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Johnson Controls Interview Questions, Process, and Tips
Top Johnson Controls Interview Questions and Answers
- Q1. How to check for continuity for a wire inside a wall if the starting and end points are available to you.asked in Graduate Engineer Trainee (Get) interview
- Q2. What letters are sent out for Collection? What legal actions are taken?asked in Assistant Manager interview
- Q3. What are active power and reactive power in an electrical system?asked in Senior Application Engineer interview
Johnson Controls Interview Experiences
262 interviews found
Anonymous
Interview Questionnaire
16 Questions
- Q1. Tell me about yourself along with your family background and also tell me about your final year project.
- Ans.
I am a Graduate Engineer Trainee with a strong family background in engineering. My final year project focused on developing a sustainable energy solution.
Graduate Engineer Trainee with engineering background
Strong family background in engineering
Final year project focused on sustainable energy solution
- Q2. What is Android? (I had done with summer training on Android Development)
- Q3. What is Big Data? (Winter training on Big Data)
- Ans.
Big Data refers to large and complex datasets that cannot be easily managed or processed using traditional data processing techniques.
Big Data is characterized by the 3Vs: Volume, Velocity, and Variety.
Volume refers to the vast amount of data generated and collected from various sources.
Velocity refers to the speed at which data is generated and needs to be processed in real-time.
Variety refers to the different types a...
- Q4. How can we analyse this huge volume of data?
- Ans.
Data can be analyzed by using various techniques such as data mining, machine learning, and statistical analysis.
Use data mining techniques to discover patterns and relationships in the data
Apply machine learning algorithms to make predictions and classifications
Utilize statistical analysis to identify trends and draw conclusions
Use visualization tools to present the data in a meaningful way
Employ parallel processing a...
- Q5. What are you more interested in? Program development or Testing? (Answered Development)
- Q6. What is the difference between C and C++?
- Ans.
C is a procedural programming language while C++ is an extension of C with added features of object-oriented programming.
C is a procedural language, while C++ supports both procedural and object-oriented programming.
C++ has additional features like classes, objects, inheritance, and polymorphism.
C++ supports exception handling and templates, which are not available in C.
C++ allows function overloading and operator over...
- Q7. What is object oriented programming language? And what is procedural language?
- Ans.
Object-oriented programming is a programming paradigm that uses objects to represent and manipulate data. Procedural programming is a programming paradigm that uses procedures or functions to structure the program.
Object-oriented programming focuses on objects and their interactions.
Procedural programming focuses on procedures or functions.
In object-oriented programming, data and behavior are encapsulated within object...
- Q8. Features of OOP?
- Ans.
OOP is a programming paradigm that uses objects to represent and manipulate data and behavior.
Encapsulation: bundling data and methods together in a class
Inheritance: creating new classes from existing ones
Polymorphism: using a single interface to represent different types
Abstraction: simplifying complex systems by breaking them into smaller, manageable parts
- Q9. What is the difference between early binding and late binding?
- Ans.
Early binding and late binding are two different approaches to linking functions or methods to their respective code.
Early binding is done at compile-time, where the function call is resolved before the program is executed.
Late binding is done at runtime, where the function call is resolved during the program's execution.
Early binding provides better performance as the function call is already resolved.
Late binding all...
- Q10. What are functions?
- Ans.
Functions are blocks of code that perform a specific task and can be reused throughout a program.
Functions are used to break down a program into smaller, manageable parts.
They improve code reusability and modularity.
Functions can take input parameters and return output values.
Examples of functions include calculating the square root of a number or sorting an array.
- Q11. Why do we use functions in a program?
- Ans.
Functions are used in a program to modularize code, improve code reusability, enhance readability, and simplify debugging.
Functions help break down complex tasks into smaller, manageable parts.
They promote code reusability by allowing the same code to be used multiple times.
Functions enhance code readability by organizing code into logical blocks.
They simplify debugging as errors can be isolated and fixed within a spec...
- Q12. What is abstract class in Java?
- Ans.
An abstract class in Java is a class that cannot be instantiated and is used as a blueprint for other classes.
An abstract class can have both abstract and non-abstract methods.
It can have abstract methods without any implementation.
It can also have non-abstract methods with implementation.
Abstract classes are meant to be extended by other classes.
To use an abstract class, it must be extended and its abstract methods mu
- Q13. What are abstract methods? Why do we use them?
