Cotmac Electronics Electrical Design Engineer Interview Questions and Answers for Experienced

About power system control system

Present trends and tgey willgive 10 min to think and note down

Q1. About resume get good knowledge of what you have put in resume
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Q2. And basic electricals
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Q1. What is your work Nature
Ans. 
As an Electrical Design Engineer, I focus on creating and optimizing electrical systems and components for various applications.
• Design electrical circuits and systems, such as power distribution networks.

• Use software tools like AutoCAD and MATLAB for simulations and designs.

• Collaborate with cross-functional teams to ensure design feasibility.

• Conduct testing and troubleshooting of electrical systems to ensure compliance...read more
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Q2. Describe your technical knowledge
Ans. 
I possess extensive knowledge in electrical design, including circuit analysis, power systems, and compliance with industry standards.
• Proficient in circuit design using software like AutoCAD and MATLAB.

• Experience in power distribution systems, ensuring efficiency and reliability.

• Knowledge of industry standards such as IEC, IEEE, and NEC for compliance.

• Skilled in troubleshooting and optimizing electrical systems for per...read more
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30min test from core subject

Usual GD on a relevant topic, everyone gets the opportunity to talk. Make relevant points and stick on to your opinion.

Q1. Complex technical questions from core subjects, application level questions should be expected.
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Q1. MR+HR round combined.
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Q1. Question on Autocad
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Q2. Question on Automatic Transfer Switch
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Q3. Typer of Automatic Transfer switch
Ans. 
Automatic Transfer Switches are devices used to automatically switch power sources in case of a power outage.
• Types of automatic transfer switches include open transition, closed transition, and delayed transition.

• Examples of automatic transfer switch manufacturers include Generac, Eaton, and Schneider Electric.

• Automatic transfer switches are commonly used in backup power systems for critical facilities like hospitals,
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Q4. Purge command, layers
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Q5. Load bank related questions
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Q1. Power factor correction
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Q2. Working of circuit breaker
Ans. 
Circuit breakers are electrical switches designed to protect electrical circuits from damage caused by overload or short circuit.
• Circuit breakers automatically trip when they detect an overload or short circuit in the electrical system.

• They interrupt the flow of electricity to prevent damage to the circuit or electrical devices.

• Circuit breakers can be reset manually after tripping to restore power to the circuit.

• There ...read more
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Q1. Protection of drives & Plc . Switchgear selection, logistics automation
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Q1. Communication skills
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Q1. Tell me about your self ?
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Q2. Brief the project completed by you in your college?
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Q1. Working of Transmission shaft in automobile?
Ans. 
Transmission shaft in automobiles transmits power from the engine to the wheels.
• Transmits power from the engine to the wheels

• Helps in changing the speed and torque of the vehicle

• Connects the engine to the wheels through the gearbox and differential

• Can be a single-piece shaft or a two-piece shaft in some vehicles
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Q2. Ackreman steering system in present scenario?
Ans. 
Ackerman steering system is still widely used in modern vehicles for better maneuverability and turning radius.
• Ackerman steering geometry ensures that all wheels follow different turning radii during a turn

• It helps in reducing tire wear and improving vehicle stability during turns

• Modern vehicles like sports cars, trucks, and even some electric vehicles still use Ackerman steering system
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Q3. How Steering system work in automobile?
Ans. 
The steering system in automobiles allows the driver to control the direction of the vehicle by turning the front wheels.
• The steering wheel is connected to the steering column, which is connected to the steering gear.

• The steering gear translates the rotational motion of the steering wheel into lateral motion of the front wheels.

• There are different types of steering systems such as rack and pinion, recirculating ball, a...read more
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Q4. You done your Training at Skoda Pvt Ltd, what was you trained there ?
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