Saatvik Green Energy Assistant Manager Warehouse Interview Questions and Answers

Q1. What has been your experience as an electrical engineer, particularly with projects involving ground and rooftop installations over the past nine years?
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Q2. What is the process for project planning and establishing a timeline to complete the commission?
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Q3. What steps do you take to initiate project planning, ensure safety and quality during parallel checking, and complete the project within the timeline?
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Q4. What is involved in the ground project planning for cable laying, including the bidding process and preparation work?
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Easy test with simple questions

Q1. How do solar panels produce electricity
Ans. 
Solar panels convert sunlight into electricity through the photovoltaic effect.
• Solar panels are made up of photovoltaic cells that contain semiconductors like silicon.

• When sunlight hits the solar panel, the photons in the light are absorbed by the semiconductors.

• This absorption creates an electric current as the electrons in the semiconductors are excited and flow through the material.

• The flow of electrons generates el...read more
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Q2. Tell us about the company
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The company is a leading provider of electrical engineering solutions for various industries.
• Specializes in designing and implementing electrical systems for commercial and industrial buildings

• Offers services such as power distribution, lighting design, and energy efficiency consulting

• Works with clients in sectors like manufacturing, healthcare, and telecommunications

• Has a team of experienced electrical engineers and t...read more
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Q1. AC & DC
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Q2. Transformer Commissioning & Testing all Electrical work
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Q3. LT HT And power Cable All Canection
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Q4. Pilling MMS & IDT, Fencing , Road Greding Bursh Clening All Civil And Electrical Work
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Q5. Inverter SCB and String Monitoring
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Q1. Basic law of governing transformer
Ans. 
The basic law governing transformers is the law of electromagnetic induction.
• The law states that when the magnetic field around a conductor changes, an electromotive force (EMF) is induced in the conductor.

• This EMF can cause a current to flow if the conductor forms a closed loop.

• In a transformer, this principle is used to transfer electrical energy from one circuit to another through electromagnetic induction.

• The prima...read more
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Q2. What are various losses in transformer
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Various losses in a transformer include copper losses, iron losses, and stray losses.
• Copper losses occur due to resistance in the transformer windings.

• Iron losses, also known as core losses, occur due to hysteresis and eddy currents in the transformer core.

• Stray losses occur due to leakage flux and stray capacitance in the transformer.

• Copper losses and iron losses are the major contributors to total losses in a transfo...read more
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Q3. Difference between AC and DC
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AC and DC are two types of electrical current. AC changes direction periodically while DC flows in one direction.
• AC stands for Alternating Current and DC stands for Direct Current.

• AC changes direction periodically, typically in a sinusoidal waveform.

• DC flows in one direction only, maintaining a constant polarity.

• AC is used for power transmission over long distances due to its ability to be easily converted to different...read more
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Q4. What is mean by inverter and its basic working
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An inverter is a device that converts DC power to AC power.
• An inverter is commonly used in electrical systems to convert the direct current (DC) produced by sources such as batteries or solar panels into alternating current (AC) that can be used to power appliances and devices.

• The basic working principle of an inverter involves the use of electronic components such as transistors to switch the DC input on and off rapid...read more
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Q5. What all component are required in solar panel installation and brief them
Ans. 
Solar panel installation requires several components including solar panels, inverters, mounting systems, wiring, and electrical protection devices.
• Solar panels: These are the main components that convert sunlight into electricity.

• Inverters: They convert the direct current (DC) produced by solar panels into alternating current (AC) that can be used in homes or fed into the grid.

• Mounting systems: These are used to secur...read more
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Q6. What all various type of circuit breaker are there their uses and their rating.
Ans. 
There are various types of circuit breakers with different uses and ratings.
• Miniature Circuit Breaker (MCB) - used in residential and commercial buildings

• Molded Case Circuit Breaker (MCCB) - used in industrial applications

• Air Circuit Breaker (ACB) - used for high voltage applications

• Ground Fault Circuit Interrupter (GFCI) - used to protect against electrical shocks

• Residual Current Circuit Breaker (RCCB) - used to detec...read more
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Q7. Why you choose electrical engineering and what all project you has done and what are your final year project if you mention in resume.
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Q1. DFIG Generator?
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Q2. Dv/dt and du/dt filter?
Ans. 
dv/dt and du/dt filters manage voltage and current changes in electrical systems, ensuring stability and performance.
• dv/dt filter limits the rate of voltage change to protect components from voltage spikes.

• Example: Used in motor drives to prevent insulation breakdown.

• du/dt filter limits the rate of current change, reducing electromagnetic interference.

• Example: Commonly used in power electronics to enhance system reliab...read more
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Q3. Gearbox oil Grade ?
Ans. 
The gearbox oil grade is typically specified by the manufacturer based on the requirements of the gearbox.
• Gearbox oil grade is determined by the viscosity and additives needed for proper lubrication.

• Common gearbox oil grades include SAE 80, SAE 90, and SAE 140.

• Consult the manufacturer's specifications or maintenance manual for the recommended gearbox oil grade.
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Pitch convertor system,

Q1. Salary discussion
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Q1. WTG In Reduction
Ans. 
WTG In Reduction refers to Wind Turbine Generator efficiency improvements through various engineering techniques.
• Aerodynamic Optimization: Enhancing blade design to improve lift-to-drag ratio, resulting in better energy capture.

• Control Systems: Implementing advanced control algorithms to optimize turbine performance under varying wind conditions.

• Gearbox Improvements: Using high-efficiency gearboxes to reduce mechanical...read more
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Q2. Inox wtg issue major component
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Inox wind turbine generators (WTGs) face issues primarily related to corrosion, mechanical wear, and electrical failures.
• Corrosion Resistance: Inox WTGs are designed with stainless steel to resist corrosion, but environmental factors can still lead to degradation over time.

• Mechanical Wear: Components like bearings and gearboxes may experience wear due to continuous operation, necessitating regular maintenance and repla...read more
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Q1. Inox wtg most failure generator bearing
Ans. 
Inox wind turbine generators often face bearing failures due to various operational and environmental factors.
• Lubrication Issues: Insufficient or contaminated lubrication can lead to increased friction and wear, causing premature bearing failure.

• Misalignment: Improper alignment of the generator shaft can create uneven loads on the bearings, leading to damage over time.

• Vibration: Excessive vibration from the turbine or ...read more
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Q2. I am interested over change me and
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Q3. Best company insanewin
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Q1. About solar technical
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Q2. About communication skills
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Q3. About your knowledge
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