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N2 Services Interview Questions and Answers
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Anonymous
I applied via Naukri.com and was interviewed in Jan 2020. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. Excel, BI tools along with your previous experience
Interview Preparation Tips
I appeared for an interview before Apr 2021.
(2 Questions)
- Q1. What is meaning of igv in id fan
- Ans.
IGV stands for Inlet Guide Vane in ID fan which controls the flow of air entering the fan.
IGV is a component of ID fan used to regulate the airflow entering the fan.
It helps in controlling the fan speed and maintaining the required pressure.
IGV is used in various industries like power plants, cement plants, and steel plants.
It is also used in HVAC systems to regulate the airflow in buildings.
Proper maintenance of IGV i
- Q2. How you will control the flow of flue gas
- Ans.
The flow of flue gas can be controlled by adjusting the damper position and regulating the fuel input.
Adjusting the damper position to control the amount of air entering the combustion chamber
Regulating the fuel input to control the temperature and pressure of the flue gas
Using a control system to monitor and adjust the flow of flue gas
Installing a scrubber to remove pollutants from the flue gas before releasing it int
Interview Preparation Tips
They will ask one technical thing regarding your working areas
I applied via Shine and was interviewed before Mar 2021. There were 3 interview rounds.
(4 Questions)
- Q1. Why are you looking for a change?
- Q2. Where do you see yourself in 5 years?
- Q3. What are your strengths and weaknesses?
- Q4. Tell me about yourself.
Interview Preparation Tips
I applied via Referral and was interviewed before Jun 2020. There were 5 interview rounds.
Interview Questionnaire
6 Questions
- Q1. Basic networking theory like arp, ping, vlans, subnetting
- Q2. Switching scenarios mostly related to STP
- Q3. OSI layer based questions. For example, which layer deals with congestion control.
- Q4. Basics of routing. Ospf n bgp scenarios
- Q5. One of the challenging cases worked on
- Ans.
Developed a solution for optimizing a complex algorithm for a client in the finance industry
Client had a large dataset that needed to be processed quickly
Implemented parallel processing to speed up the algorithm
Optimized the code to reduce memory usage
Collaborated with the client to fine-tune the algorithm for their specific needs
- Q6. Scenarios questions to check how you would approach a problem and work towards resolution. Like what all information would you ask from the customer to understand the issue and how you would make use of it...
Interview Preparation Tips
The scenarios are not tough and are basically put to check if you know the basics.
I appeared for an interview before May 2021.
(1 Question)
Round duration - 90 Minutes
Round difficulty - Medium
- Q1.
Colorful Knapsack Problem
You are given a set of 'N' stones, each with a specific weight and color. The goal is to fill a knapsack with exactly 'M' stones, choosing one stone of each color, so that the to...
- Ans.
The goal is to fill a knapsack with exactly 'M' stones, choosing one stone of each color, minimizing the unused capacity.
Use dynamic programming to solve this problem efficiently.
Create a 2D array to keep track of the minimum unused capacity for each color and weight combination.
Iterate through the stones and colors to update the array with the minimum unused capacity.
Return the minimum unused capacity from the array a
Round duration - 24 hours
Round difficulty - Medium
Round duration - 25 minutes
Round difficulty - Easy
Interview Preparation Tips
Tip 1 : have basic knowledge of web development
Tip 2 : have in depth understanding of workflow and tech stacks you use in your projects
Tip 1 : mention the skills you are comfortable to answer questions on
Tip 2 : have some projects with clear mention of your contribution to it on resume.
Skills evaluated in this interview
Interview Questionnaire
3 Questions
- Q1. Inevitable consisted of 4 round :-
- Q2. One such question i remember was no of possible decoding of a given integer string. Ex - If a-1, b-2, c-3, ... Z - 26 Then 123 can be written as ABC, LC, AW
- Q3. 3) MCQ - it consisted of multiple choice questions from android and java domain. The level was medium. 4) Manager round - asked questions about my project and technologies used. Gave me a problem relate...
Interview Preparation Tips
Interview Questionnaire
1 Question
- Q1. Sharepoint
I applied via Naukri.com and was interviewed before Sep 2020. There were 4 interview rounds.
Interview Questionnaire
1 Question
- Q1. IOS Basics , iPhone programming
Interview Preparation Tips
I applied via Naukri.com and was interviewed before Jul 2020. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. Tell me about design of power plant
- Ans.
The design of a power plant involves various components and considerations to ensure efficient generation of electricity.
Power plants are designed to convert various energy sources into electricity.
The design includes selecting the appropriate type of power plant based on the energy source, such as coal, natural gas, nuclear, hydro, or renewable sources.
The design also involves determining the capacity and layout of th...
Interview Preparation Tips
Skills evaluated in this interview
I applied via Referral and was interviewed before Oct 2020. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. Mostly basics of rail domain and testing concepts
Interview Preparation Tips
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N2 Services Reviews and Ratings
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Rating in categories
|
Information Technology Recruiter
6
salaries
|  ₹2.2 L/yr - ₹3.5 L/yr |
|
HR Recruiter
4
salaries
| ₹3 L/yr - ₹4 L/yr |
|
US IT Recruiter
4
salaries
| ₹2.3 L/yr - ₹3 L/yr |
|
Software Engineer
3
salaries
| ₹3.5 L/yr - ₹6.5 L/yr |
|
Database Developer
3
salaries
| ₹3.8 L/yr - ₹5.8 L/yr |
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