3i Energy Solutions Electrical Project Engineer Interview Questions and Answers

Q1. Introduction of basic electricals
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Q2. How wind turbine opearates
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Wind turbines operate by converting the kinetic energy of wind into mechanical power, which is then converted into electricity.
• Wind turns the blades of the turbine, causing them to spin

• The spinning blades turn a shaft connected to a generator

• The generator converts the mechanical energy into electrical energy

• The electricity is then sent to the power grid for distribution

• Wind speed and direction are monitored to optimize
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Q1. Like what is your work experience. Are you willing to climb twice in a day .
Ans. According to your experience needs to give answers Second question- yes
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Q2. Are you willing to work if require to support near by site .
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Q1. As per your experience as previous company they asked questions, but more focos on safety .
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Q2. What is LOTO , Types of LOTO
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LOTO stands for Lockout/Tagout, a safety procedure used to ensure that dangerous machines are properly shut off and not started up again prior to the completion of maintenance or servicing work.
• LOTO involves locking the energy isolating devices with an assigned individual lock and tag to prevent the machine from being turned on.

• Types of LOTO include electrical LOTO, mechanical LOTO, and pneumatic LOTO.

• Examples of LOTO ...read more
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Q1. Previous experiences questions, like DFIG , Converter system, power factor , transformer , lighting system, Earthing system .
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Q1. Salary discussion and joining details
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Q1. What is the Transformer
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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 receives electrical energy and creates a magnetic field

• Magnetic field induces a voltage in the secondary coil, transferring energy

• Used in power distribution, voltage regulation, and electrical isolation
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Q2. Electrical 8 equipment
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It was very easy ,duration 45 min for 30 questions

Q1. It was of moderate level 2-3 questions
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Q2. What is your name
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Q1. All electrical panel HT <
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Q1. Electrical based
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Q2. Floor maintenance equipments
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Q3. Critical questions
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Q4. Ups , pac , rodents, wld , FHC , MCP , FAS
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Q5. FM 2000 , Battery, All panel realated
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Q1. 1.cable tery type. 2. Test perfom at C.T 3. HT and LT bracker 4.SeF Ref protection
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Q2. Type of cable tray and their saport
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Different types of cable trays include ladder, perforated, solid bottom, wire mesh, and trough.
• Ladder cable trays have horizontal cross members resembling a ladder.

• Perforated cable trays have small holes for ventilation and drainage.

• Solid bottom cable trays have a solid base for supporting cables.

• Wire mesh cable trays have a grid-like structure for easy cable installation.

• Trough cable trays have a U-shaped design for c
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Q3. Rule of cable laying.
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The rule of cable laying involves proper planning, routing, securing, and labeling of cables to ensure safety and efficiency.
• Plan the cable routes to avoid interference with other systems or equipment.

• Secure cables properly to prevent damage or accidents.

• Label cables clearly for easy identification and maintenance.

• Follow local regulations and standards for cable laying practices.

• Consider factors like cable length, bend...read more
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Q4. What is anty carosan pest
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Anticarsia gemmatalis, also known as the velvetbean caterpillar, is a common pest in agriculture.
• Anticarsia gemmatalis is a species of moth in the family Erebidae.

• It is a major pest of soybean crops, feeding on the leaves and causing significant damage.

• Control measures for velvetbean caterpillars include biological control agents, insecticides, and crop rotation.

• Monitoring for early signs of infestation can help preven
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Q5. Tell about GA drawings
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General Arrangement drawings show the overall layout of electrical systems in a building or structure.
• GA drawings provide an overview of the entire electrical system layout

• They include details such as equipment locations, cable routing, and connection points

• These drawings are essential for understanding the overall design and installation of electrical systems

• Examples of GA drawings include floor plans with electrical ...read more
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Q1. About ourself- introduction
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Q1. Knowledge about MCCB,MPCB,dialux software,DOL Starters etc.
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Q1. Maximum power capacity of project handled
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Handled projects with power capacity up to 500 MW
• Managed electrical design and installation for power plants with capacity up to 500 MW

• Oversaw testing and commissioning of electrical systems for large-scale industrial projects

• Implemented energy-efficient solutions to optimize power usage and reduce costs

• Collaborated with cross-functional teams to ensure project timelines and budgets were met
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