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Delhi Flour Mills Co. Shift Engineer Interview Questions and Answers

Updated 25 Sep 2021

Delhi Flour Mills Co. Shift Engineer Interview Experiences

2 interviews found

Interview Questionnaire 

3 Questions

  • Q1. What is power factor explain
  • Ans. 

    Power factor is the ratio of real power to apparent power in an AC circuit.

    • It is a measure of how efficiently electrical power is being used.

    • It ranges from 0 to 1, with 1 being the most efficient.

    • A low power factor can result in increased energy costs and decreased equipment lifespan.

    • Capacitors can be used to improve power factor.

    • Power factor is important in industrial and commercial settings where large amounts of pow

  • Answered by AI
  • Q2. Star delta starter control wiring
  • Q3. And some electrical question

Interview Preparation Tips

Interview preparation tips for other job seekers - Be Prepare before interview

Interview Questionnaire 

1 Question

  • Q1. Power factor in detail , vfd ,previous work reposbility

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Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Oct 2022. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all tips
Round 2 - Technical 

(1 Question)

  • Q1. Details of UVM and System Verilog blocking and non blocking assignment
  • Ans. 

    UVM is a methodology for verifying complex designs using SystemVerilog. Blocking assignments execute sequentially, while non-blocking assignments execute concurrently.

    • UVM (Universal Verification Methodology) is a standardized methodology for verifying complex designs in SystemVerilog.

    • Blocking assignments in SystemVerilog execute sequentially, meaning the next statement waits for the current statement to finish.

    • Non-bloc...

  • Answered by AI
Round 3 - HR 

(1 Question)

  • Q1. Where do you see yourself in 5 years and strength and weakness
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Ofdm, equalization, estimation
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Ofdm, equalization, estimation

I applied via Referral and was interviewed in Jan 2021. There was 1 interview round.

Interview Questionnaire 

9 Questions

  • Q1. When I services
  • Q2. Are you pass higher secondary exam?
  • Q3. What is your birthday
  • Q4. When are you pass civil engineering diploma
  • Q5. When are you pass higher secondary
  • Q6. When are you pass HSLC
  • Ans. 

    I passed HSLC in 2015.

    • I passed HSLC in 2015.

    • I completed my HSLC in 2015.

    • I cleared the HSLC examination in 2015.

  • Answered by AI
  • Q7. Are you experiencing
  • Q8. Please Adress?
  • Ans. Vill: Bagariguri , PO: Jajori , DIST.: Nagaon, pin: 782142
  • Answered by Sanjib Bordoloi
  • Q9. Your father name?

Interview Preparation Tips

Interview preparation tips for other job seekers - Yes, share my job, I have passed civil engineering diploma in 1996 year
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed before May 2022. There were 6 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 - Technical 

(1 Question)

  • Q1. Basic Electronics (both digital & analog)
Round 3 - Aptitude Test 

Basic Aptitude (numbers, direction, algebra)

Round 4 - One-on-one 

(1 Question)

  • Q1. Basics of Digital Electronics and AMBA Protocol
Round 5 - One-on-one 

(1 Question)

  • Q1. Basics of Memory (RAM & ROM) and course project discussion
Round 6 - HR 

(1 Question)

  • Q1. Discussion about offer letter and location

Interview Preparation Tips

Interview preparation tips for other job seekers - All the best!
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed before Mar 2023. There were 3 interview rounds.

Round 1 - Aptitude Test 

We had an aptitude test which had questions from programming and basic aptitude

Round 2 - Technical 

(1 Question)

  • Q1. Basic questions were asked related to programming and the projects that I had mentioned in my Resumè
Round 3 - Technical 

(1 Question)

  • Q1. Questions asked based on my knowledge of WLAN and antennas
Interview experience
4
Good
Difficulty level
Easy
Process Duration
2-4 weeks
Result
Selected Selected

I appeared for an interview before Mar 2024, where I was asked the following questions.

  • Q1. What is symbol of drawing
  • Ans. 

    Symbols in drawing represent specific elements, materials, or instructions, aiding in clear communication of design intent.

