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Hitachi Hi-Rel Power Electronics Customer Care Executive Interview Questions and Answers
Hitachi Hi-Rel Power Electronics Customer Care Executive Interview Experiences
1 interview found
I applied via Walk-in and was interviewed in Jul 2023. There were 2 interview rounds.
(5 Questions)
- Q1. What is ups, tell in the block diagram
- Ans.
UPS stands for Uninterruptible Power Supply, which is a device that provides emergency power to a load when the input power source fails.
UPS takes power from the main electrical supply and stores it in its battery
It then converts the stored power to the required voltage and frequency to supply to the load
UPS also provides protection against power surges and spikes
Example: APC Smart-UPS series
- Q2. How to rectifier and inverter section work
- Ans.
Rectifier and inverter sections are components of power electronics that convert AC to DC and DC to AC respectively.
Rectifier section converts AC to DC by using diodes
Inverter section converts DC to AC by using transistors
Rectifier section is used in power supplies, battery chargers, etc.
Inverter section is used in solar power systems, UPS, etc.
- Q3. How to convert 230v ac supply into 12v dc supply.describe with proper circuit diagram
- Ans.
To convert 230V AC supply into 12V DC supply, a step-down transformer, rectifier, and filter capacitor are used in the circuit.
Use a step-down transformer to reduce the voltage from 230V AC to a lower voltage level.
Rectify the AC voltage using a bridge rectifier to convert it into pulsating DC.
Filter the pulsating DC using a capacitor to smoothen out the ripples and obtain a stable 12V DC output.
Ensure proper voltage r...
- Q4. About all types of batteries i.e Ni-cd,VRLA,LEAD acid Smfb planet batteries etc
- Ans. Ni-cd nickel cadmium batteries. In this batterie construction and charging discharging. Sealed Maintenance-Free (SMF) batteries SMF batteries are commonly known as VRLA (Valve-Regulated Lead-Acid) batteries. They are called “maintenance-free” because they are sealed and do not require regular watering. LEAD- The lead is submerged into the sulphuric acid to allow a controlled chemical reaction.
- Q5. Supply chain management
- Ans. Supply chain management is the management of the flow of goods and services and includes all processes that transform raw materials into final products. It involves the active streamlining of a business's supply-side activities to maximize customer value and gain a competitive advantage in the marketplace.
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(1 Question)
- Q1. How well do I understand the role
I applied via Recruitment Consultant and was interviewed in Nov 2020. There were 4 interview rounds.
Interview Questionnaire
1 Question
- Q1. They can ask you how you convince your boss if your boss is wrong, can ask wrk challenges , achievements, last project, how you handle presser
Interview Preparation Tips
do proper homework before interview think what what question can come out and asked by interviewer, interviewer will ask thing from your role and responsibilities
you must be a good listener, with sweet smile and, do not answer fast take a pause while replaying be clear
be attractive, positive, smart and honest asn if you dont know something say it clear you dont know but say if whn it comes to practical you can come up with solution
I applied via Company Website and was interviewed in Apr 2021. There were 4 interview rounds.
Interview Questionnaire
1 Question
- Q1. Technical related
Interview Preparation Tips
Service Engineer Interview Questions & Answers
Sunwoda Electronic India Pvt Ltd
Anonymous
posted on 29 Mar 2024
Selected
I appeared for an interview in Feb 2024.
(2 Questions)
- Q1. Why do want to work with us
- Q2. What u see in urself for 5 years
Interview Questionnaire
1 Question
- Q1. What is role of this company.?
Interview Preparation Tips
MUTHU KRISHNAN R
Selected
I applied via Naukri.com and was interviewed before Dec 2023. There were 2 interview rounds.
(2 Questions)
- Q1. Work experience and knowledge
- Q2. Tell me about yourself
- Ans.
I am a dedicated and experienced engineer with a passion for problem-solving and innovation.
Experienced in designing and implementing engineering solutions
Skilled in using various engineering software and tools
Strong analytical and problem-solving skills
Excellent communication and teamwork abilities
(2 Questions)
- Q1. Introduce about yourself
- Ans.
I am a dedicated and experienced engineer with a strong background in mechanical engineering.
Graduated with a degree in Mechanical Engineering from XYZ University
Worked for 5 years at ABC Company as a design engineer
Proficient in CAD software such as SolidWorks and AutoCAD
- Q2. Salary negotiation
Selected
I applied via Walk-in and was interviewed before Dec 2023. There were 3 interview rounds.
Questioning your technical knowledge.
(1 Question)
- Q1. What are the details regarding the salary and structure for this position?
- Ans.
The salary for this position is competitive and will be based on experience and qualifications.
Salary is competitive and will be based on experience and qualifications
Specific details regarding salary and structure will be discussed during the interview process
Benefits package may also be included in the compensation package
(1 Question)
- Q1. Can you describe your experience and the responsibilities you have held in your previous roles?
- Ans.
I have over 5 years of experience in engineering roles, with responsibilities including project management, design, and testing.
Managed multiple engineering projects from conception to completion
Designed and implemented new systems and processes to improve efficiency
Conducted testing and analysis to ensure product quality and compliance
Collaborated with cross-functional teams to achieve project goals
Interview Preparation Tips
(1 Question)
- Q1. Concepts on OOPs? Polymorphism. Inheritance in depth, Abstract classes, SQL,
(1 Question)
- Q1. QC tools ,7 qc tool
Interview Preparation Tips
Hitachi Hi-Rel Power Electronics Interview FAQs
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Hitachi Hi-Rel Power Electronics Customer Care Executive Interview Process
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