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IndustryBuying.com Operations Engineer Interview Questions, Process, and Tips

Updated 4 Dec 2019

IndustryBuying.com Operations Engineer Interview Experiences

1 interview found

I applied via Naukri.com and was interviewed in Nov 2019. There were 3 interview rounds.

Interview Questionnaire 

7 Questions

  • Q1. 1.What is ABC analysis, where we use it?
  • Ans. 

    ABC analysis is a technique used to categorize items based on their importance or value.

    • ABC analysis divides items into three categories: A, B, and C.

    • Category A items are the most important and valuable, while category C items are the least important and valuable.

    • ABC analysis is commonly used in inventory management to prioritize items for restocking or ordering.

    • For example, a grocery store might use ABC analysis to pr...

  • Answered by AI
  • Q2. 2.What is FIFO and LIFO, where you implemented this?
  • Ans. 

    FIFO (First-In, First-Out) and LIFO (Last-In, First-Out) are inventory management methods.

    • FIFO: Oldest items are sold first, used in industries like retail and food.

    • LIFO: Newest items are sold first, used in industries like manufacturing and construction.

  • Answered by AI
  • Q3. 3. How you deals with rejection and damage materials?
  • Ans. 

    I handle rejection and damaged materials by staying calm, assessing the situation, and taking appropriate action.

    • Remain calm and composed when faced with rejection or damaged materials

    • Assess the extent of the damage and determine the cause of rejection

    • Take appropriate action to rectify the situation, such as repairing or replacing damaged materials

    • Implement preventive measures to minimize future rejections or damages

    • Ma...

  • Answered by AI
  • Q4. 4.what do you know about kaizen and how you applied in your area?
  • Q5. 5. What is 5s, explain each and brief its advantage?
  • Ans. 

    5S is a methodology for workplace organization and standardization.

    • Sort - eliminate unnecessary items

    • Set in order - organize remaining items

    • Shine - clean and inspect work area

    • Standardize - establish procedures and schedules

    • Sustain - maintain and improve

    • Advantages include increased efficiency, safety, and quality

    • Reduces waste and improves morale

    • Example: A factory implements 5S to reduce clutter and improve workflow

  • Answered by AI
  • Q6. 6.How you maintain inventory?
  • Ans. 

    Inventory is maintained through regular monitoring, accurate record-keeping, and efficient replenishment.

    • Regularly monitor inventory levels to identify shortages or excesses

    • Keep accurate records of all incoming and outgoing inventory

    • Implement a system for efficient replenishment, such as using reorder points or automated ordering

    • Conduct regular audits to ensure inventory accuracy

    • Utilize inventory management software or...

  • Answered by AI
  • Q7. 7.What is GRN and e way bill?
  • Ans. 

    GRN stands for Goods Receipt Note and e-way bill is an electronic document required for the movement of goods.

    • GRN is a document used to record the receipt of goods from a supplier.

    • It includes details such as the quantity, quality, and condition of the goods received.

    • GRN helps in verifying the accuracy of the goods received and is used for inventory management.

    • E-way bill is an electronic document required for the moveme...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - You have well prepared about what points have mentioned in your CV. need better clearity about concept and good communication skill.

Skills evaluated in this interview

Interview questions from similar companies

Software Engineer Interview Questions & Answers

Snapdeal user image Sarvesh Maheshwari

posted on 10 Apr 2015

Interview Questionnaire 

9 Questions

  • Q1. Calculate the level sum of the binary tree
  • Ans. 

    Calculate the level sum of a binary tree.

    • Traverse the tree level by level using BFS

    • Add the values of nodes at each level

    • Store the level sum in an array

    • Return the array of level sums

  • Answered by AI
  • Q2. Defective ball puzzle problem
  • Q3. Some basic problems (OOP concept,basic datastructures)
  • Q4. Vertical sum of binary tree
  • Ans. 

    Vertical sum of binary tree is the sum of all nodes in each vertical line of the tree.

    • Traverse the tree in-order and keep track of the horizontal distance of each node from the root.

    • Use a hash table to store the sum of nodes at each horizontal distance.

    • Recursively traverse the left and right subtrees and update the hash table accordingly.

  • Answered by AI
  • Q5. Questions on TCP/IP, Database, OS, Data-structures, (and on many more which you studied in your whole college life)
  • Q6. Calculate the top 10 words , which comes frequently in 1 hour time span , on facebook, (dynamically)
  • Ans. 

