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QNFS Interview Questions and Answers

Updated 15 May 2021

QNFS Interview Experiences

1 interview found

I applied via Naukri.com and was interviewed before May 2020. There were 3 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. 1 How many types of compressor ? 2 Electrical troubleshootin, star delta wiring . Many question asking about chiller and DX unit
  • Ans. 

    There are two types of compressors: positive displacement and dynamic. Electrical troubleshooting and wiring are also important skills for HVAC technicians, with a focus on star delta wiring. Knowledge of chiller and DX units is also necessary.

    • Two types of compressors: positive displacement and dynamic

    • Electrical troubleshooting and wiring skills are important

    • Focus on star delta wiring

    • Knowledge of chiller and DX units i

  • Answered by AI
  • Q2. CHW IN OUT TEMP DIFFERENCE ABOUT ADAPTIV CONTROL ALRAM TRUBLE SHOOT ETC..
  • Ans. 

    CHW IN OUT temp difference and adaptive control alarm troubleshooting for HVAC technician.

    • CHW IN OUT temp difference is the temperature difference between the chilled water entering and leaving the HVAC system.

    • Adaptive control is a system that adjusts the HVAC system's output based on the current conditions.

    • Alarm troubleshooting involves identifying and resolving any issues with the HVAC system's alarms.

    • Examples of ala...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Good

Hvac Technician Interview Questions asked at other Companies

Q1. How many types of compressors in the world
View answer (5)

Interview questions from similar companies

I applied via Campus Placement and was interviewed in Dec 2016. There were 2 interview rounds.

Interview Preparation Tips

Round: HR Interview
Experience: HR was really friendly and discussed resume in detail.

Round: Technical Interview
Experience: Had more discussion on technical terms on resume.

Round: Technical Interview
Experience: Asked questions on Programming and questions related to course work mentioned in the resume. The interview was completely candidate driven.

College Name: IIT Madras

I applied via Campus Placement and was interviewed in Dec 2016. There were 2 interview rounds.

Interview Preparation Tips

Round: HR Interview
Experience: HR was really friendly and asked about projects in the resume.

Round: Technical Interview
Experience: Interviewer asked questions related to programming and algorithms.

Round: Technical Interview
Experience: Interviewer asked all technical details inside the resume. This round was more technical. More emphasis was on problem solving skills.

College Name: IIT Madras

I appeared for an interview in Sep 2016.

Interview Questionnaire 

2 Questions

  • Q1. Tell about your project
  • Ans. 

    Developed a mobile app for tracking daily water intake

    • Designed user-friendly interface for easy input of water consumption

    • Implemented reminders to encourage regular hydration

    • Integrated with health tracking apps to provide comprehensive health data

    • Received positive feedback from beta testers for improved hydration habits

  • Answered by AI
  • Q2. Tell about your por
  • Ans. 

    I have experience in various internships related to my field of study.

    • Interned at XYZ Company, assisting with data analysis and research projects.

    • Completed a summer internship at ABC Hospital, shadowing doctors and nurses.

    • Worked as an intern at DEF Organization, helping with event planning and coordination.

    • Participated in a research internship at GHI University, conducting experiments and analyzing data.

  • Answered by AI

Interview Preparation Tips

Round: Group Discussion
Duration: 20 minutes

College Name: BITS Pilani

I applied via Campus Placement and was interviewed in Dec 2016. There were 4 interview rounds.

Interview Preparation Tips

Round: Test
Experience: There were totally 8 sections to the test. But they could be broadly put under 4 categories. Firstly all questions were compulsory to attempt and there was no negative marking. Aptitude: Basic quantitative math questions were asked. There was one simple programming question where one could code in C/Java in your local IDE and upload the code file. It was a DO or DIE question, either you get the question and proceed to the next questions of the test or the test gets stopped if the code is not successfully compiled within 5 attempts. This programming question, as was told was an important criteria to filter out candidates for the next round. There was a descriptive question asking about a recent team project done.
Tips: Achievements in sports and other extra curricular activities are valued. Mention them in the resume, if applicable.
Duration: 1 hour 30 minutes

