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A Single Line Diagram (SLD) is a simplified representation of a 33/11 Kv substation.
SLD shows the electrical components and connections in a substation
It includes transformers, circuit breakers, busbars, and other equipment
Lines are drawn to represent the flow of electricity between components
Symbols and labels are used to indicate the type and rating of each component
Example: A 33/11 Kv substation SLD may show a 33 Kv...
To erect an 8MVA power transformer, follow these steps:
Prepare the site by leveling the ground and ensuring proper drainage
Install the transformer foundation and anchor bolts
Position the transformer on the foundation using a crane
Connect the transformer to the high voltage and low voltage cables
Perform insulation resistance tests and verify connections
Fill the transformer with insulating oil and perform oil tests
Energi
Power transformers are used in high voltage transmission systems, while distribution transformers are used in low voltage distribution networks.
Power transformers are designed for high voltage transmission systems, typically above 33 kV.
Distribution transformers are used in low voltage distribution networks, typically below 33 kV.
Power transformers are larger in size and have higher power ratings compared to distributi...
OS questions, locking and threads etc
Basic questions on Linked list
IPC mechanisms in OS facilitate communication between processes, while process management involves creating, scheduling, and terminating processes.
IPC mechanisms include shared memory, message passing, and sockets.
Shared memory allows processes to share a portion of memory for communication.
Message passing involves sending and receiving messages between processes.
Sockets enable communication between processes over a ne...
Implemented a real-time data processing system to handle large volumes of data efficiently.
Designed and implemented a distributed system using Apache Kafka for real-time data processing.
Optimized data processing algorithms to handle large volumes of data without impacting performance.
Collaborated with cross-functional teams to ensure seamless integration of the system with existing infrastructure.
I appeared for an interview in Oct 2024.
Duration - 1 Hour
Topics - OS Concepts
2 Coding questions - Swap Nibble, Move all the 0s in the array to the beginning.
Isilon is a scale-out network-attached storage platform, RAID is a data storage technology, ITIL is a framework for IT service management.
Isilon is a storage platform by Dell EMC known for its scalability and ease of management.
RAID (Redundant Array of Independent Disks) is a data storage technology that combines multiple disk drives into a single logical unit for data redundancy and performance improvement.
ITIL (Infor...
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I applied via Company Website and was interviewed in Mar 2024. There were 4 interview rounds.
Where is the problem in floor wise and work side
I applied via Campus Placement and was interviewed in Mar 2024. There was 1 interview round.
Asked basic python code
I worked on setting up automated daily backups for client data to ensure data security and prevent loss.
Implemented backup solutions such as cloud storage, external hard drives, and RAID systems
Configured backup schedules to run daily or weekly depending on client needs
Tested backup systems regularly to ensure data integrity and quick recovery in case of emergencies
I have worked on modules related to project management, data analysis, and client communication.
Project management module focused on task allocation and progress tracking
Data analysis module involved creating reports and visualizations for decision making
Client communication module included features for sending updates and receiving feedback
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The duration of Dell EMC interview process can vary, but typically it takes about less than 2 weeks to complete.
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