    Calculate top 10 frequently used words on Facebook in 1 hour dynamically.

    • Use Facebook API to fetch data

    • Implement a script to count word frequency

    • Sort the words based on frequency and return top 10

  • Answered by AI
  • Q7. Tell About Yourself
  • Ans. 

    I am a software engineer with experience in developing web applications and a passion for problem-solving.

    • Proficient in programming languages such as Java, Python, and JavaScript

    • Experience with front-end frameworks like React and Angular

    • Familiarity with back-end technologies such as Node.js and Spring Boot

    • Strong understanding of data structures and algorithms

    • Ability to work collaboratively in a team environment

  • Answered by AI
  • Q8. Family Background
  • Q9. Number of rectangles/squares in chess board
  • Ans. 

    There are 204 squares and 1296 rectangles on a standard 8x8 chess board.

    • The number of squares can be calculated using the formula n(n+1)(2n+1)/6, where n is the number of rows/columns.

    • The number of rectangles can be calculated using the formula n(n+1)m(m+1)/4, where n and m are the number of rows and columns respectively.

    • For an 8x8 chess board, there are 64 squares of size 1x1, 49 squares of size 2x2, 36 squares of siz...

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: There were 22 MCQ questions  on the technical .while 3 questions were of coding type .1.check for balanced parentheses in an expression2. Find out next higher number with same set of digits3. Doesn't Remember.
Tips: MCQ questions were not time consuming , so try to do that questions in less time , so you will get enough time for coding questions.
Duration: 90 minutes
Total Questions: 25

Round: Technical Interview
Experience: My experience was very awesome , i answered all the questions , although in starting i was very nervous , so at starting interviewer help me get my confidence, interviewer was very helpful.
Tips: Don't get panic. Just listen the questions carefully and then answer it.

Round: Technical Interview
Experience: I was not confident while answering Q3, and my answer was not appropriate, though after with little help of interviewer i got the answer properly.

Round: HR Interview
Tips: Keep confidence and show them good communication skills.Previous round's performance also matters in this rounds

College Name: NIT JALANDHAR
Funny Moments: In H.R. RoundOne of my friend was interviewed before me, so he told me the questions,H.R. asked him, and one of them was, number of squares in chess board, and then there was my turn for H.R. interview, i went, and he asked me , In chess board , there are how many , before completing his question i answered,204,  while his question was , how many rectangles,  "ye question pakka tune apne friend se pucha hoga :p " then we passed smiles, but i gave him proper solution of calculation of 204, and then answered my question too.

Skills evaluated in this interview

Interview Preparation Tips

Round: Group Discussion
Experience: GD was conducted for shortlisted candidates and candidates were divided into groups of 6 people.There were 3 topics and each topic was discussed for 2 minutes.No specific rules,like each person needs to speak,are to be followed during the GD.Anyone can initiate,intervene,etc. Finally we were asked to link all three topics and this discussion went on for another 2 minutes.

Round: HR Interview
Experience: Only a single round lasting about 40-45 minutes.There were only 4 people in the panel and technical as well as HR questions were asked. First I was asked to go through my own resume, “Introduce/Tell us about yourself?".  E.g.:“Where have you shown leadership qualities?Have you led a
team?Size of team? What new initiatives did you take?”.Core questions starting form basics like “How does an airplane fly?” to specific questions about the different types of engines used in airplanes,their specifications, etc. were asked. HR questions were put up like"What was the most difficult decision in your life?" and grilled on my internship for 15-20 minutes which I did in Transocean. (Another oil field services company).

General Tips: You need to be very good in the basics of your
core courses and if you have done an internship in the oil industry,
you will definitely be grilled on that.Questions will be asked in quick succession.
Skill Tips: Highlight any intern in Oil industry or anything related to that in your resume.Any POR or any sport activity which shows your leadership qualities should me mentioned in your resume.
Skills: Leadership qualities, Athletic, Quick thinking, presence of mind
College Name: IIT MADRAS

Interview Preparation Tips

Round: Test
Experience: Algorithmic coding test was conducted on hackerank platform. Around 60 students gave online test. There were 4-5 algo questions to be done in 90 mins duration.

Tips: Try to do at least 2 questions.

Round: Technical Interview
Experience: First Interviewer asked me to introduce myself. Then he asked me questions on data structures & Algo. He asked me about tree data structures, why it is used, time complexities of various operations on tree, balancing of tree, AVL Tree. He asked me write AVL Tree insertion, deletion, update code. Then he jumps to BTree, B+Tree and asks me write code on paper for various operations. Questions were asked on indexing, various types of indexing, how it is used in databases, etc. Then he briefly asked about the project I done in my internship.


