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A.P.Electronics Interview Questions and Answers
A.P.Electronics Interview Experiences
3 interviews found
Anonymous
Selected
I appeared for an interview in Jan 2025.
(1 Question)
- Q1. Discuss basic questions
(1 Question)
- Q1. Salary discussion
R&D Trainee Interview Questions asked at other Companies
Arun kumar Kushwaha
Selected
I applied via Referral and was interviewed in Jun 2023. There were 2 interview rounds.
(1 Question)
- Q1. Buck,boost, flyback converter, transistors, zener diodes, rectifier and some HR questions
Interview Preparation Tips
R&D Engineer Interview Questions asked at other Companies
I applied via Recruitment Consultant and was interviewed before Nov 2020. There was 1 interview round.
Interview Questionnaire
6 Questions
- Q1. How to resolve led flickering problem.
- Ans.
LED flickering can be resolved by checking power supply, using proper dimmer, and selecting high-quality LED bulbs.
Check power supply for voltage fluctuations
Use a proper dimmer that is compatible with LED bulbs
Select high-quality LED bulbs that are designed to work with dimmers
Ensure proper grounding of the circuit
Avoid using too many LED bulbs on a single circuit
Consider using an LED driver to regulate the voltage
Che
- Q2. Give me the rough estimate of 100w and 50w FL.
- Ans.
The rough estimate of 100w and 50w FL depends on various factors such as the type of bulb, voltage, and lumens.
The type of bulb used affects the wattage and lumens produced.
The voltage supplied also affects the wattage and lumens produced.
The lumens produced by a 100w and 50w FL bulb can vary depending on the manufacturer.
A rough estimate for a 100w FL bulb is around 1600-1800 lumens.
A rough estimate for a 50w FL bulb
- Q3. Why do surge occour at outdoor led lighting.
- Ans.
Surges occur at outdoor LED lighting due to various reasons.
Lightning strikes
Power fluctuations
Switching of high-power equipment
Faulty wiring
Poor grounding
Inadequate surge protection
Environmental factors such as humidity and temperature changes
Overloading of circuits
Electromagnetic interference
Voltage spikes from the power grid
Inrush current during startup
Design flaws in the LED driver circuitry
- Q4. What is the difference between cc and cv led driver.
- Ans.
CC LED driver maintains constant current output while CV LED driver maintains constant voltage output.
CC LED driver is used for high power LEDs and ensures uniform brightness.
CV LED driver is used for low power LEDs and ensures longer lifespan.
CC LED driver is more expensive than CV LED driver.
CC LED driver is more efficient than CV LED driver.
CC LED driver is used in applications where LED brightness needs to be maint...
- Q5. Surge protection device installation process.
- Ans.
Surge protection device installation involves proper grounding and connection to electrical panels.
Ensure proper grounding of the device
Connect the device to the electrical panel
Follow manufacturer's instructions for installation
Test the device after installation to ensure it is functioning properly
- Q6. Do u know the documentation process in led lighting.
- Ans.
Documentation process in LED lighting involves creating technical specifications, test reports, and user manuals.
Technical specifications outline the product's features, performance, and compliance with industry standards.
Test reports document the results of various tests conducted on the product to ensure its quality and safety.
User manuals provide instructions on how to install, operate, and maintain the product.
Othe...
Interview Preparation Tips
Finally they squeeze u in salary discussion
Top A.P.Electronics new Product Development Engineer Interview Questions and Answers
new Product Development Engineer Interview Questions asked at other Companies
Interview questions from similar companies
I appeared for an interview in Dec 2020.
(2 Questions)
Round duration - 120 minutes
Round difficulty - Hard
There was 2 parts. First part problems were based on Quantitative Aptitude. Problems were of 3 types- Easy, Medium and Hard with different scores. Difficulty keeps on increasing if you answer correctly and keeps on decreasing if you answer incorrectly.
First part was of 45 mins.
Second part consisted of 2 coding problems- Medium, Hard. One was based on Greedy and other was a difficult DP + Bitmask problem.
Coding part had more weightage than Aptitude.
- Q1.
K Centers Selection Problem
In Ninja Land, there are cities numbered from 0 to N-1. The distances between each pair of cities are represented by an N * N matrix 'DIST', where 'DIST[i][j]' is the distance ...
- Ans.
The problem involves selecting K cities to install servers in Ninja Land to minimize the maximum distance from any city to a nearest server.
Iterate through all possible combinations of K cities to select for server installation.
Calculate the maximum distance from any city to the nearest server for each combination.
Choose the combination that minimizes the maximum distance.
- Q2.
Beautiful String Verification
Given a non-empty string
inputString, determine if it can be converted into a 'Beautiful String' using the defined operation.You can perform any number of operations to con...
- Ans.
Determine if a given string can be converted into a 'Beautiful String' using a specific operation.
Check if the input string is already a 'Beautiful String' by checking if it contains 'abc' in the correct positions.
If 'abc' is present in the input string, check if the left and right portions satisfy the defined conditions.
If the conditions are met, return 'True', otherwise return 'False'.
(1 Question)
Round duration - 90 minutes
Round difficulty - Medium
There were 3 interviewers in my panel. The most senior panellist asked q. related to my interests and internship experience.
Other 2 asked questions related to Coding and subjects. There was 1 coding question which was implementation based and involved many corner cases. They were checking if I was able to figure out different corner cases and handle those.
There were situation based questions also asked. One question was on system design of Arogya Setu App.
- Q1.
