Vishay Siliconix Interview Questions and Answers

Q1. Modulation index is a measure of _________
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Q2. Methods to reduce harmonics in induction motor
Ans. 
Methods to reduce harmonics in induction motor include using passive filters, active filters, and multi-pulse converters.
• Use passive filters such as LC filters to reduce harmonics in induction motor

• Utilize active filters like active power filters to eliminate harmonics

• Implement multi-pulse converters such as 12-pulse or 24-pulse converters to reduce harmonics

• Ensure proper grounding and shielding to minimize harmonics
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Q1. Where do you see your self in 5 years.
Ans. 
In 5 years, I see myself as a senior electrical engineer leading a team on innovative projects.
• Leading a team of engineers on innovative projects

• Advancing to a senior electrical engineer role

• Continuing professional development and learning new technologies

• Contributing to the growth and success of the company
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Q2. Explain about your project?
Ans. 
My project involved designing and implementing a smart home automation system using IoT technology.
• Utilized sensors to detect motion, temperature, and light levels in different rooms

• Developed a mobile application to remotely control devices such as lights, thermostats, and security cameras

• Integrated voice control using virtual assistants like Amazon Alexa or Google Assistant

• Implemented machine learning algorithms to pr...read more
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Q3. Explain about your internship?
Ans. 
During my internship, I gained hands-on experience in designing and implementing electrical systems.
• Worked on various projects involving circuit design and troubleshooting

• Assisted in testing and analyzing electrical components

• Collaborated with engineers to develop solutions for technical challenges
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Q1. Draw the phsor diagram of induction motor?
Ans. 
Phasor diagram of an induction motor shows the relationship between the stator and rotor currents and voltages.
• The phasor diagram typically includes the stator current, rotor current, stator voltage, and rotor voltage.

• The angle between the stator current and stator voltage represents the power factor.

• The angle between the stator current and rotor current represents the slip of the motor.

• The phasor diagram helps in unde...read more
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Q2. Torque equation of induction and explain
Ans. 
The torque equation of induction is used to calculate the torque produced in an induction motor.
• The torque equation of induction is given by T = (3 * V^2 * R2) / (s * X2)

• Where T is the torque, V is the voltage, R2 is the rotor resistance, s is the slip, and X2 is the rotor reactance

• This equation helps in understanding the relationship between voltage, resistance, reactance, and slip in determining the torque produced i
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Q1. What is the difference between a diesel engine and a petrol engine?
Ans. 
Diesel engines use compression ignition while petrol engines use spark ignition.
• Diesel engines use compression ignition, where the fuel-air mixture is compressed until it spontaneously ignites.

• Petrol engines use spark ignition, where a spark plug ignites the fuel-air mixture.

• Diesel engines are more fuel efficient and have higher torque, while petrol engines have higher power output and smoother operation.

• Diesel engines...read more
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Q2. What is a four-stroke engine?
Ans. 
A four-stroke engine is an internal combustion engine that completes four separate strokes (intake, compression, power, exhaust) in two crankshaft revolutions.
• Intake stroke: Fuel and air are drawn into the combustion chamber.

• Compression stroke: The fuel-air mixture is compressed by the piston.

• Power stroke: The spark plug ignites the mixture, causing an explosion that drives the piston down.

• Exhaust stroke: The piston pu...read more
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Q3. How many types of break
Ans. 
There are two main types of breaks: planned breaks and unplanned breaks.
• Planned breaks are scheduled breaks that are typically taken during designated times, such as lunch or coffee breaks.

• Unplanned breaks are unexpected interruptions in work, such as equipment malfunctions or emergencies.

