Greenko Group Post Graduate Engineer Trainee Interview Questions and Answers

They ask normal multiple. Hoi e question from you subjects and some aptitude questions

Q1. What is induction motor ?
Ans. 
An induction motor is a type of AC motor where power is supplied to the rotor by electromagnetic induction.
• Induction motors are commonly used in various applications such as pumps, fans, compressors, and conveyor systems.

• They do not require any physical connection between the rotor and the stator.

• The speed of an induction motor is determined by the frequency of the AC power supply and the number of poles in the motor.

• T...read more
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Q2. What is relay ?
Ans. 
A relay is an electrically operated switch that uses an electromagnet to mechanically control the switching of a circuit.
• Relays are commonly used in control circuits to switch high power loads with a low power signal.

• They consist of a coil, armature, and contacts.

• When the coil is energized, the armature is attracted to the coil, closing the contacts and completing the circuit.

• Relays can be used for various applications...read more
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Q3. What is transformer ?
Ans. 
A transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction.
• Consists of two or more coils of insulated wire wound around a core

• Primary coil receives electrical energy and induces a magnetic field in the core

• Secondary coil receives energy from the magnetic field and transfers it to the load

• Used to step up or step down voltage levels in electrical systems

• Examp...read more
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Q4. How can you give supply to inverter
Ans. 
Supply to inverter can be given through a power source such as a battery or solar panel.
• Connect the inverter to a power source such as a battery or solar panel

• Ensure the power source has the appropriate voltage and current rating for the inverter

• Use appropriate cables and connectors to establish the connection

• Regularly monitor the power source to ensure continuous supply to the inverter
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Q1. About family background
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Q2. What is your Hobbies ?
Ans. 
My hobbies include playing guitar, hiking, and reading science fiction novels.
• Playing guitar: I enjoy learning new songs and practicing different techniques.

• Hiking: I love exploring nature trails and challenging myself with long hikes.

• Reading science fiction novels: I find it fascinating to immerse myself in futuristic worlds and imaginative stories.
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Q1. Tell about yourself Material used in indistry
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Q1. How you manage your client
Ans. 
I manage my clients by building strong relationships, understanding their needs, and providing excellent customer service.
• Regular communication to ensure their needs are being met

• Personalized service tailored to their specific requirements

• Promptly addressing any concerns or issues that may arise

• Going above and beyond to exceed their expectations

• Keeping track of important details and preferences to provide a seamless ex
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Online exam
Level of questions were moderate

Online
Topics were basic

Aptitude and Technical Related your Core Branch

Q1. Tell me about your brief Introduction
Ans. 
I am a recent graduate with a strong academic background and a passion for learning and development.
• Recent graduate with a Bachelor's degree in Engineering

• Strong academic performance with a GPA of 3.8

• Completed internships at two leading engineering firms

• Passionate about continuous learning and professional growth

• Excellent problem-solving and analytical skills

• Strong communication and teamwork abilities
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Q2. Your weakness and Strongness
Ans. 
My weakness is that I tend to be too detail-oriented, but my strength is my ability to analyze complex problems.
• Weakness: Being too detail-oriented can sometimes slow down my work progress.

• Strength: I have a strong analytical mindset and can effectively break down complex problems into manageable parts.

• Example: In my previous internship, I was assigned a project that required analyzing a large dataset. My attention to ...read more
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Q3. Your Hobbies , why did we hire your and what is my expectations about you
Ans. 
My hobbies include reading, playing sports, and learning new skills. I believe you hired me because of my strong educational background and relevant experience. Your expectations of me are to contribute effectively to the team, learn and grow in the role, and deliver high-quality work.
• Hobbies: reading, playing sports, learning new skills

• Strong educational background

• Relevant experience

• Contribute effectively to the team

• L...read more
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Q1. Give a brief introduction about your self about your education, your achievements, field training and tell about where do you see yourself after 5 yrs.
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Q2. Question related to my branch (civil engineering) 1 What do you mean by RCC ? 2 Enlist the loads considered while designing the RCC structure ? 3 what do you mean by effective depth and effective cover ? 4...read more
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Q1. Related from basic electricals engineering
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Q2. Related from basic electronics subject
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Q3. Related Transmission and distribution line
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Q4. Power factor.speed control of dc motor
Ans. 
Power factor and speed control are important aspects of DC motor operation.
• Power factor is the ratio of real power to apparent power and affects the efficiency of the motor.

• Speed control can be achieved through varying the armature voltage or field current.

• Methods of speed control include rheostat control, voltage control, and pulse width modulation.

• Improving power factor can be done through the use of capacitors or sy...read more
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Q5. Transformers. Circuit breaker and relay
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Q6. Chopper.diode. gate. hydro Power plant.nuclear power plants.national thermal Power plant
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