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Enphase Energy Engineer Interview Questions and Answers
Enphase Energy Engineer Interview Experiences
1 interview found
Anonymous
Selected
I applied via Recruitment Consulltant and was interviewed before Jan 2023. There was 1 interview round.
(1 Question)
- Q1. More on electrical batteries unrelated to work
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latest advance guruji 2018
(3 Questions)
- Q1. Why nitrogen gas uses in accumulator?
- Ans.
Nitrogen gas is used in accumulators due to its inert properties and ability to maintain pressure for extended periods of time.
Nitrogen gas is inert, meaning it does not react with other substances, making it ideal for maintaining pressure without causing corrosion or contamination.
It is also non-flammable, which reduces the risk of fire hazards in accumulator systems.
Nitrogen gas has a stable temperature range, allowi...
- Q2. Why accumulator is used in WTG
- Ans.
Accumulator is used in WTG to store excess energy generated by the wind turbine for later use.
Accumulator helps in smoothing out the power output from the wind turbine.
It allows for energy storage when the demand is low and release of stored energy when the demand is high.
Accumulators can also help in providing backup power during periods of low wind.
Examples of accumulators used in WTG include batteries, flywheels, an
- Q3. DGR related questions like PLF ,LPF
Selected
I applied via Campus Placement and was interviewed in Jun 2024. There was 1 interview round.
When we add a new line, how do we setup it?
(3 Questions)
- Q1. HR round for basic information for your mentioned CV.
- Q2. Salary discussion
- Q3. Why you change the current organisations?
(2 Questions)
- Q1. Technical Round Depends on your work experiences.
- Q2. Boiler operation
(1 Question)
- Q1. For your salary and benefits notice period etc
I applied via campus placement at Delhi College of Engineering (DCE), Delhi and was interviewed in Mar 2022. There were 2 interview rounds.
(2 Questions)
- Q1. Regarding distribution transmission, transform etc
- Q2. Transformer regarding questions and transmission line, protection 11kv as well as LT protection. Maintenance activities in s/stn.
Interview Preparation Tips
I applied via Company Website and was interviewed in Sep 2021. There was 1 interview round.
Interview Questionnaire
2 Questions
- Q1. Electrical technical O&M , project
- Q2. Project and O &M technical electrical
Interview Preparation Tips
I applied via Walk-in and was interviewed in Oct 2021. There was 1 interview round.
(1 Question)
- Q1. About Machinery matters
Interview Preparation Tips
I applied via Walk-in and was interviewed before Nov 2019. There were 3 interview rounds.
Interview Questionnaire
2 Questions
- Q1. Overhauling procedure of turbine and generator
- Ans.
Overhauling procedure of turbine and generator involves disassembly, inspection, repair, and reassembly.
Disassemble turbine and generator components
Inspect components for wear and damage
Repair or replace damaged components
Reassemble components and test for proper function
- Q2. About roll check bump check and alignment etc
Interview Preparation Tips
Selected
I applied via Approached by Company and was interviewed in Mar 2024. There was 1 interview round.
(1 Question)
- Q1. Questions related to past projects and some technical questions
Interview Questionnaire
2 Questions
- Q1. Pretty easy questions based on power plant.
- Q2. I was asked to explain Rankine Cycle.
- Ans.
Rankine Cycle is a thermodynamic cycle used in steam power plants to convert heat energy into mechanical work.
Rankine Cycle is a theoretical cycle that consists of four processes: compression, heat addition, expansion, and heat rejection.
It is commonly used in steam power plants to generate electricity.
The cycle begins with the compression of a working fluid (usually water) in a pump.
The compressed fluid then enters a ...
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Enphase Energy Engineer Interview Process
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