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Johnson Controls Hitachi Air Conditioning Interview Questions and Answers

Updated 6 Jun 2025
Popular Designations

21 Interview questions

An Assistant Manager was asked 3w ago
Q. How can you improve the supplier process?
Ans. 

Improving supplier processes involves enhancing communication, streamlining operations, and leveraging technology for efficiency.

  • Establish clear communication channels: Regular meetings and updates can help address issues promptly. For example, weekly check-ins can ensure alignment.

  • Implement performance metrics: Use KPIs to evaluate supplier performance, such as on-time delivery rates or quality scores, to identif...

View all Assistant Manager interview questions
An Assistant Manager was asked 3w ago
Q. What is the Supplier Quality Audit process?
Ans. 

Supplier Quality Audit ensures suppliers meet quality standards through systematic evaluation and monitoring.

  • Define audit criteria based on industry standards and company requirements.

  • Conduct on-site evaluations to assess supplier processes and quality control measures.

  • Review documentation such as quality manuals, inspection reports, and corrective action plans.

  • Engage in interviews with supplier personnel to under...

View all Assistant Manager interview questions
A Team Manager was asked 3mo ago
Q. What are the 7QC tools for problem-solving?
Ans. 

7QC tools are essential for problem-solving in quality management, aiding teams in identifying and analyzing issues effectively.

  • 1. Check Sheet: A structured form for collecting and analyzing data. Example: Tracking defects in a manufacturing process.

  • 2. Histogram: A graphical representation of data distribution. Example: Analyzing patient wait times in a clinic.

  • 3. Pareto Chart: A bar graph prioritizing problems by ...

View all Team Manager interview questions
A Graduate Engineer Trainee (Get) was asked 4mo ago
Q. 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.

View all Graduate Engineer Trainee (Get) interview questions
A Graduate Engineer Trainee (Get) was asked 4mo ago
Q. 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...

View all Graduate Engineer Trainee (Get) interview questions
A Graduate Engineer Trainee (Get) was asked 4mo ago
Q. 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 mainte...

View all Graduate Engineer Trainee (Get) interview questions
A Graduate Trainee was asked 9mo ago
Q. Explain transformer in brief.
Ans. 

A transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction.

  • Consists of two coils of wire, known as primary and secondary coils

  • Primary coil is connected to a power source, inducing a magnetic field

  • Magnetic field causes a voltage to be induced in the secondary coil

  • Used in power distribution, voltage regulation, and isolation

  • Examples include step-up trans...

View all Graduate Trainee interview questions
Are these interview questions helpful?
A Graduate Trainee was asked 9mo ago
Q. Explain voltage in simple language.
Ans. 

Voltage is the force that pushes electric current through a circuit.

  • Voltage is the difference in electric potential between two points in a circuit

  • It is measured in volts (V)

  • Higher voltage means more force pushing the current

  • Voltage is necessary for electrical devices to function properly

View all Graduate Trainee interview questions
A Sales Promoter was asked
Q. Sell me this pen.
Ans. 

This pen is sleek, reliable, and perfect for everyday use.

  • Highlight the pen's sleek design and comfortable grip

  • Emphasize the pen's smooth writing experience

  • Mention the pen's durability and long-lasting ink

  • Offer a special promotion or discount for purchasing multiple pens

View all Sales Promoter interview questions
A Sales Promoter was asked
Q. What is positive marketing?
Ans. 

Positive marketing focuses on highlighting the benefits and positive aspects of a product or service to attract customers.

  • Emphasizes the advantages and strengths of the product or service

  • Focuses on creating a positive image and perception in the minds of consumers

  • Uses uplifting and inspiring messaging to appeal to emotions

  • Encourages customer loyalty and repeat business

  • Examples: Coca-Cola's 'Share a Coke' campaign,...

View all Sales Promoter interview questions

Johnson Controls Hitachi Air Conditioning Interview Experiences

19 interviews found

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

I appeared for an interview 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 experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
-

I applied via Campus Placement and was interviewed in Aug 2024. There were 2 interview rounds.

Round 1 - Technical 

(5 Questions)

  • Q1. Electrostatic Force Equation
  • Ans. 

    The electrostatic force equation describes the force between two charged objects.

    • The electrostatic force equation is given by F = k * (q1 * q2) / r^2, where F is the force, k is the electrostatic constant, q1 and q2 are the charges of the objects, and r is the distance between the objects.

    • The force is attractive if the charges are opposite (one positive and one negative) and repulsive if the charges are the same (both ...

  • Answered by AI
  • Q2. Explain transformer in brief
  • Ans. 

    A transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction.

    • Consists of two coils of wire, known as primary and secondary coils

    • Primary coil is connected to a power source, inducing a magnetic field

    • Magnetic field causes a voltage to be induced in the secondary coil

    • Used in power distribution, voltage regulation, and isolation

    • Examples include step-up transforme...

  • Answered by AI
  • Q3. Explain Voltage in simple language
  • Ans. 