- Ans.
Abstract methods are methods without implementation. They are used to enforce implementation by subclasses.
Abstract methods are declared with the 'abstract' keyword and end with a semicolon instead of a method body.
They are used in abstract classes to enforce implementation by subclasses.
Subclasses must provide an implementation for all abstract methods or be declared as abstract themselves.
Abstract methods are useful ...
- Q14. What is the difference between RDBMS and DBMS? Give examples.
- Ans.
RDBMS is a type of DBMS that stores data in a structured manner using tables and enforces relationships between them.
DBMS is a software system that manages databases, while RDBMS is a specific type of DBMS.
RDBMS uses a tabular structure to store data, with each table consisting of rows and columns.
RDBMS enforces the ACID properties (Atomicity, Consistency, Isolation, Durability) to ensure data integrity.
RDBMS supports ...
- Q15. What are primary key, candidate key, composite key?
- Ans.
Primary key is a unique identifier for a record in a database table. Candidate key is a potential primary key. Composite key is a combination of two or more columns to uniquely identify a record.
Primary key uniquely identifies a record in a table
Candidate key is a potential primary key that can be chosen as the primary key
Composite key is a combination of two or more columns to uniquely identify a record
Example: In a t...
- Q16. What is foreign key?
- Ans.
A foreign key is a column or a set of columns in a database table that refers to the primary key of another table.
Foreign keys establish relationships between tables in a relational database.
They ensure referential integrity and maintain data consistency.
Foreign keys can be used to enforce constraints and enable cascading updates or deletes.
They allow data from multiple tables to be linked together based on common valu...
Interview Preparation Tips
Experience: We were prepared for Quantitative Aptitude, Logical Reasoning, and Verbal Reasoning. But unlike most campus recruitment examinations, most of the questions here were from General Knowledge and Current Affairs. But most of these questions were school-level GK.
This written test was conducted on 2nd August. Results were declared on 8th August.
Duration: 1 hour
Total Questions: 60
Round: Technical Interview
Experience: Although JCI is a core company, but the interviewer asked me questions from basic C and Java.
Tips: Keep the basics clear. And if you are from IT/CS, don't fret about the fact that they'll ask questions from electronics and electrical subjects as it is a core company. That is a mistake I made. Have strong knowledge about your own domain and you'll easily crack the interview. All the best!
Skills evaluated in this interview
Top Johnson Controls Graduate Engineer Trainee (Get) Interview Questions and Answers
Graduate Engineer Trainee (Get) Interview Questions asked at other Companies
I was interviewed in Jan 2025.
(8 Questions)
- Q1. What are active power and reactive power in an electrical system?
- Ans.
Active power is the actual power consumed by a system, while reactive power is the power that oscillates between the system and the source.
Active power is the real power consumed by electrical devices and is measured in watts (W).
Reactive power is the power that flows back and forth between the source and the load, without performing any useful work.
The combination of active power and reactive power gives the total pow...
- Q2. What are the different types of temperature sensors, and what do RTD and PT100 mean?
- Ans.
Different types of temperature sensors include thermocouples, RTDs, thermistors, and infrared sensors. RTD stands for Resistance Temperature Detector and PT100 is a type of RTD.
Thermocouples: measure temperature based on voltage produced by two different metals joined together
RTDs (Resistance Temperature Detectors): measure temperature by changes in electrical resistance
Thermistors: measure temperature based on changes...
- Q3. What is your understanding of Building Management Systems (BMS), and how do they function?
- Ans.
BMS are systems that control and monitor building operations, such as HVAC, lighting, and security, to improve efficiency and occupant comfort.
BMS integrate various building systems to centralize control and monitoring.
They use sensors and actuators to collect data and adjust settings based on predefined parameters.
BMS can optimize energy usage, reduce maintenance costs, and improve occupant comfort.
Examples of BMS inc...
- Q4. What is forward and backward flow in PID control system?
- Ans.
Forward flow is the direct action of the controller on the process, while backward flow is the feedback from the process to the controller in a PID control system.
Forward flow is the control action that directly affects the process based on the setpoint and error signal.
Backward flow is the feedback mechanism where the process output is compared to the setpoint to generate an error signal for the controller.
In a PID co...
- Q5. Tell me about your self and experience
- Ans.
I am a Senior Application Engineer with 8 years of experience in developing and implementing software solutions for various industries.
