Yokohama Electrical Technician Interview Questions and Answers

Q1. They are asked about previous working experience
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Q2. U and ur self employed
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Q1. Least count of vernier
Ans. 
The least count of a vernier scale is the smallest measurement that can be read on the scale.
• The least count is determined by the number of divisions on the main scale and the vernier scale.

• It is calculated as the difference between one main scale division and one vernier scale division.

• For example, if the main scale has divisions of 1 mm and the vernier scale has 10 divisions between two main scale divisions, the leas
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Q2. Least count of micro meter
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The least count of a micrometer is the smallest measurement that can be read on the scale of the micrometer.
• The least count of a micrometer is typically 0.01 mm or 0.001 mm, depending on the type of micrometer.

• To determine the least count, divide the smallest division on the scale by the number of divisions on the circular scale.

• For example, if the smallest division on the scale is 0.1 mm and there are 100 divisions on...read more
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Q1. General experience
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Q2. Skills and technical knowledge
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Q3. What have you worked on in your career
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I have worked on various electrical engineering projects, focusing on renewable energy systems and automation technologies.
• Designed and implemented a solar power system for a residential building, increasing energy efficiency by 30%.

• Developed an automated control system for a manufacturing plant, reducing downtime by 15%.

• Conducted research on smart grid technologies, contributing to a project that improved energy distr...read more
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What tools and equipment do you consider essential to your work as an electrician ?

Are responsible for maintaining the equipment and processes that help a business run .

Q1. How can handle the wagons malfunctioning
Ans. 
I handle wagon malfunctions by identifying the issue, troubleshooting, and repairing the problem efficiently to minimize downtime.
• Conduct a thorough inspection to identify the root cause of the malfunction

• Utilize diagnostic tools and equipment to troubleshoot the issue

• Follow maintenance manuals and guidelines for proper repair procedures

• Prioritize safety protocols while working on the wagons

• Communicate effectively with...read more
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Q2. How can handle the paint shop conveyor breakdown
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To handle a paint shop conveyor breakdown, I would first assess the issue, troubleshoot the problem, repair or replace faulty parts, and ensure proper maintenance to prevent future breakdowns.
• Assess the issue by checking for any visible damage or obstructions on the conveyor

• Troubleshoot the problem by testing different components such as motors, belts, and sensors

• Repair or replace faulty parts as needed to restore the ...read more
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Q1. What is the relationship between Electrical and Electronics?
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Electrical engineering deals with power generation, transmission, and distribution, while electronics engineering focuses on electronic devices and circuits.
• Electrical engineering deals with power generation, transmission, and distribution

• Electronics engineering focuses on electronic devices and circuits

• Both fields are closely related and often overlap in areas such as control systems and telecommunications

• Understandin...read more
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Q1. What is transformer?
Ans. 
A transformer is an electrical device that transfers electrical energy between circuits through electromagnetic induction.
• Transforms voltage levels: steps up or steps down voltage.

• Consists of primary and secondary coils wound around a core.

• Used in power distribution systems to manage voltage levels.

• Example: A step-down transformer reduces 220V to 12V for household appliances.

• Efficiency is high, typically above 95%.
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Q2. What is three phase motor
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A three-phase motor is an electric motor powered by three-phase alternating current, providing efficient and reliable operation.
• Consists of three windings, each 120 degrees apart in phase.

• Commonly used in industrial applications for its efficiency.

• Examples include pumps, fans, and conveyor systems.

• Offers higher power density and smoother operation compared to single-phase motors.

• Can be either synchronous or asynchronou
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