    Voltage is the force that pushes electric current through a circuit.

    • Voltage is the difference in electric potential between two points in a circuit

    • It is measured in volts (V)

    • Higher voltage means more force pushing the current

    • Voltage is necessary for electrical devices to function properly

  • Answered by AI
  • Q4. Explain VCR cycle
  • Q5. Explain Zero, 1st & 2nd Law of Thermodynamics
  • Ans. 

    The Zeroth Law states that if two systems are in thermal equilibrium with a third system, they are in thermal equilibrium with each other. The First Law states that energy cannot be created or destroyed, only transferred or converted. The Second Law states that the total entropy of an isolated system can never decrease over time.

    • Zeroth Law: Systems in thermal equilibrium with a third system are in thermal equilibrium w...

  • Answered by AI
Round 2 - HR 

(1 Question)

  • Q1. How to overcome the politics between colleagues in a organisation.
  • Ans. 

    To overcome office politics, focus on building positive relationships, maintaining professionalism, and communicating openly.

    • Build positive relationships with colleagues by being friendly and supportive.

    • Maintain professionalism by staying neutral in conflicts and avoiding gossip.

    • Communicate openly and directly with colleagues to address any misunderstandings or issues.

    • Focus on the work and goals of the organization rat...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare the Basics & practical basic knowledge of your surrounding engineering.

Sales Interview Questions & Answers

user image Anonymous

posted on 27 Nov 2024

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

I applied via Campus Placement and was interviewed in May 2024. There was 1 interview round.

Round 1 - HR 

(2 Questions)

  • Q1. Tell me about yourself in brief?
  • Q2. Whu should I hire you for the Sales intern job profile?

Interview Preparation Tips

Interview preparation tips for other job seekers - Make the answers of those questions which asked frequently in interviews.

Explain yourself is very crucial

Executive Interview Questions & Answers

user image Akash Gauswami

posted on 5 Jun 2024

Interview experience
3
Average
Difficulty level
Easy
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed in May 2024. There were 2 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. Air conditioning cycle
Round 2 - HR 

(1 Question)

  • Q1. Location and experience
Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed in Jan 2024. There were 2 interview rounds.

Round 1 - Group Discussion 

GD Topic ChatGPT and Ai

Round 2 - One-on-one 

(2 Questions)

  • Q1. What is positive marketing
  • Ans. 

    Positive marketing focuses on highlighting the benefits and positive aspects of a product or service to attract customers.

    • Emphasizes the advantages and strengths of the product or service

    • Focuses on creating a positive image and perception in the minds of consumers

    • Uses uplifting and inspiring messaging to appeal to emotions

    • Encourages customer loyalty and repeat business

    • Examples: Coca-Cola's 'Share a Coke' campaign, Dove...

  • Answered by AI
  • Q2. Sale me this pen
  • Ans. 

    This pen is sleek, reliable, and perfect for everyday use.

    • Highlight the pen's sleek design and comfortable grip

    • Emphasize the pen's smooth writing experience

    • Mention the pen's durability and long-lasting ink

    • Offer a special promotion or discount for purchasing multiple pens

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - looking for your 1st semester questions they mostly asked basic and situation based questions
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
-
Result
Selected Selected
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Properly align and format text in your resume. A recruiter will have to spend more time reading poorly aligned text, leading to high chances of rejection.
View all tips
Round 2 - Aptitude Test 

General discussion with purchase head

Round 3 - Technical 

(1 Question)

  • Q1. Prices if different commodities
  • Ans. 

    Prices of different commodities vary based on factors like demand, supply, quality, and location.

    • Prices are influenced by factors such as demand and supply dynamics.

    • Quality of the commodity can also impact its price.

    • Location plays a role in determining prices due to transportation costs.

    • Examples: Gold prices fluctuate based on global demand, while agricultural commodity prices can be affected by weather conditions.

  • Answered by AI
Round 4 - HR 

(1 Question)

  • Q1. Salary discussion

Interview Preparation Tips

Interview preparation tips for other job seekers - They are giving good hikes on current package
Interview experience
3
Average
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed in Jul 2023. There were 4 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 - Aptitude Test 

It's about general questions

Round 3 - Technical 

(1 Question)

  • Q1. About tools and die
Round 4 - HR 

(1 Question)

  • Q1. Salary family and other

Interview Questions & Answers

user image Akhilesh yadav

posted on 20 Dec 2023

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Double-check your resume for any spelling mistakes. The recruiter may consider spelling mistakes as careless behavior or poor communication skills.
View all tips
Round 2 - One-on-one 

(2 Questions)

  • Q1. How to cycle balance
  • Q2. How to operate lab

Interview Preparation Tips

Interview preparation tips for other job seekers - Always care Fully working
Interview experience
1
Bad
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed in Nov 2022. 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 tips
Round 2 - Technical 

(3 Questions)

  • Q1. 1- What is transformer? 2-What is motor?
  • Ans. 

