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Security Engineers Pvt. Ltd. Service Engineer Interview Questions and Answers
Security Engineers Pvt. Ltd. Service Engineer Interview Experiences
1 interview found
(2 Questions)
- Q1. Electrical maintenance
- Q2. What is motor explain about that
- Ans.
A motor is a device that converts electrical energy into mechanical energy to produce motion.
Motors can be found in various applications such as industrial machinery, household appliances, and vehicles.
There are different types of motors including AC motors, DC motors, and servo motors.
Motors work based on the principle of electromagnetic induction, where a current-carrying conductor experiences a force in a magnetic f...
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Selected
I was interviewed in Feb 2024.
(2 Questions)
- Q1. Why do want to work with us
- Q2. What u see in urself for 5 years
(2 Questions)
- Q1. Electronic components
- Q2. Electronic knowledge
Need basic of logic gate
(1 Question)
- Q1. Syllabus related questions
Service Engineer Interview Questions & Answers
Hitachi Hi-Rel Power Electronics
Anonymous
posted on 31 Dec 2022
Selected
I applied via Company Website and was interviewed before Dec 2021. There were 2 interview rounds.
(3 Questions)
- Q1. UPS working Principal.
- Q2. How Rectifier & Inverter Section Works.
- Ans.
Rectifier converts AC to DC while Inverter converts DC to AC.
Rectifier section uses diodes to convert AC to DC.
Inverter section uses transistors to convert DC to AC.
Rectifier section is used in power supplies while Inverter section is used in UPS.
Rectifier section is used in welding machines while Inverter section is used in air conditioners.
Both sections are used in electric vehicles to convert power from battery to m
- Q3. What is Harmonics ??
- Ans.
Harmonics are electrical voltages or currents that are multiples of the fundamental frequency.
Harmonics can cause problems in electrical systems, such as overheating of equipment and interference with communication systems.
They are often caused by non-linear loads, such as computers, variable speed drives, and LED lighting.
Harmonic distortion can be measured using a power quality analyzer.
Mitigation techniques include ...
Interview Preparation Tips
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
Selected
I was interviewed in Feb 2024.
(2 Questions)
- Q1. Why do want to work with us
- Q2. What u see in urself for 5 years
(2 Questions)
- Q1. About the ups & battery
- Q2. Ups and battery service and commissioning
Interview Preparation Tips
I applied via Campus Placement and was interviewed before Feb 2021. There were 5 interview rounds.
Basics of mathematics and physics
Basic electrics & electronics
(2 Questions)
- Q1. Your mental condition
- Q2. Have you ever been in other states?
(1 Question)
- Q1. Tests like ECG, TMT & blood tests
Interview Preparation Tips
If you are a graduate take it a second choice
Service Engineer Interview Questions & Answers
Hitachi Hi-Rel Power Electronics
Anonymous
posted on 31 Dec 2022
Selected
I applied via Company Website and was interviewed before Dec 2021. There were 2 interview rounds.
(3 Questions)
- Q1. UPS working Principal.
- Q2. How Rectifier & Inverter Section Works.
- Ans.
Rectifier converts AC to DC while Inverter converts DC to AC.
Rectifier section uses diodes to convert AC to DC.
Inverter section uses transistors to convert DC to AC.
Rectifier section is used in power supplies while Inverter section is used in UPS.
Rectifier section is used in welding machines while Inverter section is used in air conditioners.
Both sections are used in electric vehicles to convert power from battery to m
- Q3. What is Harmonics ??
- Ans.
Harmonics are electrical voltages or currents that are multiples of the fundamental frequency.
Harmonics can cause problems in electrical systems, such as overheating of equipment and interference with communication systems.
They are often caused by non-linear loads, such as computers, variable speed drives, and LED lighting.
Harmonic distortion can be measured using a power quality analyzer.
Mitigation techniques include ...
Interview Preparation Tips
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Security Engineers Pvt. Ltd. Service Engineer Reviews and Ratings
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Relationship Manager
18
salaries
|  ₹1.6 L/yr - ₹2.8 L/yr |
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Service Engineer
16
salaries
| ₹1.5 L/yr - ₹2.2 L/yr |
|
Back Office Executive
7
salaries
| ₹1.4 L/yr - ₹2 L/yr |
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HR Executive
6
salaries
| ₹1.9 L/yr - ₹3 L/yr |
|
R&D Engineer
5
salaries
| ₹5 L/yr - ₹7.2 L/yr |
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