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MNC Group Hvac Engineer Interview Questions, Process, and Tips

Updated 22 Jan 2025

MNC Group Hvac Engineer Interview Experiences

1 interview found

Hvac Engineer Interview Questions & Answers

user image Anonymous

posted on 22 Jan 2025

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

I was interviewed in Jul 2024.

Round 1 - One-on-one 

(2 Questions)

  • Q1. What is fcu and working
  • Ans. 

    FCU stands for Fan Coil Unit, which is a device that consists of a heat exchanger coil and a fan to provide heating and cooling to a space.

    • FCU is a common HVAC device used in residential, commercial, and industrial buildings.

    • It consists of a heat exchanger coil that either heats or cools the air passing through it.

    • The fan in the FCU helps to distribute the conditioned air throughout the space.

    • FCUs can be connected to a...

  • Answered by AI
  • Q2. What is chiller
  • Ans. 

    A chiller is a machine that removes heat from a liquid via a vapor-compression, absorption refrigeration cycle or by a thermoelectric process.

    • Chillers are commonly used in HVAC systems to cool buildings or industrial processes.

    • They work by transferring heat from the liquid being chilled to a different medium, such as air or water.

    • Chillers can be air-cooled, water-cooled, or evaporatively cooled.

    • Examples of chillers inc...

  • Answered by AI
Round 2 - Call 

(2 Questions)

  • Q1. What is duct its.Type of duct
  • Ans. 

    Ducts are channels used to transport air throughout a building. Types include rectangular, round, and flexible ducts.

    • Ducts are used to distribute air from HVAC systems throughout a building

    • Types of ducts include rectangular, round, and flexible ducts

    • Rectangular ducts are commonly used in commercial buildings

    • Round ducts are often used in residential HVAC systems

    • Flexible ducts are easy to install and are commonly used in

  • Answered by AI
  • Q2. What is copy monitor
  • Ans. 

    Copy monitor is a feature in Revit software that allows users to monitor changes made to a linked model and update their own model accordingly.

    • Copy monitor helps ensure that changes in the linked model are reflected in the user's model.

    • It is commonly used in collaborative projects where multiple teams are working on different aspects of the same building.

    • Users can choose which elements to monitor and update in their mo...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Ducting, ahu, aur terminal,

Interview questions from similar companies

Interview Questionnaire 

1 Question

  • Q1. What is name mangling?
  • Ans. 

    Name mangling is a technique used by compilers to give unique names to functions and variables to avoid naming conflicts.

    • Name mangling is used in C++ to support function overloading.

    • It is also used in Python to avoid naming conflicts in modules.

    • Name mangling can make it difficult to access variables and functions from outside the class in which they are defined.

    • In C++, name mangling can be seen by using the 'nm' comman

  • Answered by AI

Skills evaluated in this interview

I applied via Naukri.com and was interviewed before Oct 2021. There were 3 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 Resume tips
Round 2 - Technical 

(2 Questions)

  • Q1. What is AD dns dhcp?
  • Ans. 

    AD DNS DHCP are Microsoft technologies used for network management and authentication.

    • Active Directory (AD) is a directory service used for authentication and authorization of users and computers in a network.

    • Domain Name System (DNS) is used for name resolution of network resources.

    • Dynamic Host Configuration Protocol (DHCP) is used for automatic IP address assignment to network devices.

    • AD, DNS, and DHCP are often used ...

  • Answered by AI
  • Q2. What is IaaS SaaS PaaS?
  • Ans. 

    IaaS, SaaS, and PaaS are cloud computing models that provide different levels of infrastructure, software, and platform services.

    • IaaS (Infrastructure as a Service) provides virtualized computing resources over the internet, such as servers, storage, and networking.

    • SaaS (Software as a Service) delivers software applications over the internet, eliminating the need for local installation and maintenance.

    • PaaS (Platform as ...

  • Answered by AI
Round 3 - Aptitude Test 

General questions for 1 hors online exams

Interview Preparation Tips

Interview preparation tips for other job seekers - be confident in your role and select which role you want to work

Skills evaluated in this interview

Interview Questionnaire 

3 Questions

  • Q1. About skilla
  • Q2. Project
  • Q3. Roles in

I applied via Campus Placement and was interviewed before Apr 2020. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. About the basics of c, c++ and java, also asked to explain the project that I developed.

Interview Preparation Tips

Interview preparation tips for other job seekers - Be bold and transparent. Explain your reasons and issues if any they are under standable.