    • Symbols simplify complex information, e.g., electrical symbols like resistors and capacitors.

    • They ensure consistency across drawings, such as using the same symbol for a door in architectural plans.

    • Symbols can indicate material types, like hatching patterns for different materials in engineering dr...

  • Answered by AI
  • Q2. What is skill matrix
  • Ans. 

    A skill matrix is a tool used to assess and visualize the skills of team members against project requirements.

    • Helps identify skill gaps within a team.

    • Facilitates targeted training and development plans.

    • Enables better resource allocation for projects.

    • Example: A software team may list skills like Java, Python, and SQL, rating each member's proficiency.

  • Answered by AI
  • Q3. What is go gauge
  • Ans. 

    A go gauge is a precision tool used to check the dimensional accuracy of parts, ensuring they meet specified tolerances.

    • Used in manufacturing to verify that a part fits within specified limits.

    • Typically consists of a 'go' side that should fit and a 'no-go' side that should not fit.

    • Example: A go gauge for a hole might be a pin that fits perfectly, while a no-go gauge would be a larger pin that does not fit.

    • Helps in main...

  • Answered by AI

I appeared for an interview before Apr 2021.

Round 1 - Coding Test 

(3 Questions)

Round duration - 90 minutes
Round difficulty - Medium

This round had 3 coding questions of Medium to Hard level of difficulty.

  • Q1. 

    Balanced Parentheses Combinations

    Given an integer N representing the number of pairs of parentheses, find all the possible combinations of balanced parentheses using the given number of pairs.

    Explanati...

  • Ans. 

    Generate all possible combinations of balanced parentheses for a given number of pairs.

    • Use recursion to generate all possible combinations of balanced parentheses.

    • Keep track of the number of open and close parentheses used in each combination.

    • Return the valid combinations as an array of strings.

  • Answered by AI
  • Q2. 

    Trapping Rain Water Problem Statement

    You are given a long type array/list ARR of size N, representing an elevation map. The value ARR[i] denotes the elevation of the ith bar. Your task is to determine th...

  • Ans. 

    Calculate the total amount of rainwater that can be trapped between given elevations in an array.

    • Iterate through the array and calculate the maximum height on the left and right of each bar.

    • Calculate the amount of water that can be trapped at each bar by taking the minimum of the maximum heights on the left and right.

    • Sum up the trapped water at each bar to get the total trapped water for the entire array.

  • Answered by AI
  • Q3. 

    Rotting Oranges Problem Statement

    You are given a grid containing oranges where each cell of the grid can contain one of the three integer values:

    • 0 - representing an empty cell
    • 1 - representing a fre...
  • Ans. 

    Find the minimum time required to rot all fresh oranges adjacent to rotten oranges.

    • Create a queue to store the coordinates of rotten oranges and perform BFS to rot adjacent fresh oranges.

    • Track the time taken to rot all fresh oranges and return -1 if not all fresh oranges can be rotten.

    • Update the grid with the new state of oranges after each second.

    • Handle edge cases such as empty grid or no fresh oranges present.

    • Example...

  • Answered by AI
Round 2 - Face to Face 

(3 Questions)

Round duration - 60 Minutes
Round difficulty - Medium

This was a standard DS/Algo round where I was given 2 questions to solve under 60 minutes. I was able to come up with the optimal approach for both the questions and then at the end of the interview I was also asked the famous Die Hard Water Puzzle.

  • Q1. 

    Queue Using Stacks Implementation

    Design a queue data structure following the FIFO (First In First Out) principle using only stack instances.

    Explanation:

    Your task is to complete predefined functions t...

  • Ans. 

    Implement a queue using stacks following FIFO principle.

    • Use two stacks to simulate a queue.

    • For enQueue operation, push elements onto stack1.

    • For deQueue operation, if stack2 is empty, pop all elements from stack1 and push onto stack2, then pop from stack2.

    • For peek operation, if stack2 is empty, pop all elements from stack1 and push onto stack2, then return top of stack2.

    • For isEmpty operation, check if both stack1 and st...

  • Answered by AI
  • Q2. 