• Examples: lunch break, coffee break, equipment malfunction causing downtime
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Q4. What is ABS system
Ans. 
ABS system stands for Anti-lock Braking System, a safety feature in vehicles to prevent wheels from locking up during braking.
• ABS system helps maintain steering control during emergency braking

• It prevents skidding and allows the driver to maintain control of the vehicle

• ABS system works by modulating brake pressure to individual wheels

• Commonly found in modern vehicles for enhanced safety

• Example: When braking hard on a s...read more
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Q5. What is carborator
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A carburetor is a device in an internal combustion engine that mixes air with a fine spray of liquid fuel.
• Carburetors are used in older vehicles to control the air-fuel mixture for combustion

• They have been largely replaced by fuel injection systems in modern vehicles

• Carburetors have components such as throttle, choke, and jets to regulate fuel flow

• Examples of vehicles with carburetors include classic cars and motorcycl
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Q1. How to use wire tiper and grimper
Ans. 
Wire tiper and crimper are tools used to strip and crimp wires for electrical connections.
• Use wire stripper to remove insulation from the end of a wire by placing it in the cutting jaws and squeezing the handles.

• Use wire crimper to attach a connector to the stripped end of the wire by placing the connector in the crimping jaws and squeezing the handles.

• Ensure the wire is stripped to the correct length before crimping t...read more
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Q2. How to identify simples and understand drawing which simple which metrial
Ans. 
Identifying simples and understanding drawings is crucial for Panel Wireman.
• Study the drawing carefully to identify different components and materials used

• Refer to the legend or key provided in the drawing for symbols and materials

• Consult with supervisors or experienced colleagues for clarification if needed

• Use measuring tools to verify dimensions and materials specified in the drawing

• Attend training sessions or worksh...read more
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Q1. Family how many persons
Ans. 
I have a family of 4 persons including myself.
• My family consists of 4 members

• This includes myself and 3 other family members

• We are a family of 4
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Q2. Before which company you done out work
Ans. 
I have worked for ABC Company and XYZ Company in the past.
• Worked for ABC Company as a Panel Wireman

• Also worked for XYZ Company on various projects
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Q1. Questions related to procedure like exception handing.
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Q2. Difference between function and procedure
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Q3. Explain O2C process
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Q4. Tables used in Order Management
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Q5. Major Report and form you have worked on.
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Q6. Explain the recent report you have worked on? what are the requirement and what chananges you faced.
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Q7. Question related to report builder, form builder, RTF, form Personalization
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Q1. Your introduction
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Q2. Why do you want to switch
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Q3. Do you have problem in doing repeated task
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Q4. What are the challeneges you faced in last position
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Q5. How big is your team and what do you think about them
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Q6. Is there anything you want to ask
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Q7. Is there anything you want us to know about you
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Q8. What is your approch when you encounter an issue
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Q9. Question were all about testing and knowing your behaviour, skills, communication, problem solving abilities and how well you would fit within the organization
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There were 20-30 question, thought i dont remeber the exact number. they covered topics like problem solving, time, compound interest, ratio, age and the last question was about creating a test case.

Q1. This was the final round, began with the introduction and questions about my currect job profile. then they provided a comrehensive overview of the position, the organizations mission, the responsibility ...read more
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Q1. About your last working experince.
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Q2. Explain your strength and Weakness
Ans. 
Strength: Excellent communication skills, Weakness: Difficulty saying no
• Strength: Able to effectively communicate with customers to address their needs

• Strength: Skilled at diffusing tense situations and providing solutions

• Weakness: Struggle with setting boundaries and saying no to additional tasks

• Weakness: Working on assertiveness and time management to improve in this area
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Line communication and failures analysis

Q1. Impeovemebt knowledge
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Q2. Time wastage and work performance
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Q3. Daily group communication
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Any work good process and success the timing

Work experience in bank sales officer

Q1. Target 🎯 and weekly Target achieved
Ans. 
I consistently set ambitious targets and work with my team to achieve them on a weekly basis.
• Set specific and measurable targets for the team

• Regularly track progress towards the targets

• Provide support and guidance to team members to help them achieve the targets

• Celebrate achievements and provide feedback for improvement

• Example: Set a target of increasing sales by 10% each week and consistently met or exceeded that targ
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Q2. Smart work team maintenance good support
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Q1. OOPs basics questions like inheritance, smart pointers, diamond problem etc.
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Q2. MFC basic questions like sending data from one window to other, sendmessage post message etc.
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