Wipro Multi Skill Technician Interview Questions and Answers

Q1. How much year experience and tell me the how to maintain the site electrical equipment, like DG, Transformer, Ups, LT & HT panel.
Ans. 
To maintain site electrical equipment like DG, Transformer, Ups, LT & HT panel, I have 5 years of experience.
• Regularly inspect and clean the equipment to ensure proper functioning.

• Perform preventive maintenance tasks such as lubrication, tightening connections, and checking for any signs of wear or damage.

• Conduct regular testing and calibration of equipment to ensure accuracy and efficiency.

• Monitor and record equipment...read more
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Q1. How much year experience and tell me the how to maintain the site electrical equipment, like DG, Transformer, Ups, LT & HT panel.
Ans. 
I have X years of experience in maintaining site electrical equipment such as DG, Transformer, Ups, LT & HT panel.
• Regular inspection and maintenance of equipment

• Keeping records of maintenance and repairs

• Following safety protocols and guidelines

• Troubleshooting and diagnosing issues

• Replacing faulty parts and components

• Testing equipment after maintenance

• Collaborating with other technicians and engineers

• Staying up-to-date
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A transformer is a static device; therefore, it does not change voltage up or down with varying frequency.

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

• Operates on the principle of Faraday's law of electromagnetic induction

• Used to step up or step down voltage levels

• Examples: power transformers, distribution transformers
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Q2. What is a UPS (Uninterruptible Power Supply)?
Ans. 
A UPS is a device that provides emergency power to a load when the input power source fails.
• UPS systems typically consist of a battery, inverter, and charger.

• They are commonly used to protect computers, data centers, and other electronic equipment from power outages.

• UPS systems can provide power for a few minutes to several hours depending on the capacity of the battery.

• They come in various sizes and types, such as sta
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Q1. Ac,ahu,vcb,acb ,
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Q2. All type d.g handle
Ans. 
Handling all types of diesel generators (d.g.)
• Regular maintenance and servicing of d.g. sets

• Troubleshooting and repairing any issues with d.g. sets

• Knowledge of different types and models of d.g. sets

• Ensuring proper functioning of d.g. sets during power outages

• Following safety protocols while working with d.g. sets
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Q3. Acb ,ahu,bms, transfermer,LT,Wld ,vesda
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Q1. D.g ,Ac,LT panel
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Q2. BMS system,ahu ,
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Aptitude round consists Logical reasoning, General Aptitude, Grammar related questions etc. All are moderate level questions.

Q1. Explain OOPs w.r.t Java
Ans. 
OOPs is a programming paradigm that uses objects to represent real-world entities. Java is an OOPs language.
• OOPs stands for Object-Oriented Programming System

• Java is a class-based OOPs language

• Encapsulation, Inheritance, Polymorphism, and Abstraction are the four pillars of OOPs

• Objects have state and behavior

• Java supports interfaces, which allow for multiple inheritance

• Example: A car can be represented as an object wit...read more
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Q2. Explain about the projects that you have worked on
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Q3. Explain how Java solves machine dependency of code execution
Ans. 
Java solves machine dependency by using bytecode and virtual machine.
• Java code is compiled into bytecode which is platform-independent

• The bytecode is executed by the Java Virtual Machine (JVM) which is platform-specific

• JVM translates bytecode into machine code for the specific platform

• This allows Java code to run on any platform with a JVM installed

• Example: A Java program compiled on Windows can run on Linux or Mac as
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Q1. Why should we hire you?
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Q2. Tell me about yourself.
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Numerical ability and logical reasoning followed by some coding mcqs

Q1. Print 1 to 100 without for loop
Ans. 
Printing 1 to 100 without for loop
• Use recursion to print numbers from 1 to 99

• Print 100 outside the recursion

• Use a base case to stop recursion at 100
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