JBM Group NPD Engineer Interview Questions and Answers

Q1. Full APQP process
Ans. 
APQP is a structured process for developing new products or processes.
• Plan and define the program scope

• Design and develop the product or process

• Validate the product or process

• Launch the product or process

• Monitor and improve the product or process

• Use tools like FMEA, PPAP, and Control Plans

• Collaborate with cross-functional teams

• Ensure compliance with industry standards and regulations
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Q2. All PPAP documents
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Q3. VA/ VE basic knowledege
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Q4. LEAN manufacturing
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Q1. Tell me about yourself, Roles and responsibilities.
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Q2. How will you define process flow of a part with it’s drawing ?
Ans. 
Process flow of a part with its drawing involves defining the steps required to manufacture the part as per the drawing.
• Identify the raw materials required for the part

• Define the manufacturing processes involved in creating the part

• Determine the quality checks required at each step

• Ensure compliance with safety and regulatory standards

• Document the process flow for future reference

• Example: Process flow for manufacturing
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Q3. What tool you’ll use to cut a part with tolerance of 50 microns?
Ans. 
A CNC machine with high precision cutting tools.
• A CNC machine with high precision cutting tools can achieve a tolerance of 50 microns.

• The cutting tools should be regularly maintained and calibrated to ensure accuracy.

• The material being cut should also be of high quality and uniform thickness to achieve the desired tolerance.

• Other factors such as cutting speed, feed rate, and coolant should also be optimized for the spe
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Q4. What are the things to be handed over during serial production?
Ans. 
The necessary documents, equipment, and training must be handed over during serial production.
• Documentation such as work instructions, quality control plans, and inspection reports

• Equipment and tools required for production

• Training materials and sessions for operators and maintenance personnel

• Product samples for quality control purposes

• Any necessary certifications or regulatory approvals

• Maintenance and troubleshooting
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Q1. What is draft angel & Shutoff and Difference
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Draft angle is the angle of the vertical wall of a mold or part, while shutoff is the point where two mold halves meet to prevent material flow.
• Draft angle is necessary for easy ejection of parts from molds.

• Shutoff is crucial for preventing material leakage and ensuring part accuracy.

• Draft angle is typically around 1-3 degrees, while shutoff is a precise meeting point of mold halves.

• Examples: Draft angle - plastic inje
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Q2. Please explain plastic defects and regulations
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Plastic defects are imperfections in plastic materials that can affect their performance and appearance. Regulations ensure safety and quality standards are met.
• Plastic defects can include air bubbles, warping, sink marks, and flow lines

• Regulations such as RoHS and REACH restrict the use of certain chemicals in plastics

• Defects can be minimized through proper material selection, processing techniques, and quality contro
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Q1. Based on acadamics
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Q2. Previous experience
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Q3. Highlight points on resume
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Cad test on catia software.

Q1. Plastic categories?
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Q2. Prevention of plastic defects?
Ans. 
Preventing plastic defects involves proper material selection, design optimization, and quality control measures.
• Selecting the right type of plastic for the application

• Optimizing the design to minimize stress concentrations

• Implementing proper molding techniques and parameters

• Conducting thorough quality control inspections

• Addressing any issues promptly to prevent defects from recurring
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Q3. When you make a design in any plastic component. what you are design consideration?
Ans. 
Design considerations for plastic components include material selection, manufacturability, functionality, aesthetics, and cost.
• Material selection based on properties like strength, flexibility, and chemical resistance

• Consideration of manufacturability, such as moldability and ease of assembly

• Ensuring functionality requirements are met, such as mechanical strength or thermal resistance

• Aesthetics like color, texture, an...read more
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Q1. RELATED TO THEORY OF MACHINE DESIGN AND AUTOMOBILE
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Q2. CURRENT WORK EXPERIENCE
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Q1. CAD test in catia
Ans. 
CAD test in CATIA evaluates candidate's proficiency in using CATIA software for designing engineering projects.
• Demonstrate ability to create 3D models using CATIA software

• Show proficiency in creating assemblies and performing simulations in CATIA

• Explain experience in generating 2D drawings and technical documentation in CATIA
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Q2. Plastic material, defects
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Q1. Tell me about yourself Favourite engineering subject
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