Gautam Solar Technician Interview Questions and Answers

Q1. What is difference between earth and neutral ?
Ans. 
Earth is the connection between an electrical circuit and the ground, while neutral is the return path for current in a circuit.
• Earth is a safety measure to prevent electric shock and protect against electrical faults.

• Neutral carries the current back to the source in a circuit.

• Earth is typically connected to the ground through a grounding electrode.

• Neutral is usually connected to the center tap of a transformer.

• In a th...read more
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Solar industry relative question

Q1. What is principal working in ingot process?
Ans. 
Principal working in ingot process involves melting raw materials, pouring into molds, solidifying, and removing ingots for further processing.
• Melting raw materials such as metal or alloy in a furnace

• Pouring the molten material into molds to shape it into ingots

• Allowing the material to solidify and cool in the molds

• Removing the solidified ingots from the molds for additional processing or use
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Q2. What is material used in ingot process?
Ans. 
The material used in the ingot process is typically metal, such as aluminum, steel, or copper.
• Metal is the primary material used in the ingot process

• Common metals used include aluminum, steel, and copper

• The ingot process involves melting the metal and pouring it into molds to cool and solidify
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Q3. What is a CZ process?
Ans. 
CZ process stands for Chemical Mechanical Polishing or Chemical Mechanical Planarization, a process used in semiconductor manufacturing.
• CZ process involves using a combination of chemical and mechanical forces to polish a semiconductor wafer surface.

• It helps to achieve a flat and smooth surface necessary for creating precise semiconductor devices.

• Examples of CZ process equipment include CMP machines and slurries used f...read more
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Q4. How many times used making a one ingot ?
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The number of times used making a one ingot depends on the size of the ingot and the manufacturing process.
• The number of times a one ingot is used can vary depending on the size of the ingot and the specific manufacturing process.

• In some cases, a single ingot may be used multiple times to create different products.

• For example, in metal casting, an ingot may be melted down and poured into molds multiple times to create
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Production planning
HMI interface
Semiconductor related

Q1. Salary discuss
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Q1. Work releted questions
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Q2. Other work experience
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Q3. Your skills is best for company
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Q1. 5s, soler cell manufacturing
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Q2. Kizene, 5s, sop, quality, dipartment process
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OHT Detail & reinforcement deatail

Q1. Document deatils
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Q2. Where are you working
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Q1. How to improve Performance Ratio
Ans. 
To improve Performance Ratio, focus on optimizing system efficiency, reducing losses, and maximizing output.
• Optimize system design and operation to increase efficiency

• Reduce losses through better maintenance and monitoring

• Maximize output by utilizing advanced technologies and techniques
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Q2. What is Capacity utilization factor
Ans. 
Capacity utilization factor is a measure of how much of a system's capacity is being utilized.
• Capacity utilization factor is calculated by dividing the actual output by the maximum possible output.

• It is often expressed as a percentage.

• A high capacity utilization factor indicates efficient use of resources, while a low factor may suggest underutilization or inefficiency.

• For example, if a factory has a maximum output of ...read more
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Q1. What iS GHI & GTI , GPR
Ans. 
GHI stands for Gross Heating Input, GTI stands for Gross Thermal Efficiency, and GPR stands for Gross Production Rate.
• GHI is a measure of the total heat input to a system or appliance.

• GTI is a measure of the efficiency of converting input energy into useful output energy.

• GPR is a measure of the rate at which a system or appliance produces a certain output.
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Q2. How to improve the plant PR
Ans. 
Improving plant PR involves enhancing communication, community engagement, and sustainability efforts.
• Enhance communication with stakeholders through regular updates and transparent information sharing.

• Engage with the local community through events, workshops, and outreach programs to build positive relationships.

• Implement sustainable practices and showcase environmental initiatives to improve public perception.

• Utilize...read more
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