Complex Number Multiplication
Calculate the product of two complex numbers represented as strings in the form “A+Bi”. Here, ‘A’ represents the real part, and ‘B’ represents the imaginary part.
Explanatio...
- Ans.
Calculate the product of two complex numbers represented as strings in the form 'A+Bi'.
Parse the input strings to extract real and imaginary parts of both complex numbers
Perform multiplication of the complex numbers using the formula (a+bi)*(c+di) = (ac - bd) + (ad + bc)i
Format the result as a string in the form 'A+Bi' and return
Round duration - 30 minutes
Round difficulty - Easy
HR round involved basic questions related to background and behaviour. It was basically a cultural fit round.
Interview Preparation Tips
Tip 1 : Focus on Data Structures, Algorithms as >= 75% of your interview will be dedicated to it. Practice as much as you can.
Tip 2 : Learn the fundamentals of C, C++, OS, SQL as that are basic expectations of interviewer.
Tip 3 : Keep 2 descent projects in resume. Try to have an internship. It will make your resume strong.
Tip 1 : Try to keep relevant information only. Add all your skills and achievements.
Tip 2 : Try to have links of your coding and Github profiles.
Tip 3 : Add 2 to 3 project with small descriptions. Try to keep bullet points. Do mention the Tech Stack.
Tip 4 : Don't lie on any skill. Write only those on which you have worked.
Software Engineer Interview Questions & Answers
Jaguar Land Rover
Vishal Sable
posted on 11 Nov 2023
I applied via Approached by Company and was interviewed in Oct 2023. There were 4 interview rounds.
(2 Questions)
- Q1. Spring boot, java 8 and microswrvices
- Q2. Basic question about spring framework
(2 Questions)
- Q1. Basic details asked about my last project that i have worked.
- Q2. Basic details about last project
Just normal MCQ test.
Interview Preparation Tips
(1 Question)
- Q1. SELL ABD BUY 1 array question(easy level)
- Ans.
This question involves buying and selling items in an array.
The array must contain strings.
You need to implement a function to buy and sell items from the array.
Provide examples of buying and selling operations.
Interview Preparation Tips
Skills evaluated in this interview
I applied via Campus Placement
Normal DP question (LC med)
Selected
I applied via Campus Placement and was interviewed before Aug 2022. There were 2 interview rounds.
(1 Question)
- Q1. On core subject, logical questions
(1 Question)
- Q1. About Bio, As per resume
Interview Preparation Tips
I applied via LinkedIn and was interviewed in Sep 2021. There was 1 interview round.
(1 Question)
- Q1. It went well, results awaiting
Interview Preparation Tips
I appeared for an interview in Dec 2020.
(3 Questions)
Round duration - 70 Minutes
Round difficulty - Medium
There were 5 people in the zoom meet, including me. Rest all 4 were interviewers, 3 from India and 1 from the United Kingdom.
They started with my introduction and then moved on to the questions from my resume, starting with my internship at Samsung Bangalore and then projects.
Then another interviewer asked about my weakness and strength. Then comes the turn of coding questions.
Starting with finding the minimum element in O(1) time, rotating the 2-D array by 90 degrees, OOPS questions were also asked like- polymorphism, abstraction, virtual class. Some OS questions were- cache, paging algorithms.
Then come my POR and other activities.
- Q1.
Kth Smallest Element Problem Statement
You are provided with an array of integers
ARRof sizeNand an integerK. Your task is to find and return theK-th smallest value present in the array. All elements... - Ans.
Find the K-th smallest element in an array of distinct integers.
Sort the array and return the element at index K-1.
Use a min-heap to find the K-th smallest element efficiently.
Implement quickselect algorithm for optimal performance.
- Q2.
Inplace Rotate Matrix 90 Degrees Anti-Clockwise
You are provided with a square matrix of non-negative integers of size
'N x N'. The task is to rotate this matrix by 90 degrees in an anti-clockwise directi... - Ans.
Rotate a square matrix by 90 degrees anti-clockwise without using extra space.
Iterate through each layer of the matrix from outer to inner layers
Swap elements in groups of 4 to rotate the matrix in place
Handle odd-sized matrices separately by adjusting the loop boundaries
- Q3. What are the page replacement algorithms in Operating Systems?
- Ans.
Page replacement algorithms are used in operating systems to decide which page to replace when a new page needs to be brought in.
FIFO (First In, First Out) - replaces the oldest page in memory
LRU (Least Recently Used) - replaces the page that has not been used for the longest time
LFU (Least Frequently Used) - replaces the page that has been used the least number of times
Optimal - replaces the page that will not be used
Interview Preparation Tips
Tip 1 : Practice GFG Must Do section, solve at least 5 Questions daily
Tip 2 : Start talking to new people regarding technology to remove hesitation at the time of the interview.
Tip 3 : Be in contact with a senior already working in that company, ask them regarding previous experience and new project the company is working on.
Tip 4 : Once you are done with GFG must do questions, now complete leetcode sorting by your target company.
Tip 5 : For core subjects refer to gate smashers and knowledge gate videos on youtube.
Tip 1 : Try to modify your resume according to the company you are applying for, for this read their Job Description provided to you.
Tip 2 : Mention no more than 3 projects and 1,2 internships.
Tip 3 : Divide your skills into beginner, intermediate and hard sections, otherwise don't mention too many skills.
Tip 4 : Don't mention to many Position Of Responsibilities( at max 2-3).
Skills evaluated in this interview
A.P.Electronics Interview FAQs
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A.P.Electronics Interview Process
based on 2 interviews
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