8 years of experience in software development
Proficient in programming languages such as Java, C++, and Python
Strong background in designing and implementing complex applications
Experience working with cross-functional teams to deliver high-quality solutions
Proven track record of succes...
- Q6. What is your family background? What is your father do?
- Ans.
My family background is diverse with members in various professions. My father is a retired engineer.
Diverse family background
Father is a retired engineer
- Q7. Why you want to change your job?
- Ans.
Seeking new challenges and opportunities for growth in a different environment.
Desire for new challenges and learning opportunities
Seeking career advancement and growth
Interest in working with different technologies or industries
Better work-life balance or company culture
Relocation or commute reasons
- Q8. What are Modbus and BACnet in the context of a Building Management System (BMS)?
- Ans.
Modbus and BACnet are communication protocols used in Building Management Systems (BMS) to enable devices to communicate with each other.
Modbus is a serial communication protocol commonly used for connecting industrial electronic devices. It is simple and easy to implement.
BACnet is a protocol specifically designed for building automation and control networks. It allows different devices from different manufacturers to...
Interview Preparation Tips
Top Johnson Controls Senior Application Engineer Interview Questions and Answers
Senior Application Engineer Interview Questions asked at other Companies
Krishnarjun Ghosh
Selected
Very friendly interviewer. Just focus on basic things.
(2 Questions)
- Q1. What is operational Amplifier?
- Ans.
An operational amplifier is a high-gain electronic voltage amplifier with differential inputs and a single output.
Operational amplifiers are commonly used in analog circuits for signal processing, filtering, and mathematical operations.
They have a very high input impedance and a very low output impedance.
Op-amps can be configured in various ways such as inverting amplifier, non-inverting amplifier, summing amplifier, i...
- Q2. What is a transistor
- Ans.
A transistor is a semiconductor device used to amplify or switch electronic signals.
Transistors are fundamental building blocks of modern electronic devices.
They can amplify electrical signals, control the flow of current, and act as switches.
There are two main types of transistors: bipolar junction transistors (BJTs) and field-effect transistors (FETs).
Transistors are used in a wide range of applications, from compute...
(1 Question)
- Q1. About family and relocation
Interview Preparation Tips
Engineer Trainee Interview Questions asked at other Companies
Sapana Kanaki
I applied via Naukri.com and was interviewed in Aug 2024. There were 2 interview rounds.
(5 Questions)
- Q1. Tell me about yourself?
- Ans.
I am a dedicated and detail-oriented RTR Analyst with a strong background in financial analysis and reporting.
I have a Bachelor's degree in Accounting and Finance
I have 3+ years of experience in reconciliations and financial reporting
I am proficient in using accounting software such as SAP and QuickBooks
I have a strong attention to detail and problem-solving skills
I have excellent communication and teamwork abilities
- Q2. Previous organisation experience?
- Ans.
I have 3 years of experience working as a financial analyst at XYZ Corporation.
Worked as a financial analyst at XYZ Corporation for 3 years
Analyzed financial data to provide insights and recommendations
Prepared financial reports and presentations for senior management
- Q3. Journal entries
- Q4. Basic accounting knowledge
- Q5. Reconciliation related questions
(3 Questions)
- Q1. Previous experience
- Q2. Fixed asset Accounting
- Q3. Accrual Accounting
Interview Preparation Tips
- Accrual Accounting
- Fixed Accounting
- Depreciation
- Journal entries
- Prepaid expenses
If you don't know answer, show enthusiasm that you are quick learner.
Most important point be confident all of the time. Sometime you get counter question, so don't panic try to explain as you know.
All the best of all job Seekers!
RTR Analyst Interview Questions asked at other Companies
Johnson Controls interview questions for popular designations
Gaurav Patil
I applied via Campus Placement and was interviewed in Sep 2024. There were 4 interview rounds.
Basic questions was asked in this round. In which questions are based on your educational field and aptitude questions are also there.
(2 Questions)
- Q1. Tell me about yourself.
- Ans.
I am a dedicated and hardworking graduate student with a passion for research and learning.
Currently pursuing a Master's degree in [specific field]
Have experience conducting research projects and presenting findings
Interested in furthering my education and contributing to the academic community
- Q2. Why do you want to join us?
- Ans.
I am passionate about your research focus and believe I can contribute meaningfully to your team.
