CleanMax Enviro Energy Solutions Interview Questions and Answers

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
Ans. 
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. What is net metering
Ans. 
Net metering is a billing arrangement that allows solar panel owners to receive credit for excess electricity they generate and send back to the grid.
• Net metering is a policy that allows solar panel owners to receive credit for excess electricity they generate.

• The excess electricity is sent back to the grid, and the owner receives a credit on their electricity bill.

• Net metering helps promote the use of renewable energy...read more
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Q2. Where do you see yourself in 5 years
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Q3. What languages do you speak
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I am fluent in English and Spanish.
• Fluent in English and Spanish

• Can communicate effectively in both languages
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Q1. Basic law of governing transformer
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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
Ans. 
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
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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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