required as fluent
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Question abou TPM, OEE, six Sigma, lean manufacturing,kaizen,poka yoke etc

Q1. No sales discuss the directly give you ofer with hike of 30-40%
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Q1. How to any products design & what is step?
Ans. 
Product design involves a series of steps to create a functional and aesthetically pleasing product.
• Understand the problem or need that the product will address

• Research existing products and technologies

• Brainstorm ideas and create sketches or prototypes

• Iterate on designs based on feedback and testing

• Finalize design for production
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Q2. How to identify root cause any new products?
Ans. 
Identifying root cause of new products involves thorough analysis and investigation.
• Conduct thorough testing and analysis of the product

• Collect feedback from users and stakeholders

• Investigate any reported issues or failures

• Use tools like root cause analysis (RCA) to identify underlying issues

• Consider factors such as design, materials, manufacturing process, and user interaction

• Collaborate with cross-functional teams to
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Q3. What is Procedure of any new products devlopment?
Ans. 
The procedure for new product development involves idea generation, concept development, design and testing, and commercialization.
• Idea generation: Brainstorming sessions, market research, customer feedback

• Concept development: Creating prototypes, feasibility studies

• Design and testing: Iterative design process, testing for functionality and durability

• Commercialization: Marketing strategies, production planning, launch
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Q4. How to solve manufacturing problems & how to co-relate the design?
Ans. 
To solve manufacturing problems and correlate design, it is important to analyze root causes, communicate effectively with cross-functional teams, and iterate on design improvements.
• Identify the root cause of the manufacturing problem by analyzing data and conducting tests.

• Communicate effectively with cross-functional teams including manufacturing, quality, and design engineers to understand the impact of the problem o...read more
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Q5. Tool test on nx software.
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Q1. Reason of resigned the job?
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Q2. Current ctc & expect ctc
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Q1. Course released question... What is your favorite subject and tell about tropics of the subject?
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Q2. What is governor, valve, welding types?
Ans. 
Governor, valve, and welding types are important components in engineering.
• Governor: device used to control the speed of an engine or machine

• Valve: device used to control the flow of fluids or gases

• Welding types: various methods of joining metals together, such as MIG, TIG, and arc welding
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Q3. What is petrol engine?
Ans. 
A petrol engine is an internal combustion engine that runs on petrol fuel.
• Petrol engines use spark plugs to ignite the fuel-air mixture

• They have higher power output compared to diesel engines

• Examples include inline-four, V6, and V8 petrol engines
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Q4. What is four stroke engine?
Ans. 
A four stroke engine is an internal combustion engine that completes four separate strokes (intake, compression, power, exhaust) in two crankshaft revolutions.
• Intake stroke: Fuel-air mixture is drawn into the cylinder.

• Compression stroke: Mixture is compressed by the piston.

• Power stroke: Mixture is ignited, expanding and pushing the piston down.

• Exhaust stroke: Exhaust gases are expelled from the cylinder.
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Q1. About the tool and die making
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Q1. About the rubber moulding
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Q1. About my working experiences
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