FEV Interview Questions and Answers

Q1. Technical Interview 1(1 hour)
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Q2. What is Constructor, is virtual constructor possible in C++, Virtual destructor with implementation.
Ans. 
Constructor is a special member function used for initializing objects. Virtual constructor is not possible in C++. Virtual destructor can be implemented.
• Constructor is a special member function with the same name as the class, used for initializing objects.

• Virtual constructor is not possible in C++ as constructors cannot be virtual.

• Virtual destructor is possible in C++ and is used to ensure proper cleanup of resources...read more
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Q3. Getter setter implementation, implementation of virtual function, difference between encapsulation and abstraction, focus on OOP
Ans. 
Understanding getter setter, virtual function, encapsulation, abstraction in OOP
• Getter and setter methods are used to access and modify private class members respectively

• Virtual functions in C++ allow dynamic binding and are overridden in derived classes

• Encapsulation is bundling data and methods that operate on the data together

• Abstraction is hiding the complex implementation details and showing only necessary features

• ...read more
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Q4. Current organization projects
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Developing embedded software for real-time monitoring system in automotive industry
• Implementing communication protocols like CAN and LIN

• Optimizing code for resource-constrained environments

• Integrating sensors for data collection and analysis
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Q1. Purely coding (1 hour 30 min)
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Q2. What is Friend function, Getter setter, Static variable and static function with implementation
Ans. 
Friend function is a function that is not a member of a class but has access to its private and protected members. Getter setter are methods used to access and modify private variables. Static variables are shared among all instances of a class. Static functions are functions that can be called without an instance of the class.
• Friend function allows external functions to access private and protected members of a class.

• ...read more
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Q3. Diamond problem program with approach
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Diamond problem occurs in multiple inheritance when a class inherits from two classes that have a common base class.
• Diamond problem can be resolved using virtual inheritance in C++.

• Virtual inheritance ensures that only one instance of the common base class is inherited.

• Example: class A is inherited by classes B and C, then class D inherits from both B and C. Using virtual inheritance for B and C in D resolves the diamo
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Q4. What is interrupt service routine, watchdog timer, lambda function, baud rate, CAN frame format, spi, Autosar related questions some
Ans. 
Interrupt service routine handles interrupts, watchdog timer resets system if it hangs, lambda function is an anonymous function, baud rate is data transfer rate, CAN frame format is used in Controller Area Network, SPI is Serial Peripheral Interface, Autosar is an automotive software architecture.
• ISR is a function that handles interrupts from hardware devices

• Watchdog timer resets the system if it hangs or stops respon...read more
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Q1. Introduce yourself
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I am a dedicated and experienced Project Engineer with a strong background in managing engineering projects from conception to completion.
• Bachelor's degree in Engineering

• 5+ years of experience in project management

• Proficient in project management software such as Microsoft Project

• Strong communication and leadership skills

• Experience in coordinating with cross-functional teams
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Q2. Vehicle Integration basic to detail all questions, including, DMU check, DFA, DFS, DFM, DFMEA...
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General Information about IC Engines

Q1. What is your phd project?
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Q2. Do you have hardware experience?
Ans. 
Yes, I have extensive hardware experience including designing, testing, and troubleshooting various components.
• Designed hardware components for embedded systems

• Tested hardware prototypes to ensure functionality and performance

• Troubleshooted hardware issues to identify and resolve problems

• Worked with various hardware interfaces such as SPI, I2C, UART

• Experience with PCB design and layout
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Q3. Have you designed gate driver circuits?
Ans. 
Yes, I have designed gate driver circuits for various applications.
• Designed gate driver circuits for power electronics applications

• Utilized MOSFETs and IGBTs in gate driver circuits

• Implemented protection features such as overcurrent and overvoltage protection

• Optimized gate driver circuits for high efficiency and reliability

• Worked on gate driver circuits for motor control systems
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