Jindal Stainless Manager – Electrical Interview Questions and Answers

Q1. Transformers oltc function and how is it working ?
Ans. 
OLTC (On Load Tap Changer) is a device used in transformers to regulate the voltage output by changing the number of turns in the transformer winding.
• OLTC is used to adjust the voltage output of a transformer while it is in operation.

• It works by changing the tap position on the transformer winding to increase or decrease the number of turns.

• This allows for voltage regulation without interrupting the power supply.

• OLTC c...read more
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Q2. What kind of motors stater and what is difference of working?
Ans. 
Different types of motor starters include DOL, star-delta, and soft starters, each with unique working principles.
• Direct Online (DOL) starter provides full voltage to the motor at start, suitable for small motors.

• Star-delta starter initially connects the motor in star configuration for reduced starting current, then switches to delta configuration.

• Soft starters gradually increase voltage to the motor, reducing starting...read more
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Quantitative ,English,reasoning

Women empowerment-20 min-5 person

Q1. Mechanical engineering
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Q2. Basic thermodynamics and metallurgy
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Basic aptitude and Core questions different for each department.

Q1. CV screening. Asked to explain all my projects .
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Q2. Different types of subjects we have studied till now
Ans. 
Subjects studied include mathematics, science, history, literature, and languages.
• Mathematics - algebra, geometry, calculus

• Science - biology, chemistry, physics

• History - world history, American history

• Literature - English literature, poetry

• Languages - Spanish, French, German
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Q1. Explain oops concept to me
Ans. 
OOPs (Object-Oriented Programming) is a programming paradigm based on the concept of objects, which can contain data and code.
• OOPs focuses on creating objects that interact with each other to solve a problem.

• It involves concepts like inheritance, encapsulation, polymorphism, and abstraction.

• For example, a car object can have properties like color and speed, and methods like accelerate and brake.
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Q2. Explain your project ideas
Ans. 
My project ideas involve developing a mobile app for tracking daily water intake and creating a website for sharing healthy recipes.
• Develop a mobile app with a user-friendly interface for tracking daily water intake

• Include features such as setting reminders, tracking progress, and providing personalized recommendations

• Create a website where users can share and explore healthy recipes, with options for filtering by diet...read more
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Q1. What is you fav subject?
Ans. 
My favorite subject is mathematics because I enjoy solving complex problems and finding patterns.
• I love working with numbers and equations

• I find joy in solving challenging math problems

• I enjoy discovering patterns and relationships in mathematical concepts
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Q2. Explain bell coleman cycle
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The Bell Coleman cycle is a refrigeration cycle used in air conditioning systems to cool a space by removing heat.
• Consists of four processes: compression, cooling, expansion, and heating

• Uses a refrigerant to absorb and release heat

• Compression process increases the pressure and temperature of the refrigerant

• Cooling process removes heat from the refrigerant

• Expansion process reduces the pressure and temperature of the ref...read more
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