Greenko Group Lab Technician Interview Questions and Answers

Q1. Your experience for ask me ? My answer 5 years experience
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Q2. Your 12month working no problem yes or no ask ? I am asking no problem I am working for full 1 year
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Q3. Wind power any experience asking?
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Q4. You torking and service work experience and Blade ripearing any experience
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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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Q1. Working base questions
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Q2. 5 s mainten in daily basis in work
Ans. 
Performing 5 seconds maintenance tasks on a daily basis at work.
• Performing regular maintenance tasks can help prevent equipment breakdowns and prolong their lifespan.

• Examples of 5-second maintenance tasks include wiping down equipment, checking for loose screws, and clearing debris.

• By incorporating these tasks into a daily routine, employees can ensure that equipment is functioning properly and avoid costly repairs.

• Reg...read more
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Q1. Wind Blade manufacturing process Type of row material
Ans. 
The raw material for wind blade manufacturing is primarily fiberglass and resin.
• Fiberglass is a composite material made of glass fibers and resin.

• The resin is typically a thermosetting polymer that hardens when cured.

• Other materials such as carbon fiber, balsa wood, and foam may also be used in the manufacturing process.

• The raw materials are layered and molded into the desired shape of the wind blade.

• The manufacturing ...read more
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Q2. Preelpy gsm release foil
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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?
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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?
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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 ?
Ans. 
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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About the T.B.T.& P.T.W.
About the Module, SCB, Cables ,Inverter, IDT ,HT-LT Panel ,ICOG Panel And Other Electrical Elements and all block successfully charged

Cable colour coding
All panel wiring & wiring coding

Q1. Which device to use for testing insulation?
Ans. 
A megohmmeter is used for testing insulation.
• A megohmmeter, also known as an insulation tester, is used to measure the resistance of insulation materials.

• It applies a high voltage to the insulation and measures the current flowing through it.

• The results help determine if the insulation is in good condition or if there are any faults or leaks.

• Megohmmeters are commonly used in electrical and electronic industries to ensu...read more
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