RAMCO GROUP TEXTILE DIVISION Electrical Engineer Interview Questions and Answers

Q1. What is alternator
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Q2. What is battery
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Q3. How car works
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Q1. Salary expectation
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Q2. Last working day
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Q1. What is plc. Draw structure diagram.
Ans. 
PLC stands for Programmable Logic Controller, used in industrial automation to control machinery and processes.
• PLC is a digital computer used for automation of electromechanical processes.

• It uses a programmable memory to store instructions and specific functions.

• PLCs are commonly used in manufacturing plants, assembly lines, and other industrial settings.

• They can be programmed using ladder logic, function block diagram...read more
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Q2. What are different types of communication cable used in your industry.
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Different types of communication cables used in the electrical engineering industry include coaxial cables, twisted pair cables, and fiber optic cables.
• Coaxial cables: used for high-frequency transmission and commonly used in cable television and computer networks.

• Twisted pair cables: consists of pairs of insulated copper wires twisted together to reduce electromagnetic interference, commonly used in Ethernet networks.

• ...read more
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Q3. Difference between single mode and multimode fiber optic cable.
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Single mode fiber optic cable has a smaller core size and allows only one mode of light to propagate, while multimode fiber optic cable has a larger core size and allows multiple modes of light to propagate.
• Single mode fiber optic cable has a core size of 8-10 microns, while multimode fiber optic cable has a core size of 50-62.5 microns.

• Single mode fiber optic cable provides higher bandwidth and longer transmission dis...read more
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Q4. Types of transformer
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Types of transformers include step-up, step-down, isolation, autotransformer, and distribution transformers.
• Step-up transformer increases voltage output

• Step-down transformer decreases voltage output

• Isolation transformer provides electrical isolation between primary and secondary windings

• Autotransformer has a single winding with multiple taps for different voltage levels

• Distribution transformer is used to distribute pow
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Q5. Protection system used for transformer
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Protection system for transformers includes Buchholz relay, differential protection, overcurrent protection, and temperature monitoring.
• Buchholz relay detects internal faults like gas accumulation or oil leakage

• Differential protection compares currents entering and leaving the transformer to detect faults

• Overcurrent protection safeguards against excessive current flow

• Temperature monitoring ensures the transformer opera
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Q6. Maintenance of Transformer and motor
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Regular maintenance of transformers and motors is crucial for ensuring optimal performance and preventing breakdowns.
• Regularly inspecting for signs of wear and tear

• Checking and replacing worn out parts such as brushes and bearings

• Testing insulation resistance

• Cleaning and lubricating moving parts

• Monitoring temperature and vibration levels

• Following manufacturer's maintenance guidelines

• Keeping records of maintenance activ
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Q7. Differential protection of transformer
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Differential protection of transformer ensures that any internal fault is quickly detected and isolated to prevent damage.
• Differential protection compares the current entering and leaving the transformer windings. If there is a difference, it indicates a fault.

• The relay used for differential protection operates when the difference in current exceeds a set threshold.

• This protection scheme is effective in detecting inter...read more
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Q8. Ten delta test of transformer
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Ten delta test is a method used to determine the phase relationship between the primary and secondary windings of a transformer.
• Ten delta test involves injecting a low voltage signal into the primary winding and measuring the corresponding output in the secondary winding.

• The test helps in identifying any phase shift or angular displacement between the primary and secondary windings.

• It is important for ensuring the prop...read more
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Q1. Transformers all parts
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Q2. Ht line lt and
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Q1. Electrical all equipment
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Q2. Stepup setpdown
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Some questions time,speed,distance ,averages,technical questions related to your branch

Q1. Tell me about yourself
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Q2. Technical questions from my electrical branch the topics are based on subjects they are power systems,machines,power electronics.
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Q1. Tell me about yourself
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I am a dedicated Electrical Engineer with a passion for problem-solving and innovation.
• Graduated with a degree in Electrical Engineering from XYZ University

• Experienced in designing and implementing electrical systems for commercial buildings

• Proficient in using CAD software for schematic design

• Strong analytical skills and attention to detail

• Completed internships at ABC Company and gained hands-on experience
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Q2. How did you celebrated holi,what do you know about cyient.
Ans. 
I celebrated Holi with my family and friends by playing with colors and enjoying traditional food. I know that Cyient is a global engineering and technology solutions company.
• Celebrated Holi with family and friends

• Played with colors and enjoyed traditional food

• Cyient is a global engineering and technology solutions company
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Q1. Company sai related
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Q2. Technical questions
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Q3. Nokia company sai related questions
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Q4. About the machine
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Q5. Nokia sai similar
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Q6. Company sai similar
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The subjects of study include Physics, Chemistry, and Mathematics.

Q1. What technical questions were asked during the interview?
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Q2. What is the process of interviewing?
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Q1. What are the different types of interviewing techniques?
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Basic appti ques were asked

Q1. Basic knowledge about electrical engineering is must to clear it
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Q2. What is transformer types
Ans. 
Transformer types include step-up, step-down, isolation, autotransformer, and instrument transformer.
• Step-up transformer increases voltage while decreasing current

• Step-down transformer decreases voltage while increasing current

• Isolation transformer separates primary and secondary windings

• Autotransformer has a single winding with multiple taps for voltage adjustment

• Instrument transformer is used for measuring current or
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Q3. Motors & it's types
Ans. 
Motors are devices that convert electrical energy into mechanical energy. There are various types of motors.
• DC motors: used in appliances, toys, and automobiles

• AC motors: used in industrial machinery and household appliances

• Stepper motors: used in robotics and automation

• Servo motors: used in precision control applications

• Brushless motors: used in drones and electric vehicles
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