Talbros R&D Engineer Interview Questions and Answers

Q1. Heat generating component in motor
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Q2. Cooling methods for motor
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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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Cad test on catia software.

Q1. Plastic categories?
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Q2. Prevention of plastic defects?
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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?
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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. What is semaphore,mutex, all about rtos questions and implementations? what is little endian, write a program to know system is of which endian? what is static,volatile, how did you used in your program? ...read more
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Q2. Questions on rtos projects
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Q3. Structure and struct pointers
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Q4. Arrays and pointers usage with arrays
Ans. 
Arrays are used to store multiple values of the same data type. Pointers are used to store memory addresses of variables.
• Arrays are accessed using index notation, e.g. array[0]

• Pointers can be used to access array elements, e.g. *(array+0)

• Arrays can decay into pointers when passed to functions

• Pointers can be used to dynamically allocate memory for arrays
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Q5. Function pointers and call backs
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Q6. C fundamentals, bit manipulation
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Q1. About project experience
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Q2. Clear view on your work experience
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I have extensive work experience in research engineering.
• Worked as a research engineer for 5 years at XYZ Company

• Led a team of engineers in developing innovative solutions for complex problems

• Published several research papers in reputable journals

• Collaborated with cross-functional teams to design and implement cutting-edge technologies

• Utilized advanced analytical tools and techniques to analyze data and draw meaningful
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Q3. Roles and responsibilities
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Q1. CAD test in catia
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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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Self introduction, Previous experience review , general engineering topics .

Q1. Organisation structure, technical datas , ISO auditing and IATF auditing standards.
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Q1. Previous roles and responsibilities , implementation and improvements in previous position.
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Q1. Idea about drive cycle
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Drive cycle refers to the pattern of vehicle operation over a specified period of time.
• Drive cycle is used to evaluate vehicle emissions and fuel economy.

• It includes different driving modes such as idling, acceleration, deceleration, and cruising.

• Examples of drive cycles include FTP-75, HWFET, and US06.

• Drive cycle data is used to develop and test new vehicle technologies.

• Drive cycles can vary depending on the type of v
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Q2. Major heating components in EV motor
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The major heating components in an EV motor are the stator winding and the rotor.
• Stator winding: The stator winding is responsible for generating a rotating magnetic field in the motor. It can experience heating due to electrical resistance.

• Rotor: The rotor is the rotating part of the motor and can also generate heat due to friction and electrical resistance.

• Cooling system: EV motors often have a cooling system to diss...read more
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Q1. Plastic CAD part was given for test
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Q1. Questions related to project,plastic design considerations were asked
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