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Johnson Controls Hitachi Air Conditioning Graduate Engineer Trainee (Get) Interview Questions and Answers

Updated 21 Feb 2025

Johnson Controls Hitachi Air Conditioning Graduate Engineer Trainee (Get) Interview Experiences

1 interview found

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
4-6 weeks
Result
Selected Selected

I was interviewed in Aug 2024.

Round 1 - One-on-one 

(2 Questions)

  • Q1. What is the VCR (Variable Compression Ratio) cycle?
  • Ans. 

    VCR cycle is a technology that allows the compression ratio of an engine to be varied for optimal performance and efficiency.

    • VCR cycle adjusts the compression ratio of an engine based on operating conditions.

    • It can improve fuel efficiency and power output of the engine.

    • Examples of VCR systems include Mazda's Skyactiv-X engine and Infiniti's VC-Turbo engine.

  • Answered by AI
  • Q2. What is an expansion valve and what is its function?
  • Ans. 

    An expansion valve is a device in a refrigeration system that controls the flow of refrigerant into the evaporator.

    • Regulates the flow of refrigerant into the evaporator to maintain proper temperature and pressure

    • Helps in converting high-pressure liquid refrigerant into low-pressure liquid-vapor mixture

    • Controls the superheat in the evaporator to ensure efficient cooling

    • Examples include thermostatic expansion valves (TXV

  • Answered by AI
Round 2 - One-on-one 

(2 Questions)

  • Q1. What knowledge do you have about the HVAC industry?
  • Ans. 

    I have knowledge about HVAC industry including principles of heating, ventilation, and air conditioning systems.

    • Understanding of HVAC systems and components such as boilers, chillers, air handlers, and ductwork

    • Knowledge of HVAC design principles and calculations for heating and cooling loads

    • Familiarity with HVAC codes and standards like ASHRAE and building regulations

    • Experience with HVAC troubleshooting and maintenance...

  • Answered by AI
  • Q2. Can you provide complete details about the projects you completed during your college experience?
  • Ans. 

    I completed multiple projects during my college experience, including a smart irrigation system and a mobile app for waste management.

    • Developed a smart irrigation system using Arduino and sensors to optimize water usage in agriculture

    • Created a mobile app for waste management to track waste collection schedules and promote recycling

    • Collaborated with a team to design and implement a solar-powered car for a national compe

  • Answered by AI
Round 3 - HR 

(2 Questions)

  • Q1. Can you tell me about your family?
  • Ans. 

    I come from a close-knit family of four with supportive parents and a younger sibling.

    • Family of four

    • Supportive parents

    • Close-knit

    • Younger sibling

  • Answered by AI
  • Q2. Are you willing to relocate?
  • Ans. 

    Yes, I am willing to relocate for the right opportunity.

    • I am open to relocating for career growth and new experiences.

    • I understand that relocation may be necessary for certain job opportunities.

    • I am flexible and adaptable to new environments and challenges.

  • Answered by AI

Interview questions from similar companies

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-

I was interviewed in Nov 2024.

Round 1 - Aptitude Test 

Normal with electrical,reasoning

Round 2 - Technical 

(1 Question)

  • Q1. Introduction,resume,experience,interest
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Group Discussion 

GD was on a common topic, whichever is trending. Candidates were divided into groups and each group was given a separate topic to discuss on.

Round 2 - Technical 

(2 Questions)

  • Q1. Basic info about your specialisation during your graduation
  • Q2. Was asked question of Trigonometry, not sure were it would help !

Interview Preparation Tips

Interview preparation tips for other job seekers - Take it as a normal conversation, stick to the basics of your specialisation, tell something about yourself which will set you apart from the rest of the crowd.
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. What is polymorphism and method overriding
  • Ans. 

    Polymorphism is the ability of a single function or method to operate on different types of data. Method overriding is when a subclass provides a specific implementation of a method that is already provided by its parent class.

    • Polymorphism allows different classes to be treated as instances of a common superclass.

    • Method overriding is a feature that allows a subclass to provide a specific implementation of a method that...

  • Answered by AI
  • Q2. What is encaplusulation and explain it with an example
  • Ans. 

    Encapsulation is the concept of bundling data and methods that operate on the data into a single unit.

    • Encapsulation helps in hiding the internal state of an object and only exposing the necessary functionalities.

    • It allows for better control over the data by preventing direct access from outside the class.

    • An example of encapsulation is a class in object-oriented programming that has private variables and public methods

  • Answered by AI

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Jul 2023. There were 2 interview rounds.

Round 1 - Aptitude Test 

Quants,verbal,logic,little technical knowledge.

Round 2 - One-on-one 

(2 Questions)

  • Q1. Do you know cloud?
  • Ans. 

    Yes, I am familiar with cloud computing and its various services.

    • Cloud computing refers to the delivery of computing services over the internet.

    • Examples of cloud services include Amazon Web Services (AWS), Microsoft Azure, and Google Cloud Platform.

    • Benefits of cloud computing include scalability, cost-effectiveness, and flexibility.

  • Answered by AI
  • Q2. Why has there been a drop in your percentage from grade 10th to grade 12th?
  • Ans. 

    The drop in my percentage from grade 10th to grade 12th was due to personal challenges and increased academic rigor.

    • Personal challenges such as family issues or health problems may have affected my focus and study time.

    • The transition from lower to higher grades often comes with a higher level of difficulty in subjects, leading to a drop in grades.

    • Increased extracurricular activities or responsibilities outside of schoo...

