Nainko Exim Electrical Technician Interview Questions and Answers

Q1. Electrical and electronic related trade
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Q2. Engeneering drowing
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Q3. Swich gair and production
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Q4. Renewable sorse of energy
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Renewable energy sources are sources of energy that are replenished naturally, such as sunlight, wind, and water.
• Solar energy: harnessing sunlight to generate electricity

• Wind energy: using wind turbines to convert wind into electricity

• Hydropower: generating electricity from flowing water in rivers or dams

• Biomass: using organic materials like wood or agricultural waste to produce energy

• Geothermal energy: tapping into he
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Q1. Electrical and electronic related trade
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Technical questions (be prepared)

Q1. Basic laws like right hand thumb rule
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Q2. Questions related to Electrical Machines
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Q1. Your personal information
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Q2. Why did you choose Electrical Engineering?
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I chose Electrical Engineering because of my passion for understanding and working with technology.
• Fascination with technology and how things work

• Interest in problem-solving and innovation

• Desire to contribute to advancements in the field

• Enjoyment of hands-on projects and experimentation
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Q1. You have any experience
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Q2. No, I didn't have any experience
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71.72% in electrical engineering diploma

Q1. What is Transformer?
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A transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction.
• Consists of two coils of wire, known as primary and secondary coils

• Works on the principle of electromagnetic induction

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

• Commonly used in power distribution systems
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Q2. What is transformer Protection
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Transformer protection refers to the measures taken to prevent damage to transformers from faults or abnormal operating conditions.
• Transformer protection devices include overcurrent relays, differential relays, and Buchholz relays.

• Overcurrent relays protect against overloads and short circuits.

• Differential relays compare the current entering and leaving the transformer to detect internal faults.

• Buchholz relays detect g...read more
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Q1. Electrical engineering
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Q2. Electrical motor
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Q3. Electrical equipment
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Q1. Electrical maintenance
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Q2. Electrical motor
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Q1. Simple question like your which subject best and why you are choice Trade
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Q2. Personal question about family and College life what is achievement
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Q3. Why your are join is this company
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Q4. Which products make
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Electrical engineers work on a wide range of products including consumer electronics, power systems, communication devices, and more.
• Consumer electronics such as smartphones, laptops, and TVs

• Power systems including generators, transformers, and distribution systems

• Communication devices like routers, modems, and cell phones
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Q1. What is transformer? How many types of transformer, nd works, construction
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A transformer is an electrical device that transfers electrical energy from one circuit to another through electromagnetic induction.
• Transformers are used to increase or decrease the voltage of an alternating current (AC) power supply.

• There are two main types of transformers: step-up transformers and step-down transformers.

• Step-up transformers increase the voltage of the input power supply, while step-down transformers...read more
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Q2. Waht is single phase induction motor and 3phase induction motor, working
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Q3. Circuit Breaker, relays, fault, lighting arresters
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Q4. Refrigerator working
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