Round: Technical Interview
Experience: Interviewer asked me how was my 1st round, I said it was great. He first asked me introduce myself. Then he asked about my projects mentioned in my resume. I done a project in machine learning on spam webpage detection. He was interested in that. He asked me what language, libraries I used to implement that project. Then he gave me real time scenario to predict whether an item is explosive or not. Then I approached this problem and asked information related to problem. He was impressed by the approach I target the problem. He asked me what machine learning model will be best and what are their pros and cons. Then he asked me question that given 100 sorted linked lists, you have to merge them and return single sorted linked list. I gave 3-4 solutions with their time & space complexities.


Round: HR Interview
Experience: Interviewer asked me common HR questions like tell me about yourself, my family background, why do you want to join the company, what impact you can make in Snapdeal, why should we hire you. After that he congratulated me for the role of SDE at Snapdeal. I was very happy at that moment.

All the 5 students cleared this round.

Skills: SQL, ML, Algorithms And Data Structures, Python, Basic C/C++
College Name: IIT Guwahati

I was interviewed before Apr 2021.

Round 1 - Coding Test 

(2 Questions)

Round duration - 90 minutes
Round difficulty - Easy

There were 22 MCQ questions of aptitude and technical based while 3 questions were of coding type.
Tips: MCQ questions were not time consuming , so try to do that questions in less time , so you will get enough time for coding questions.

  • Q1. 

    Balanced Parentheses Check

    Given a string STR consisting solely of the characters '{', '}', '(', ')', '[', and ']', determine whether the parentheses are balanced.

    Input:

    The first line contains an inte...
  • Ans. 

    Implement a function to check if parentheses in a string are balanced.

    • Use a stack to keep track of opening parentheses and pop when a closing parenthesis is encountered.

    • If the stack is empty when a closing parenthesis is encountered or if there are unmatched parentheses at the end, return 'NO'.

    • Ensure that all opening parentheses have a corresponding closing parenthesis in the correct order.

    • Return 'YES' if all parenthes...

  • Answered by AI
  • Q2. 

    Find the Next Greater Number with the Same Set of Digits

    Given a string S that represents a number, determine the smallest number that is strictly greater than the original number and has the same set of ...

  • Ans. 

    The task is to find the smallest number greater than the given number with the same set of digits.

    • Sort the digits of the number in descending order.

    • Find the first digit from the right that is smaller than the digit to its right.

    • Swap this digit with the smallest digit to its right that is greater than it.

    • Sort all the digits to the right of the swapped digit in ascending order to get the smallest number greater than the

  • Answered by AI
Round 2 - Face to Face 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Medium

My experience was very awesome , I answered all the questions , although in starting I was very nervous , so at starting interviewer help me get my confidence, interviewer was very helpful.

  • Q1. 

    Maximum Level Sum in Binary Tree Problem Statement

    Given an arbitrary binary tree consisting of N nodes, where each node is associated with a certain value, your task is to find the maximum sum for any le...

  • Ans. 

    Find the maximum sum for any level in a binary tree.

    • Traverse the binary tree level by level and calculate the sum for each level.

    • Keep track of the maximum sum encountered so far.

    • Return the maximum sum found.

    • Example: For the input tree, the maximum level sum is 13 (5+6+2).

  • Answered by AI
  • Q2. 

    Find Top K Frequent Numbers in a Stream

    Given an integer array ARR and an integer K, your task is to find the K most frequent elements in ARR. Return the elements sorted in ascending order.

    Example:

    Inp...
  • Ans. 

    Find the K most frequent elements in an integer array and return them sorted in ascending order.

    • Use a hashmap to store the frequency of each element in the array.

    • Use a min heap to keep track of the K most frequent elements.

    • Return the elements from the min heap in ascending order.

  • Answered by AI
Round 3 - Face to Face 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Easy

This round was based on DSA and questions on core subjects that I had studied throughout college.

  • Q1. 

    Vertical Sum in a Binary Tree

    Given a binary tree where each node has a positive integer value, compute the vertical sum of the nodes. The vertical sum is defined as the sum of all nodes aligned along the...

  • Ans. 

    Compute the vertical sum of nodes in a binary tree aligned along the same vertical line.

