Defence Research & Development Organisation Internship Trainee Interview Questions and Answers

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 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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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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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. What Job responsibility do you have in your last job?
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