I applied via Job Fair and was interviewed before May 2021. 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 Resume tips
Round 2 - HR 

(1 Question)

  • Q1. What is your job role

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident and strive hard to achieve what you desire

I applied via Approached by Company and was interviewed before Dec 2021. There were 3 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 Resume tips
Round 2 - Technical 

(1 Question)

  • Q1. What is n-tier architecture
  • Ans. 

    n-tier architecture is a software design pattern that divides an application into logical layers.

    • It separates presentation, application processing, and data management functions.

    • Each layer can be developed and maintained independently.

    • Examples include 3-tier and 4-tier architectures.

    • It improves scalability, maintainability, and flexibility of the application.

  • Answered by AI
Round 3 - HR 

(1 Question)

  • Q1. What is your expectation from company

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident while answering the questions and answers

Interview Questionnaire 

6 Questions

  • Q1. Explain abstract factory design pattern ?
  • Ans. 

    Abstract Factory is a creational design pattern that provides an interface for creating families of related objects.

    • Abstract Factory is used when we need to create families of related objects without specifying their concrete classes.

    • It provides an interface for creating objects of related classes without specifying their concrete classes.

    • It encapsulates a group of factories that have a common theme.

    • It promotes loose c...

  • Answered by AI
  • Q2. How do you do range based map iteration
  • Ans. 

    Range based map iteration can be done using a for-each loop or iterators.

    • Use a for-each loop to iterate over the map elements.

    • Alternatively, use iterators to traverse the map.

    • The range-based for loop is preferred for its simplicity and readability.

    • Example: for(auto const& [key, value] : myMap) { //do something with key and value }

  • Answered by AI
  • Q3. What are detached and joined threads
  • Ans. 

    Detached threads are independent threads that run separately from the main thread. Joined threads are threads that wait for the main thread to finish.

    • Detached threads are created using pthread_detach() function

    • Joined threads are created using pthread_join() function

    • Detached threads do not need to be explicitly terminated

    • Joined threads must be explicitly terminated using pthread_exit() or return statement

    • Detached thread...

  • Answered by AI
  • Q4. What are static code analysis tools
  • Ans. 

    Static code analysis tools are software programs that analyze source code to find potential issues and improve code quality.

    • Static code analysis tools scan code without executing it

    • They can detect issues such as security vulnerabilities, coding errors, and performance problems

    • Examples of static code analysis tools include SonarQube, ESLint, and Checkstyle

  • Answered by AI
  • Q5. Command to list currently running threads in linux
  • Ans. 

    Command to list currently running threads in linux

    • Use the 'ps' command with the 'H' option to display threads in a hierarchy

    • Use the 'top' command to display threads in real-time

    • Use the 'htop' command for an interactive display of threads

  • Answered by AI
  • Q6. Can we perform arithmetic operation on Unique pointer
  • Ans. 

    No, arithmetic operations cannot be performed on unique pointers.

    • Unique pointers are used to manage the lifetime of dynamically allocated objects.

    • They cannot be copied or assigned, only moved.

    • Arithmetic operations are not defined for pointers, including unique pointers.

  • Answered by AI

Skills evaluated in this interview

Interview Questionnaire 

1 Question

  • Q1. Design facebook
  • Ans. 

    Designing Facebook is a complex task involving various components and technologies.

    • Identify the core features of Facebook such as user profiles, news feed, messaging, and groups.

    • Choose appropriate technologies for each component such as PHP for backend, React for frontend, and MySQL for database.

    • Ensure scalability and performance by implementing caching, load balancing, and database sharding.

    • Implement security measures...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Database, logical reasoning

Skills evaluated in this interview

Senior Engineer Interview Questions & Answers

HCLTech user image raja reddy duggi reddy

posted on 27 Apr 2021

Interview Questionnaire 

2 Questions

  • Q1. Engineering Technical
  • Q2. Mainly on Engineering Design
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MNC Group Interview FAQs

How many rounds are there in MNC Group Hvac Engineer interview?
MNC Group interview process usually has 2 rounds. The most common rounds in the MNC Group interview process are One-on-one Round.
What are the top questions asked in MNC Group Hvac Engineer interview?

Some of the top questions asked at the MNC Group Hvac Engineer interview -

  1. What is duct its.Type of d...read more
  2. What is fcu and work...read more
  3. What is chil...read more

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MNC Group Hvac Engineer Interview Process

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Interview experience

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Average
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