Greenko Group Interview Questions, Process, and Tips

Q1. Personal questions
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Q2. Name and other details
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Maths or technical round

It was a discussion of my previous job

Q1. In the technical round most of the questions was job related
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Q2. Yes most of the question are previous job related , So be prepared for this question
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Q3. If you are new joinee please have some technical knowledge with IT related or many more.
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Q1. Mostly there are discussing about salary
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Q1. What is the function of DFIG generator?
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DFIG generator stands for Doubly Fed Induction Generator, used in wind turbines for variable speed operation.
• DFIG generator is a type of induction generator used in wind turbines.

• It allows for variable speed operation, improving efficiency and power quality.

• DFIG generator has two sets of windings - stator windings connected directly to the grid and rotor windings connected through a converter.

• The converter controls the...read more
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Q2. What is difference between synchronous and asynchronous generator?
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Synchronous generators produce power at a constant frequency, while asynchronous generators do not require synchronization with the grid frequency.
• Synchronous generators have a fixed magnetic field and produce power at a constant frequency.

• Asynchronous generators do not need to be synchronized with the grid frequency and can operate at variable speeds.

• Synchronous generators are typically used in power plants, while asy...read more
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Q1. Tell about gear
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Gear is a mechanical device that transmits rotational motion and torque between two or more rotating parts.
• Gears are used in various applications such as automobiles, machinery, and clocks.

• They consist of toothed wheels that mesh together to transmit power.

• Gears can change the speed, direction, and torque of rotational motion.

• Different types of gears include spur gears, helical gears, bevel gears, and worm gears.

• Gears ...read more
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Q2. Tell about wind turbines
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Wind turbines are devices that convert wind energy into electrical energy.
• Wind turbines consist of a tower, rotor, blades, and a generator.

• The rotor and blades capture the kinetic energy of the wind.

• The generator converts the mechanical energy into electrical energy.

• Wind turbines are commonly used to generate renewable energy.

• They are often found in wind farms, both onshore and offshore.

• The size of wind turbines can va...read more
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Q3. What ie renewable energy
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Renewable energy is energy that is generated from natural resources that are constantly replenished, such as sunlight, wind, and water.
• Renewable energy is derived from sources that are naturally replenished

• It is a sustainable and clean source of energy

• Examples of renewable energy sources include solar power, wind power, hydroelectric power, and geothermal energy

• Renewable energy helps reduce greenhouse gas emissions and...read more
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Q1. What was you think about company
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Q2. Where do you think it is you capable for thish job
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