    • Traverse the binary tree in a level order manner to calculate the vertical sum.

    • Use a hashmap to store the vertical sum at each vertical level.

    • Recursively traverse the tree and update the vertical sum in the hashmap.

    • Output the vertical sums in the required format for each test case.

  • Answered by AI
  • Q2. What is TCP/IP?
  • Ans. 

    TCP/IP is a set of protocols that governs the way data is transmitted over the internet.

    • TCP/IP stands for Transmission Control Protocol/Internet Protocol.

    • It is a suite of communication protocols used to connect devices on the internet.

    • TCP ensures that data is reliably transmitted between devices.

    • IP is responsible for addressing and routing data packets across networks.

    • Examples of TCP/IP protocols include HTTP, FTP, and

  • Answered by AI
Round 4 - HR 

Round duration - 30 minutes
Round difficulty - Easy

Experience : Keep confidence and show them good communication skills. Previous round's performance also matters in this rounds

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPASnapdeal interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 5 monthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Question about Spring boot
Round 2 - Coding Test 

Write a program to maximum subsequence in an array

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Jan 2024. There was 1 interview round.

Round 1 - Coding Test 

I was fine with a lot of dsa

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Level order tree traversal
  • Q2. Find the pair element from the array
  • Ans. 

    Find the pair element from the array

    • Iterate through the array and use a hashmap to store elements and their counts

    • Check if the current element's complement exists in the hashmap

    • Return the pair if found, otherwise return null

  • Answered by AI

Skills evaluated in this interview

Interview experience
1
Bad
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(1 Question)

  • Q1. Related to angular, javascript
Round 3 - Technical 

(1 Question)

  • Q1. Coding round interview questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Even there was an opening, but they were not sure about it. Sometimes the HR would call and say the opening is available and after taking 4 rounds of interview, they'd say the opening is closed. The HR Mohit Arora, doesnot even know about the role they are hiring or is the hiring freezed. Even after giving 5 rounds of interview, still there was no answer. Better to look for another opportunities rather than to keep waiting for them. Worst organisation in terms of planning
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Nov 2022. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - One-on-one 

(5 Questions)

  • Q1. String, array coding ques Find palindrome, merge two sorted array without using extra space, Write all rest mothods in controller All oops concept, functional interface, static and default method in inter...
  • Q2. Merge two sorted Array Linkedlist delete a node
  • Ans. 

    The question asks to merge two sorted arrays and delete a node in a linked list.

    • To merge two sorted arrays, we can use a two-pointer approach.

    • To delete a node in a linked list, we need to update the pointers of the previous and next nodes.

    • Example: Merge [1, 3, 5] and [2, 4, 6] to get [1, 2, 3, 4, 5, 6].

    • Example: Delete node with value 3 from linked list [1, 2, 3, 4, 5] to get [1, 2, 4, 5].

  • Answered by AI
  • Q3. String is palindrome or not with recursion
  • Ans. 

    Check if a string is a palindrome using recursion.

    • Use recursion to compare the first and last characters of the string.

    • If they are equal, recursively check the substring without the first and last characters.

    • Continue this process until the string is empty or only has one character.

    • If all comparisons are equal, the string is a palindrome.

  • Answered by AI
  • Q4. Puzzle related to bucket
  • Q5. Exception handling

Interview Preparation Tips

Interview preparation tips for other job seekers - Focus on core concepts

Skills evaluated in this interview

IndustryBuying.com Interview FAQs

How to prepare for IndustryBuying.com Operations Engineer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at IndustryBuying.com. The most common topics and skills that interviewers at IndustryBuying.com expect are Logistics Coordination, Operations, Order Processing, Dispatch and Inventory Management.
What are the top questions asked in IndustryBuying.com Operations Engineer interview?

Some of the top questions asked at the IndustryBuying.com Operations Engineer interview -

  1. 2.What is FIFO and LIFO, where you implemented thi...read more
  2. 3. How you deals with rejection and damage material...read more
  3. 5. What is 5s, explain each and brief its advantag...read more

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IndustryBuying.com Operations Engineer Salary
based on 19 salaries
₹2.4 L/yr - ₹5.1 L/yr
24% less than the average Operations Engineer Salary in India
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IndustryBuying.com Operations Engineer Reviews and Ratings

based on 4 reviews

4.5/5

Rating in categories

4.4

Skill development

3.7

Work-life balance

3.5

Salary

3.5

Job security

3.0

Company culture

4.3

Promotions

4.3

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