Abhay Radiator Production Engineer Interview Questions and Answers

General Aptitude test

General coding test c SQL

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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I got 60 min test with basic Q of shell script and python

Q1. No interview yet
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Q1. About interview is production engineer
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Q2. About interview is production supervisor
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• Are you responsible for your own life?

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?
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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