Jobner Sarswati Convent School Senior Engineer Interview Questions and Answers

1 hour of aptitude with 40 questions

Q1. Consists of GD and they ask us to introduce ourselves
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Medium leetcode question on graph was given by third party interviewer BarRaiser

Q1. Design a distributed system with 10mil users
Ans. 
Design a distributed system to handle 10 million users.
• Use a microservices architecture to break down the system into smaller, manageable components.

• Implement load balancing to distribute user requests across multiple servers.

• Utilize a distributed database to store user data and ensure scalability.

• Implement caching mechanisms to improve performance and reduce database load.

• Use message queues for asynchronous communicat...read more
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Q1. About Single line diagram
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Q2. Transformers installation
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Q3. Dg working principle
Ans. 
A DG (diesel generator) works on the principle of converting mechanical energy from the diesel engine into electrical energy through an alternator.
• Diesel engine burns fuel to produce mechanical energy

• Mechanical energy is used to rotate the alternator

• Alternator converts mechanical energy into electrical energy
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Q4. Difference between Predective and Preventive Maintenance
Ans. 
Predictive maintenance uses data and analytics to predict when equipment failure may occur, while preventive maintenance involves regularly scheduled maintenance to prevent breakdowns.
• Predictive maintenance uses data and analytics to predict when equipment failure may occur

• Preventive maintenance involves regularly scheduled maintenance to prevent breakdowns

• Predictive maintenance is more cost-effective as it allows for ...read more
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Q5. Question about Vcb ,Acb and it's working
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Q6. MCC panel installation
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Q7. HT panel installation
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Q1. Previous organisation work
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Q2. Why Apmd and it's reason
Ans. 
APMD stands for Average Power Maximum Demand, it is used to calculate the average power consumption over a specific period of time.
• APMD helps in determining the maximum power demand during a specific time period.

• It is useful for utility companies to plan and manage their power generation and distribution.

• APMD is calculated by taking the average power consumption over a defined time period, usually in kilowatt-hours (kW
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Common Aptitude along with HTML5, CSS

Q1. Mostly questions were on HTML5,CSS and web development related questions.
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Q1. All technical question related to work experience.
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Q1. Question from previous work experience related to company work culture. why i want to join this firm.
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Advanced Java coding

Q1. Entire core Java arrays and strings
Ans. 
Core Java arrays and strings are fundamental data structures used for storing and manipulating data in Java programming.
• Arrays in Java are used to store multiple values of the same data type in a single variable.

• Strings in Java are objects that represent sequences of characters.

• Arrays and strings in Java are both indexed collections, with arrays being mutable and strings being immutable.

• Example: String[] names = {"Alic
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Q2. Java collections and Framework
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Q1. Some coding and framework
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Q2. REST assured and API
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Time and work,coding,trains

Social media and cricket

Q1. Tell be about your self
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Aptitude is easy general questions are asked