I am impressed by the innovative projects your lab is working on
I have relevant experience and skills that align with your research goals
I am excited about the opportunity to collaborate with experts in the field
(2 Questions)
- Q1. Questions based on general aptitude and application based questions are also asked.
- Q2. What projects you have completed.
(2 Questions)
- Q1. General question are asked based on your family background
- Q2. About your relocation for the job.
Interview Preparation Tips
Graduate Student Interview Questions asked at other Companies
Get interview-ready with Top Johnson Controls Interview Questions
I applied via Referral and was interviewed in Nov 2024. There were 2 interview rounds.
(4 Questions)
- Q1. Water cooled chillers
- Q2. Water chiller is a device used to lower the temperature of water. Most chillers use refrigerant in a closed loop system to facilitate heat exchange from water where the refrigerant is then pumped to a loca...
- Q3. Both air-cooled chiller and water cooled chiller depend on an air stream as a means of heat transfer. The difference is that the water-cooled chillers or rather the cooling towers use a humid air stream (a...
- Q4. Vapor compression or vapor absorption. Chillers provide a continuous flow of coolant to the cold side of a process water system at a desired temperature of about 50°F (10°C)
(1 Question)
- Q1. My number XXXXX
Interview Preparation Tips
Senior Technician Interview Questions asked at other Companies
Jobs at Johnson Controls
Selected
(1 Question)
- Q1. Journal information
(1 Question)
- Q1. Domain related questions.
(1 Question)
- Q1. Domain Realated
(1 Question)
- Q1. Domain related questions.
Senior Analyst Interview Questions asked at other Companies
Chirag Suryawanshi
100 questions 50 apti 50 tech
(2 Questions)
- Q1. What is Ohms Law?
- Ans.
Ohm's Law states that the current flowing through a conductor is directly proportional to the voltage across it, and inversely proportional to the resistance of the conductor.
Ohm's Law is represented by the formula V = I * R, where V is the voltage, I is the current, and R is the resistance.
It helps in calculating the relationship between voltage, current, and resistance in an electrical circuit.
For example, if a circu...
- Q2. Explain your project?
- Ans.
Developed a smart irrigation system using IoT technology.
Used sensors to monitor soil moisture levels
Implemented a microcontroller to control water flow to plants
Designed a mobile app for users to remotely monitor and adjust irrigation settings
(2 Questions)
- Q1. Draw Wiring Diagrams?
- Ans.
Wiring diagrams are visual representations of electrical circuits, showing how components are connected.
Start by identifying all components in the circuit
Draw a diagram showing the connections between components
Use standard symbols for components like resistors, capacitors, and wires
Label each component and connection for clarity
Include a legend if necessary to explain symbols used
- Q2. Why do you choose electrical Engineering?
- Ans.
I chose electrical engineering because of my passion for understanding and working with technology, as well as the opportunity to innovate and solve complex problems.
Passion for technology and innovation
Interest in understanding how things work
Desire to solve complex problems
Opportunity to work on cutting-edge projects
Potential for career growth and development
Graduate Engineer Interview Questions asked at other Companies
(1 Question)
- Q1. What are the applications of a Zener diode?
- Ans.
Zener diodes are used for voltage regulation, voltage reference, surge protection, and in voltage stabilizers.
Voltage regulation in power supplies
Voltage reference in circuits
Surge protection in electronic devices
Voltage stabilizers in automotive systems
Overvoltage protection in communication systems
Graduate Engineer Interview Questions asked at other Companies
nikita sonnad
Apptitude questions related to core
(2 Questions)
- Q1. About your self
- Q2. About your projects
(1 Question)
- Q1. About your personality and behavoiur
(1 Question)
- Q1. ..................................................mmmmmmm
Graduate Trainee Interview Questions asked at other Companies
Selected
I was interviewed in Jan 2025.
(1 Question)
- Q1. Tell me about yourself
(1 Question)
- Q1. Tell me about yourself
Instructional Designer Interview Questions asked at other Companies
What people are saying about Johnson Controls
Johnson Controls Interview FAQs
Some of the top questions asked at the Johnson Controls interview -
The duration of Johnson Controls interview process can vary, but typically it takes about less than 2 weeks to complete.
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Johnson Controls Interviews By Designations
- Johnson Controls Graduate Engineer Trainee (Get) Interview Questions
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Interview Questions for Popular Designations
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Johnson Controls Interview Process
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