    Merge Intervals Problem Statement

    You are provided with 'N' intervals, each containing two integers denoting the start time and end time of the interval.

    Your task is to merge all overlapping intervals a...

  • Ans. 

    Merge overlapping intervals and return sorted list of merged intervals by start time.

    • Sort the intervals based on start time.

    • Iterate through intervals and merge overlapping ones.

    • Return the merged intervals in sorted order.

  • Answered by AI
  • Q3. You have a 3-liter jar and a 5-liter jar. How can you measure exactly 4 liters using these two jars?
Round 3 - Face to Face 

(4 Questions)

Round duration - 60 Minutes
Round difficulty - Medium

This round had 2 coding questions - first one related to Binary Tree and the second one was a simple question from Bit Manipulation. This was followed by some questions from OOPS.

  • Q1. 

    Binary Tree Diameter Problem Statement

    You are given a Binary Tree, and you need to determine the length of the diameter of the tree.

    The diameter of a binary tree is the length of the longest path betwe...

  • Ans. 

    The task is to find the diameter of a binary tree, which is the length of the longest path between any two end nodes in the tree.

    • Traverse the tree to find the longest path between two nodes.

    • Keep track of the maximum diameter found during traversal.

    • The diameter may not necessarily pass through the root node.

    • Consider both left and right subtrees while calculating the diameter.

    • Example: For input 1 2 3 4 -1 5 6 -1 7 -1 -1

  • Answered by AI
  • Q2. 

    Power of 2 Problem Statement

    Determine if it is possible to reorder the digits of a given integer 'N' such that the resulting number is a power of two. The leading digit must not be zero.

    Input:

    The fir...
  • Ans. 

    The problem involves determining if it is possible to reorder the digits of a given integer to form a power of 2.

    • Iterate through all possible permutations of the digits of the given integer.

    • Check if any of the permutations form a power of 2.

    • Return 1 if a valid permutation is found, else return 0.

  • Answered by AI
  • Q3. What are some advantages of using Object-Oriented Programming (OOP)?
  • Ans. 

    Advantages of OOP include code reusability, modularity, and easier maintenance.

    • Code reusability: Objects can be reused in different parts of the program, reducing redundancy.

    • Modularity: OOP allows for breaking down complex problems into smaller, more manageable parts.

    • Easier maintenance: Changes to one part of the codebase do not necessarily affect other parts, making maintenance easier.

    • Encapsulation: Data hiding and ab...

  • Answered by AI
  • Q4. What are access specifiers and what is their significance in Object-Oriented Programming?
  • Ans. 

    Access specifiers define the level of access to class members in Object-Oriented Programming.

    • Access specifiers include public, private, protected, and default

    • Public members are accessible from outside the class

    • Private members are only accessible within the class

    • Protected members are accessible within the class and its subclasses

    • Default access is when no access specifier is specified

  • Answered by AI
Round 4 - HR 

(1 Question)

Round duration - 30 Minutes
Round difficulty - Easy

This was my last round and I hoped it to go good just like the other rounds. The interviewer was very straight to point
and professional. The interview lasted for 30 minutes.

  • Q1. Why should we hire you?

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAPracto interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, DBMS, OS, Aptitude, OOPSTime required to prepare for the interview - 4 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

Delhi Flour Mills Co. Interview FAQs

What are the top questions asked in Delhi Flour Mills Co. Shift Engineer interview?

Some of the top questions asked at the Delhi Flour Mills Co. Shift Engineer interview -

  1. What is power factor expl...read more
  2. Star delta starter control wir...read more
  3. And some electrical quest...read more

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Delhi Flour Mills Co. Shift Engineer Salary
based on 7 salaries
₹3 L/yr - ₹3.4 L/yr
30% less than the average Shift Engineer Salary in India
View more details

Delhi Flour Mills Co. Shift Engineer Reviews and Ratings

based on 2 reviews

4.2/5

Rating in categories

3.3

Skill development

4.2

Work-life balance

3.3

Salary

4.2

Job security

4.2

Company culture

3.3

Promotions

4.2

Work satisfaction

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