Defence Research & Development Organisation Internship Trainee Interview Questions and Answers

Normal aptitude questions were asked.

Q1. Just previous experience related discussion only
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Q2. Most standard question, Why you want to join BEL 😄
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Q1. Test on basic electronics
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Q1. With group of experts
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Q1. What was your previous job profile
Ans. 
I was previously working as a Software Engineer at XYZ Company.
• Developed and maintained software applications

• Collaborated with cross-functional teams to gather requirements and design solutions

• Implemented new features and enhancements

• Performed code reviews and debugging

• Participated in agile development processes
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Q2. Basic electronics questions
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Q3. With which test equipment you are familiar with
Ans. 
I am familiar with a wide range of test equipment including oscilloscopes, multimeters, signal generators, and power supplies.
• Oscilloscopes: Tektronix TDS2024B, Agilent DSO-X 2002A

• Multimeters: Fluke 87V, Keysight U1253B

• Signal generators: Tektronix AFG3102, Agilent 33220A

• Power supplies: Agilent E3631A, Tektronix PS2520G
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Q4. How you are in fault rectification
Ans. 
I have a systematic approach to fault rectification, starting with identifying the root cause and then implementing a solution.
• I begin by gathering information about the problem and analyzing it thoroughly

• I then identify the root cause of the issue and prioritize the most critical problems

• I develop a plan of action and implement a solution, testing it thoroughly to ensure it is effective

• I document the entire process fo...read more
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Q5. On which frequency band your system was working.
Ans. 
Our system operates on the 2.4 GHz frequency band.
• Our system uses the 2.4 GHz frequency band for communication.

• This frequency band is commonly used for Wi-Fi and Bluetooth devices.

• It has a range of approximately 30 meters indoors.

• The 2.4 GHz band is susceptible to interference from other devices operating on the same frequency.

• Our system has been optimized to minimize interference and ensure reliable communication.
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Q6. Are you ready to travel frequently to different locations within India.
Ans. 
Yes, I am ready to travel frequently to different locations within India.
• I have a flexible schedule and am willing to travel as required.

• I have previous experience traveling for work.

• I understand the importance of being adaptable and open to new locations.

• I am familiar with the travel logistics within India.

• I am excited about the opportunity to explore different parts of the country.
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Assigned data analysis project

Q1. Tell me about your self
Ans. 
I am a passionate software engineer with experience in developing web applications using various technologies.
• Experienced in developing web applications using HTML, CSS, JavaScript, and frameworks like React and Angular

• Proficient in backend development with Node.js and databases like MongoDB and MySQL

• Familiar with version control systems like Git and project management tools like Jira
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Q2. Tell abt the projects
Ans. 
Developed a web application for tracking inventory and sales data
• Used React.js for front-end development

• Implemented RESTful APIs using Node.js and Express

• Utilized MongoDB for database management
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Basic que on oops dbms apti etc

Q1. Mutable keyword in c++
Ans. 
mutable keyword allows a member variable of a class to be modified even if the object is declared as const.
• Used to modify a const object's member variable

• Does not affect the const-ness of the object itself

• Helpful when caching values in a const member function
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Q2. Inline function in c++
Ans. 
Inline functions in C++ are functions that are expanded in place at the point of call, rather than being called like regular functions.
• Inline functions are typically used for small, frequently called functions to reduce the function call overhead.

• They can improve performance by eliminating the function call and return overhead.

• Inline functions should be used judiciously as they can increase code size if overused.

• Exampl
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Q1. Abount company what to do
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Q1. How to major resistance by old method
Ans. 
Major resistance by old method involves using traditional techniques to determine the level of resistance in a material.
• Use manual testing methods such as scratch testing or hardness testing to assess resistance

• Refer to historical data or records of similar materials for comparison

• Consult with experienced professionals who have knowledge of traditional resistance testing methods
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Q1. What Job responsibility do you have in your last job?
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