Tech Mahindra Production Engineer Interview Questions and Answers

60 mins of aptitude test

60 mins of coding round

Q1. OOPs concepts explanation with example
Ans. 
OOPs concepts revolve around classes, objects, inheritance, polymorphism, and encapsulation.
• Classes are blueprints for objects, defining their properties and behaviors.

• Objects are instances of classes, representing real-world entities.

• Inheritance allows a class to inherit properties and methods from another class.

• Polymorphism enables objects to be treated as instances of their parent class.

• Encapsulation restricts acces...read more
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Q2. About the projects we created in 2nd and 4th year of our academic
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Q1. Tell me about your self
Ans. 
I am a dedicated and experienced Production Engineer with a strong background in manufacturing processes and quality control.
• Bachelor's degree in Mechanical Engineering

• 5+ years of experience in production engineering

• Proficient in CAD software and manufacturing processes

• Implemented lean manufacturing principles to improve efficiency

• Led cross-functional teams to troubleshoot production issues
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Q2. Tell me what you know about Unix and SQL
Ans. 
Unix is a powerful operating system known for its multitasking and multi-user capabilities, while SQL is a language used for managing and querying databases.
• Unix is an operating system developed in the 1970s known for its command-line interface and flexibility.

• SQL (Structured Query Language) is a language used to communicate with databases to retrieve, update, and manage data.

• Unix commands are case-sensitive and often ...read more
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Q1. What is mutex and it's syntax?
Ans. 
A mutex is a synchronization primitive used to control access to shared resources in a multi-threaded environment.
• Mutex is typically used to protect critical sections of code to prevent race conditions.

• Syntax for using mutex in C++: std::mutex myMutex;

• To lock a mutex: myMutex.lock();

• To unlock a mutex: myMutex.unlock();
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Q2. What is a goroutine and how it's used?
Ans. 
A goroutine is a lightweight thread managed by the Go runtime. It allows concurrent execution of functions.
• Goroutines are created using the 'go' keyword followed by a function call.

• They are used for concurrent programming in Go, allowing multiple functions to run simultaneously.

• Goroutines are more efficient than traditional threads as they have lower memory overhead and can be multiplexed onto fewer OS threads.

• Example:...read more
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DSA, Queries and logical coding

Q1. Not applicable for now
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Q2. Not aaica for now plese excuse
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Q1. Na for other please
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I got 60 min test with basic Q of shell script and python

Q1. No interview yet
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Easy logical questions

Q1. Easy general questions asked
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Q2. General questions
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Q3. Strength and weaknesses, about project
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