20+ Senior R&D Engineer Interview Questions and Answers

I have extensive experience in using software configuration management tools like TCM, RTC, Synergy, Git and Git Hub.

• I have used TCM and RTC for version control and change management in previous projects.

• I have experience in using Synergy for code sharing and collaboration among team members.

• I am proficient in using Git and Git Hub for source code management and version control.

• I have experience in creating and managing branches, merging code, and resolving conflicts in Git.

• I...read more

I use a variety of tools for software development lifecycle including JIRA, Git, Jenkins, and Docker.

• JIRA for requirements management and issue tracking

• Git for version control and collaboration

• Jenkins for continuous integration and deployment

• Docker for containerization and deployment

• Code review tools like Crucible and SonarQube

• Testing tools like Selenium and JUnit

• Agile methodologies like Scrum and Kanban

Jenkins is used for continuous integration and delivery. Stream can be connected to Jenkins using plugins or webhooks.

• Jenkins automates the build, test, and deployment process

• Plugins like Git plugin, Pipeline plugin can be used to connect stream to Jenkins

• Webhooks can be used to trigger Jenkins builds on code changes

• Jenkins provides a dashboard to monitor build status and logs

I expect a fair and competitive compensation package based on my experience and qualifications.

• I am looking for a salary that is commensurate with my skills and experience

• I am open to discussing benefits such as health insurance, retirement plans, and vacation time

• I am willing to negotiate based on the overall compensation package offered

• I am looking for a long-term commitment from the company

DPF is a diesel particulate filter used to trap soot particles, while filterless technology uses alternative methods to reduce emissions.

• DPF traps soot particles from diesel engines to reduce emissions

• Filterless technology uses alternative methods such as catalysts or additives to reduce emissions without a physical filter

• DPF requires periodic regeneration to burn off trapped particles

• Filterless technology may be more cost-effective in the long run due to reduced maintenance ...read more

A task is a unit of work while a thread is a unit of execution.

• A task is a logical concept while a thread is a physical concept.

• A task can be broken down into multiple threads.

• A task can be scheduled by the operating system while a thread cannot.

• A task can communicate with other tasks while a thread cannot.

Delegate is used to pass methods as parameters to other methods or to invoke methods asynchronously.

• Delegate is a type-safe function pointer.

• It allows methods to be passed as parameters to other methods.

• It can be used to invoke methods asynchronously.

• It can be used to implement events and callbacks.

• Example: passing a method as a parameter to a sorting algorithm.

• Example: invoking a method asynchronously using BeginInvoke().

ASPICE and CMMI are both process improvement models, but ASPICE is specific to automotive industry while CMMI is more general.

• ASPICE stands for Automotive SPICE and is used in the automotive industry to improve software development processes.

• CMMI stands for Capability Maturity Model Integration and is a more general process improvement model used in various industries.

• ASPICE focuses on software development processes specific to the automotive industry, such as safety and reli...read more

The algorithm of chess involves the rules for moving pieces and capturing the opponent's king.

• Each piece has a unique way of moving

• The objective is to checkmate the opponent's king

• Players take turns moving their pieces

• Special moves include castling and en passant

• The game can end in a draw

AGILE is a project management approach that emphasizes flexibility and collaboration. SCRUM is a specific framework within AGILE.

• AGILE focuses on delivering working software frequently and adapting to change

• SCRUM is a framework for implementing AGILE that includes roles like Product Owner and Scrum Master

• SCRUM also includes ceremonies like Sprint Planning and Daily Standups

• Both AGILE and SCRUM prioritize customer satisfaction and continuous improvement

A touching and glittering sensor is a type of sensor that detects touch and also emits a sparkling or glittering effect.

• A touching and glittering sensor is commonly used in interactive displays or touch-sensitive devices.

• It can be implemented using various technologies such as capacitive touch or optical sensors.

• When touched, the sensor detects the contact and triggers a glittering effect, which can be achieved through the use of LEDs or other light-emitting elements.

• This typ...read more

To build an EV, you need components such as batteries, electric motors, power electronics, and a chassis.

• Batteries: Lithium-ion batteries are commonly used in EVs for energy storage.