    A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.

    • Transformers are used to increase or decrease the voltage in electrical power transmission and distribution systems.

    • They consist of two or more coils of wire, known as windings, which are wound around a core made of magnetic material.

    • Transformers are commonly used in power substations, e...

  • Answered by AI
  • Q2. What is motor and stator?
  • Ans. 

    A motor is a device that converts electrical energy into mechanical energy, while a stator is a stationary component of a motor.

    • A motor consists of a rotor and a stator, with the rotor rotating inside the stator.

    • The stator is responsible for producing a magnetic field that interacts with the rotor to produce motion.

    • The stator is typically made up of a series of coils of wire that are arranged in a specific pattern.

    • Exam...

  • Answered by AI
  • Q3. What is voltage?
  • Ans. 

    Voltage is the measure of electric potential difference between two points in an electrical circuit.

    • Voltage is measured in volts (V)

    • It is the force that drives electric current through a circuit

    • Higher voltage means more energy is available to move electrons

    • Voltage can be either AC (alternating current) or DC (direct current)

    • Examples of voltage sources include batteries, generators, and power outlets

  • Answered by AI
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

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

  • Q1. What is Supplier Quality Audit process?
  • Ans. 

    Supplier Quality Audit ensures suppliers meet quality standards through systematic evaluation and monitoring.

    • Define audit criteria based on industry standards and company requirements.

    • Conduct on-site evaluations to assess supplier processes and quality control measures.

    • Review documentation such as quality manuals, inspection reports, and corrective action plans.

    • Engage in interviews with supplier personnel to understand...

  • Answered by AI
  • Q2. What is RCA and how you validate it?
  • Ans. 

    RCA stands for Root Cause Analysis, a method used to identify the underlying reasons for a problem.

    • RCA involves systematic investigation to uncover the root cause of issues.

    • Techniques include the 5 Whys, Fishbone Diagram, and Failure Mode Effects Analysis (FMEA).

    • Example: In a manufacturing defect, RCA might reveal inadequate training as the root cause.

    • Validation involves testing solutions to ensure the root cause is ef...

  • Answered by AI
  • Q3. How you can improve supplier process?
  • Ans. 

    Improving supplier processes involves enhancing communication, streamlining operations, and leveraging technology for efficiency.

    • Establish clear communication channels: Regular meetings and updates can help address issues promptly. For example, weekly check-ins can ensure alignment.

    • Implement performance metrics: Use KPIs to evaluate supplier performance, such as on-time delivery rates or quality scores, to identify are...

  • Answered by AI

Top trending discussions

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Interview Tips & Stories
2w
toobluntforu
·
works at
Cvent
Can speak English, can’t deliver in interviews
I feel like I can't speak fluently during interviews. I do know english well and use it daily to communicate, but the moment I'm in an interview, I just get stuck. since it's not my first language, I struggle to express what I actually feel. I know the answer in my head, but I just can’t deliver it properly at that moment. Please guide me
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Johnson Controls Hitachi Air Conditioning Interview FAQs

How many rounds are there in Johnson Controls Hitachi Air Conditioning interview?
Johnson Controls Hitachi Air Conditioning interview process usually has 2-3 rounds. The most common rounds in the Johnson Controls Hitachi Air Conditioning interview process are HR, Resume Shortlist and Technical.
How to prepare for Johnson Controls Hitachi Air Conditioning interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Johnson Controls Hitachi Air Conditioning. The most common topics and skills that interviewers at Johnson Controls Hitachi Air Conditioning expect are Biotechnology, Design Patterns, Embedded C, Java and OOPS.
What are the top questions asked in Johnson Controls Hitachi Air Conditioning interview?

Some of the top questions asked at the Johnson Controls Hitachi Air Conditioning interview -

  1. How to controls in-process defects & prevent to outfl...read more
  2. What is the VCR (Variable Compression Ratio) cyc...read more
  3. What is an expansion valve and what is its functi...read more
What are the most common questions asked in Johnson Controls Hitachi Air Conditioning HR round?

The most common HR questions asked in Johnson Controls Hitachi Air Conditioning interview are -

  1. What are your strengths and weakness...read more
  2. What is your family backgrou...read more
  3. What are your salary expectatio...read more
How long is the Johnson Controls Hitachi Air Conditioning interview process?

The duration of Johnson Controls Hitachi Air Conditioning interview process can vary, but typically it takes about less than 2 weeks to complete.

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Overall Interview Experience Rating

3.8/5

based on 20 interview experiences

Difficulty level

Easy 36%
Moderate 55%
Hard 9%

Duration

Less than 2 weeks 70%
2-4 weeks 20%
4-6 weeks 10%
View more

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Johnson Controls Hitachi Air Conditioning Reviews and Ratings

based on 349 reviews

3.8/5

Rating in categories

3.4

Skill development

3.7

Work-life balance

3.6

Salary

3.5

Job security

3.4

Company culture

3.2

Promotions

3.4

Work satisfaction

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