Wabtec Interview Questions, Process, and Tips for Freshers

Q1. Transformer architecture and working.
Ans. 
Transformer architecture is a deep learning model that utilizes self-attention mechanism for sequence processing.
• Transformer architecture is based on self-attention mechanism, allowing the model to weigh the importance of different input tokens when making predictions.

• It consists of an encoder and a decoder, with multiple layers of multi-head self-attention and feedforward neural networks.

• Transformers have been widely ...read more
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Q2. Current project on ocr. Validation and testing
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Currently working on OCR project focusing on validation and testing
• Developing validation strategies to ensure accuracy of OCR results

• Creating test cases to evaluate OCR performance under different conditions

• Utilizing ground truth data for benchmarking OCR accuracy

• Implementing error analysis techniques to identify and address common OCR mistakes
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Q1. Case study on trends. Was asked to code.
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Q1. General project questions and roles
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Q1. Why should we hire you?
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Maths, English and basics of engineering

Q1. Stress strain curve, bolted joints, welding stress, plates and shells, thermodynamics
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Q1. Explain me DSA, FPGA
Ans. 
DSA (Data Structures and Algorithms) optimizes data handling, while FPGA (Field-Programmable Gate Array) enables hardware customization.
• DSA involves organizing data (e.g., arrays, linked lists) for efficient access and modification.

• Common algorithms include sorting (e.g., quicksort) and searching (e.g., binary search).

• FPGA allows developers to configure hardware for specific tasks, enhancing performance.

• Applications of...read more
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Basic Aptitute questions

Python Programming, Leet Code, everyday 1 hour

Q1. Technical on Projects-- ML , python all algorithms write code print op
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