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Johnson Controls Hitachi Air Conditioning Graduate Trainee Interview Questions, Process, and Tips
Johnson Controls Hitachi Air Conditioning Graduate Trainee Interview Experiences
1 interview found
I applied via Campus Placement and was interviewed in Aug 2024. There were 2 interview rounds.
(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 ...
- 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...
- 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
- 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...
(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...
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I applied via Campus Placement and was interviewed before Dec 2023. There were 3 interview rounds.
Topics related to BEE (Basic Electrical Engineering) and quantitative aptitude.
The topic was Sales and Marketing with 20 candidates per batch
(1 Question)
- Q1. BEE questions, Strong foundational knowledge on Electrical and electronics
Selected
I applied via Campus Placement and was interviewed in Dec 2024. There were 2 interview rounds.
They asked about 60 questions in total with 30 aptitude and 30 technical questions
(3 Questions)
- Q1. The hr and technical round occured at same time there are there people panel with one hr two technical interviewers with for mechanical and electrical questions.
- Q2. My first questions is explain about HVAC and vapour compression cycle and they asked about 10 units like unit of heat power etc and they finally asked about current scenerio questions finally interview end...
- Q3. The interview go on about 30 minutes and the asked me about to draw the pv and ts diagrama of hvac finally the interview is over and got selected for 5lpa. Good luck.
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Selected
I applied via Walk-in and was interviewed before Dec 2021. There were 3 interview rounds.
(2 Questions)
- Q1. Function of VFD and it's working principles
- Ans.
VFD is a device used to control the speed of an electric motor by varying the frequency and voltage supplied to it.
VFD stands for Variable Frequency Drive
It converts AC power to DC power and then back to AC power at a variable frequency and voltage
It allows for precise control of motor speed and energy savings
Examples of VFD applications include HVAC systems, pumps, and conveyor belts
- Q2. All type of Chiller and basic difference between Screw and Centrifugal Chiller.
- Ans.
Screw and Centrifugal Chillers are two types of chillers used in HVAC systems. The basic difference lies in their compression technology.
Screw Chillers use a rotary screw compressor to compress the refrigerant gas while Centrifugal Chillers use a centrifugal compressor.
Screw Chillers are more efficient at part-load conditions while Centrifugal Chillers are more efficient at full-load conditions.
Screw Chillers are suita...
(1 Question)
- Q1. Details of previous organisation
Interview Preparation Tips
Project Engineer Interview Questions & Answers
Mitsubishi Electric India
Ashish soni
posted on 5 Sep 2024
I applied via Job Portal and was interviewed in Aug 2024. There were 4 interview rounds.
(1 Question)
- Q1. PLC RELATED QUESTIONS
(1 Question)
- Q1. PLC RELATED QUESTIONS
(1 Question)
- Q1. Career goals and challenges takale
(1 Question)
- Q1. Salary and joining date
Interview Preparation Tips
Quality Engineer Interview Questions & Answers
Mitsubishi Electric India
Anonymous
posted on 20 Nov 2024
Selected
I applied via Job Fair and was interviewed before Nov 2023. There were 2 interview rounds.
Line related question
(2 Questions)
- Q1. Why are only trainee
- Q2. How to join parmanent employee
Interview Preparation Tips
Selected
I applied via Walk-in and was interviewed before Oct 2022. There were 2 interview rounds.
(2 Questions)
- Q1. Which Electronic project have u done in college
- Q2. Tell about all electronic components
- Ans.
Electronic components are parts that make up electronic circuits, such as resistors, capacitors, transistors, and diodes.
Resistors: control the flow of electric current
Capacitors: store and release electrical energy
Transistors: amplify or switch electronic signals
Diodes: allow current to flow in one direction only
Interview Preparation Tips
- Electronics
I applied via Walk-in and was interviewed in Mar 2022. There were 2 interview rounds.
Aptitude test
Interview Preparation Tips
- Production Achievement & planing
I applied via Referral and was interviewed in Nov 2018. There was 1 interview round.
Interview Preparation Tips
Me:xxxxx.simple
P:. Do u seen advt. Of this comp.
Me: i said yes with confidence either i hv seen or hv not.
P: what is cycle of air conditioning and typea of cycles.
Me: i told.
P: any demand for salary.
Me
: I replied no, bcoz i want learn n iam fresher so.
P: they discuss the responsibility of my job.
Me. I said ok i agree.
Dats it
Duration: <1 week
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