Juwi Renewable Energies Interview Questions and Answers

Coding round was ok with mid level difficult questions

Q1. It was more than One hour ,mostly questions were project and real scenario based
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Q2. Java ,spring ,junit and sql
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Q3. Project related
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Q1. SQL Queries and java
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Q2. Project related
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Q1. Introduce your self.
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Q2. Pertaining to work profile
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Q1. All about personal work experience and salary expectation.
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Q1. Earthmat calculation
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Q2. Cable sizing calculation
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Q3. Insulation Coordination study
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Q4. Battery and charger calculation
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Q1. Short circuit calculations
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Q2. Insulation coordinate study
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Q1. Technical questions about transmission line
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Q2. Feeder capacity in wind 33 kv line
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Q1. PID controller working
Ans. 
A PID controller is a type of feedback control system that calculates an error value as the difference between a desired setpoint and a measured process variable.
• PID stands for Proportional-Integral-Derivative, which are the three terms used to describe the controller's actions.

• The proportional term responds to the current error value.

• The integral term responds to the accumulation of past errors.

• The derivative term res...read more
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Q2. Previous work details
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Q3. Power curve of WECS
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The power curve of a Wind Energy Conversion System (WECS) shows the relationship between wind speed and power output.
• The power curve typically shows the rated power output at a certain wind speed, as well as the cut-in and cut-out speeds.

• It is important for optimizing the performance of the WECS and determining the best locations for installation.

• The shape of the power curve can vary depending on the type of wind turbi...read more
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Q1. Introduction urself
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Q2. Background and skills
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Q1. Voltage for motors
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Q2. Used to transfer billore
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Q3. Prafull billore- early Life, career, journey so far
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Q4. DC motor - 12to 24volt direct current Low voltage Servo motor -24to96 volt direct current Single phase motor-115to 230 volt 3phase motor- 230to 46o volt
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Q1. Tell me about yourself. What do you know about our company.
Ans. 
I am a detail-oriented and motivated individual with a strong interest in procurement. I have researched your company and admire your commitment to sustainability and innovation.
• Researched company website and social media platforms

• Noticed company's focus on sustainability and innovation

• Impressed by company's reputation in the industry
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Q2. Are you familiar with any ERP softwares. Are you comfortable with using Tools for data recording
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Yes, I am familiar with ERP software such as SAP and Oracle. I am comfortable using tools like Excel for data recording.
• Familiar with ERP software like SAP and Oracle

• Comfortable using tools like Excel for data recording
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1. General Aptitude & Reasoning + 2. Technical Question

Q1. Introduce yourself ?
Ans. 
I am a recent graduate with a degree in engineering, eager to learn and grow in a professional setting.
• Recent graduate with a degree in engineering

• Passionate about learning and growing in a professional setting

• Eager to apply my knowledge and skills in a practical environment
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Q2. What is Photosynthesis?
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Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll.
• Photosynthesis occurs in the chloroplasts of plant cells

• It involves the conversion of light energy into chemical energy

• Carbon dioxide and water are used to produce glucose and oxygen

• The overall chemical equation for photosynthesis is: 6CO2 + 6H2O + light energy -> C6H12O6 + 6O2
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Q3. How do you convert SGPA to Percentage
Ans. 
To convert SGPA to Percentage, multiply SGPA by 10.
• Multiply SGPA by 10 to get the percentage.

• For example, if SGPA is 8.5, the percentage would be 8.5 * 10 = 85%.
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Q4. Who is Electrical Engineering
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Electrical engineering is a field of engineering that deals with the study and application of electricity, electronics, and electromagnetism.
• Involves designing, developing, testing, and supervising the production of electrical equipment and systems.

• Requires knowledge of physics, mathematics, and engineering principles.

• Examples include designing power generation systems, developing communication systems, and creating el
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Q5. What made you to choose Electrical Engineering
Ans. 
Passion for understanding how electricity works and desire to contribute to technological advancements.
• Fascination with electricity and its applications

• Interest in solving complex problems related to power generation and distribution

• Desire to contribute to renewable energy and sustainability efforts

• Inspiration from successful electrical engineers like Nikola Tesla and Thomas Edison
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Generic questions , easy to solve.

Q1. Related to Heat Mass Transfer
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Q2. Related to electrical operations
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