• Electric Motors: AC or DC motors are used to drive the vehicle.

• Power Electronics: Converters and inverters are needed to manage power flow.

• Chassis: The frame of the vehicle that supports all components and provides structural integrity.

INT function returns an integer value while Void function does not return any value.

• INT function is used to return an integer value after performing some operations.

• Void function does not return any value and is used to perform some operations.

• INT function can be used in mathematical calculations while Void function cannot.

• Example of INT function: int add(int a, int b) { return a + b; }

• Example of Void function: void printHello() { printf("Hello!"); }

ISO26262 is a standard for functional safety of road vehicles.

• ISO26262 is a standard for the development of safety-critical automotive systems.

• It provides guidelines for the entire development process, from concept to decommissioning.

• The standard defines four Automotive Safety Integrity Levels (ASIL) to classify the safety requirements of a system.

• ISO26262 requires a safety management system, hazard analysis and risk assessment, and validation and verification of safety requi...read more

A load cell is a transducer that converts force or weight into an electrical signal.

• Load cells are commonly used in industrial and scientific applications to measure force or weight.

• They are typically made of metal and contain strain gauges that change resistance when subjected to force.

• The change in resistance is converted into an electrical signal that can be measured and analyzed.

• Load cells are used in various industries such as automotive, aerospace, manufacturing, and he...read more

Autosar is a standardized software architecture for automotive electronics.

• Autosar stands for Automotive Open System Architecture

• It is a collaboration between automotive manufacturers, suppliers, and tool developers

• It aims to standardize the software architecture of electronic control units (ECUs) in vehicles

• Autosar defines a common language, methodology, and tools for developing automotive software

• Examples of Autosar modules include communication stacks, diagnostic services,...read more

GD&T (Geometric Dimensioning and Tolerancing) is a set of symbols and techniques used in SolidWorks product development phases.

• GD&T is used to define and communicate the geometric requirements of a part or assembly.

• It helps ensure that the parts fit together correctly and function properly.

• GD&T symbols include position, concentricity, perpendicularity, and more.

• SolidWorks product development phases involve concept design, detailed design, prototyping, testing, and manufacturi...read more

Create a bit array and rotate right by x

• Create a bit array using an array of integers or booleans

• Use bitwise operations to rotate the array to the right by x positions

• Ensure to handle overflow by wrapping around the array

Searching for a specific bit pattern in an array of strings

• Iterate through each string in the array

• Use bitwise operations to search for the specific bit pattern

• Return the index of the string where the bit pattern is found

5 core tools refer to the basic quality tools used in process improvement.

• Pareto chart

• Control chart

• Histogram

• Scatter diagram

• Flowchart

7 QC tools are a set of basic quality control tools used to identify and solve quality problems.

• Check sheets

• Control charts

• Histograms

• Pareto charts

• Scatter diagrams

• Stratification

• Cause-and-effect diagrams

APQP stands for Advanced Product Quality Planning. It is a structured approach to product and process design that ensures customer satisfaction.

• APQP is a framework used in the automotive industry to ensure quality and reliability of products.

• It involves five phases: planning, product design, process design, product and process validation, and launch.

• APQP helps to identify potential problems early in the design process, reducing the risk of costly errors and delays.

• It also hel...read more

NPD stands for New Product Development, which is the process of creating and introducing new products to the market.

• NPD involves identifying market needs and opportunities

• It includes idea generation, product design, testing, and launch

• NPD can be a lengthy and expensive process, but is crucial for company growth

• Examples of successful NPD include the iPhone, Tesla electric cars, and Airbnb

PPAP stands for Production Part Approval Process.

• It is a standardized process in the automotive industry to ensure that all parts meet customer requirements.

• It involves documentation and testing of parts before they are approved for production.

• PPAP includes various levels of approval, such as design, process, and product approval.

• It is a requirement for suppliers to submit PPAP documentation to their customers before production can begin.

Developed a novel drug delivery system using nanoparticles for targeted cancer therapy.

• Researched various types of nanoparticles for drug delivery

• Designed experiments to test efficacy and safety of the drug delivery system

• Demonstrated successful targeting of cancer cells in in vitro and in vivo studies