  • Answered by AI
Round 1 - One-on-one 

(1 Question)

  • Q1. Be technical on your
Round 2 - One-on-one 

(2 Questions)

  • Q1. Tell me about your self
  • Q2. About design field and technical

Interview Preparation Tips

Interview preparation tips for other job seekers - Be prepare for any question and give spontaneous answers
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via campus placement at Thapar Institute of Engineering and Technology (TIET) and was interviewed before Jun 2022. There were 4 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 - Psychometric Test 

(1 Question)

  • Q1. Only computer based psychometric test
Round 3 - Group Discussion 

Demonetisation a success or failure

Round 4 - Technical 

(7 Questions)

  • Q1. Industrial Internship project based questions
  • Q2. Diagram of full wave bridge rectifier circuit
  • Ans. 

    A full wave bridge rectifier circuit converts AC voltage into DC voltage using four diodes.

    • Consists of four diodes arranged in a bridge configuration

    • Converts both halves of the input AC waveform into DC output

    • Provides higher efficiency compared to half wave rectifier

    • Commonly used in power supplies and battery chargers

  • Answered by AI
  • Q3. Need and use of filter capacitor in rectifier circuit
  • Ans. 

    Filter capacitor in rectifier circuit is used to smooth out the output voltage by reducing ripple and noise.

    • Filter capacitor stores and releases electrical energy to reduce voltage ripple in rectified output

    • It helps in converting pulsating DC output of rectifier into a smoother DC output

    • Commonly used in power supplies and electronic devices to improve stability and reduce interference

    • Examples include smoothing capacito...

  • Answered by AI
  • Q4. Introduction of yourself
  • Q5. What will be you approach to resolve a worker union strike over salary and working hours?
  • Ans. 

    I would prioritize open communication, negotiation, and finding a mutually beneficial solution.

    • Initiate open dialogue with union representatives to understand their concerns and demands

    • Negotiate in good faith to find a compromise that addresses both the workers' needs and the company's financial constraints

    • Consider involving a mediator or arbitrator to facilitate discussions and help reach a resolution

    • Ensure transparen...

  • Answered by AI
  • Q6. Flexibility about being posted to pune or pondicherry plant?
  • Q7. Choice of profile- production, development and plant maintainance?
  • Ans. 

    I am interested in the production profile as it involves hands-on work and problem-solving in a dynamic environment.

    • Enjoy working on the production floor and seeing tangible results

    • Like the challenge of optimizing processes and improving efficiency

    • Interested in learning about lean manufacturing principles

    • Have experience with production-related projects or internships

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident, whirlpool is a great company with really professional and qualified people. Work life balance is very good. Salarya nd other compensations are also good. Company culture is very good and HR team is supportive with issues and queries.
Round 1 - Aptitude Test 

Aptitude was moderate with sound technical questions, if you are aware of concepts it can be very easy for you.

Round 2 - Technical 

(1 Question)

  • Q1. Questions on cycles, working of refrigerator, AC, hardness , stiffness

Interview Preparation Tips

Interview preparation tips for other job seekers - they want to hire who does not leave the company quickly so they will give you reasons that you might join IT company or gate but show them you are really interested in that.
Round 1 - Technical 

(1 Question)

  • Q1. 1.What is circuit ? 2.what is PCB 3.what is a frequency 4.differance between AC and DC 5.how electricity generated in our country 6.renewable and non renewable sources 7.what is ScR 8.how to supply elec...
  • Ans. 

    Answers to questions related to electrical engineering concepts.

    • A circuit is a closed loop through which electricity flows.

    • PCB stands for Printed Circuit Board, used to connect and support electronic components.

    • Frequency is the number of cycles per second in an alternating current.

    • AC is alternating current that changes direction periodically, while DC is direct current that flows in one direction.

    • Electricity is generat...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Pls prepared yourself anytime 😊

Interview Questionnaire 

1 Question

  • Q1. After the written test they shortlisted around 10 students from Mechanical branch. Group discussion was not conducted as the number of students shortlisted were less. techni

Interview Preparation Tips

Round: Test
Experience: Around 400 students sat for the written test.The written test was conducted by co cubes which consisted of 75 questions in 75 minutes.Questions were divided in to 4 different sections i.e. aptitude(15),logical reasoning(15), English(15) and mechanical engineering(30). Scoring very high in domain paper is must to get shortlisted for the next round. Questions were mostly from thermodynamics, refrigeration and air conditioning, heat transfer and some questions were from production. Fundamental knowledge of subjects is must to sail through the test.

Johnson Controls Hitachi Air Conditioning Interview FAQs

How many rounds are there in Johnson Controls Hitachi Air Conditioning Graduate Engineer Trainee (Get) interview?
Johnson Controls Hitachi Air Conditioning interview process usually has 3 rounds. The most common rounds in the Johnson Controls Hitachi Air Conditioning interview process are One-on-one Round and HR.
What are the top questions asked in Johnson Controls Hitachi Air Conditioning Graduate Engineer Trainee (Get) interview?

Some of the top questions asked at the Johnson Controls Hitachi Air Conditioning Graduate Engineer Trainee (Get) interview -

  1. What is the VCR (Variable Compression Ratio) cyc...read more
  2. What is an expansion valve and what is its functi...read more
  3. What knowledge do you have about the HVAC indust...read more

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Johnson Controls Hitachi Air Conditioning Graduate Engineer Trainee (Get) Interview Process

based on 1 interview

Interview experience

5
  
Excellent
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Johnson Controls Hitachi Air Conditioning Graduate Engineer Trainee (Get) Reviews and Ratings

based on 3 reviews

4.8/5

Rating in categories

4.7

Skill development

4.8

Work-life balance

4.7

Salary

4.7

Job security

4.8

Company culture

4.7

Promotions

4.7

Work satisfaction

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