Round: Technical Interview
Experience: In this round, they look for the candidate's experience in coding in whatever language mentioned in the resume - I was asked to write some simple codes in c. I was also asked to explain some projects from the resume.
Tips: basic knowledge of data structures, resume preparation

Round: Technical + HR Interview
Experience: In this round, the questions were mostly based on the resume and the projects done. Also, HR questions like What do you know about Schlumberger, How do you perform in a team, What makes you unique from the other candidates etc. were asked. They also ask if you have any questions from your side - Better to ask questions if you have one or if you can't think upon any specific question, ask them a doubt from whatever they have said(usually they say a lot about their company and principles before they ask you for questions)
Tips: Prepare for a HR interview separately, resume preparation

College Name: IIT Madras

Analyst Interview Questions & Answers

Shell user image Anonymous

posted on 24 Feb 2021

I applied via Naukri.com and was interviewed before Feb 2020. There were 3 interview rounds.

Interview Questionnaire 

5 Questions

  • Q1. Brief your role in the projects that you have worked.
  • Q2. Now, tell me about yourself, your credentials in the professional world so far. How do you see yourself in the next 5 years?
  • Q3. Explain how structured Change Management process helps in the Application Support functions.
  • Ans. 

    Structured Change Management process ensures smooth and controlled changes in application support functions.

    • Reduces the risk of errors and downtime during changes

    • Ensures proper documentation and communication of changes

    • Helps in prioritizing and scheduling changes

    • Enables tracking and reporting of changes

    • Facilitates stakeholder involvement and buy-in

    • Example: ITIL Change Management process

    • Example: Agile Change Management

  • Answered by AI
  • Q4. What's your way of accepting changes from the customer? Waterfall or Agile.
  • Ans. 

    Agile is my preferred way of accepting changes from the customer.

    • Agile allows for continuous feedback and collaboration with the customer

    • Waterfall can lead to delays and misunderstandings

    • Agile promotes flexibility and adaptability to changing requirements

    • Examples: Scrum, Kanban, Lean

  • Answered by AI
  • Q5. Brief me a few subsets of the Agile Manifesto.
  • Ans. 

    Agile Manifesto subsets include customer collaboration, responding to change, and working software.

    • Customer collaboration over contract negotiation

    • Responding to change over following a plan

    • Working software over comprehensive documentation

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - The interviews are conducted by Global and/or Regional (India) teams. Please be prepared to explain based on the interviewer's role.

Skills evaluated in this interview

I appeared for an interview before Dec 2020.

Interview Questionnaire 

2 Questions

  • Q1. Basic questions testing your technical skills
  • Q2. Be confident with your answers

Interview Preparation Tips

Interview preparation tips for other job seekers - Most of the questions asked were basic technical questions. Being confident is the key

I applied via Walk-in and was interviewed in Dec 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. About your work, self, Skills,

Interview Preparation Tips

Interview preparation tips for other job seekers - Confident, Grooming,

Interview Questionnaire 

1 Question

  • Q1. Technical questions related to inventory,scm and stock management

Interview Preparation Tips

Round: Resume Shortlist
Experience: Experience and key skills

I appeared for an interview before Jul 2016.

Interview Preparation Tips

Round: Resume Shortlist
Experience: Face to Face interview me
Tips: He asked me why did coming here i told this is a big company growth is here

Skills: Talking Ability

QNFS Interview FAQs

What are the top questions asked in QNFS interview?

Some of the top questions asked at the QNFS interview -

  1. 1 How many types of compressor ? 2 Electrical troubleshootin, star delta wirin...read more
  2. CHW IN OUT TEMP DIFFERENCE ABOUT ADAPTIV CONTROL ALRAM TRUBLE SHOOT ET...read more

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QNFS Reviews and Ratings

based on 40 reviews

4.5/5

Rating in categories

4.3

Skill development

4.2

Work-life balance

4.1

Salary

4.2

Job security

4.2

Company culture

4.2

Promotions

4.3

Work satisfaction

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Mechanical Technician
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₹0.9 L/yr - ₹8.4 L/yr

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₹8 L/yr - ₹14 L/yr

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