REALTIME BIOMETRICS Software Developer Interview Questions and Answers

Q1. Java data structure related question
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Manegement Topic of running our company

Q1. Why Current transformer secondary is open?
Ans. 
Current transformer secondary is open to prevent damage to the transformer and connected equipment.
• An open secondary circuit prevents excessive current flow and protects the transformer from damage.

• It allows for safe measurement and monitoring of current without risk of short circuits.

• An open secondary also prevents damage to connected equipment by isolating it from high currents.

• In case of a fault or overload, an open...read more
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Q2. What is different between CT and PT?
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Q3. Draw the single line diagram for HY to LT Panel diagram?
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Q4. How many circuit Breakers used in Electrical system?
Ans. 
The number of circuit breakers used in an electrical system varies depending on the size and complexity of the system.
• The number of circuit breakers used in an electrical system depends on factors such as the size of the system, the number of circuits, and the specific requirements of the building or facility.

• Residential electrical systems typically have a main circuit breaker at the electrical panel, along with indivi...read more
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Q1. How to manage in power failure situation?
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Q2. What's the B check in generator?
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Last work experience and

Q1. Electrical system , senior type connection
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Q1. Working time , pay scale
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Q1. Teamcenter Architecture?
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Q2. Dispatcher function?
Ans. 
Dispatcher function is responsible for managing and coordinating tasks or requests within a system.
• Coordinates tasks or requests to appropriate resources

• Prioritizes tasks based on urgency or importance

• Tracks progress and updates stakeholders

• Handles incoming requests and assigns them to available resources

• Examples: task scheduler in an operating system, job dispatcher in a computing cluster
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Q3. Steps of cloning?
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Cloning involves the process of creating a genetically identical copy of an organism.
• Isolate the DNA from the organism to be cloned

• Insert the DNA into a vector, such as a plasmid

• Introduce the vector into a host cell, such as a bacteria or yeast

• Allow the host cell to replicate, creating multiple copies of the DNA

• Grow the host cell into a full organism with the same genetic makeup as the original
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Q4. Workflow designer?
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Q1. Area of expertise?
Ans. 
I specialize in software engineering, focusing on system architecture, cloud solutions, and performance optimization.
• Expert in designing scalable microservices architectures, e.g., implementing a service-oriented architecture for a large e-commerce platform.

• Proficient in cloud technologies, particularly AWS and Azure, having migrated on-premise applications to cloud environments.

• Strong background in performance optimiz...read more
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Q2. Steps to resolve a problem?
Ans. 
Identify, analyze, brainstorm solutions, implement, evaluate, and document.
• Identify the problem by gathering information and understanding the root cause.

• Analyze the problem to determine the best course of action.

• Brainstorm potential solutions with team members or stakeholders.

• Implement the chosen solution and monitor its effectiveness.

• Evaluate the outcome to ensure the problem is resolved and document the process for ...read more
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Q1. Ready to reallocate?
Ans. 
Yes, I am ready to reallocate for the right opportunity.
• I am open to relocating for the right job opportunity that aligns with my career goals.

• I have experience moving for previous roles and am comfortable with the process.

• I understand the benefits of relocating, such as new experiences and career growth.
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Q2. Salary discussion
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Total questions - 5
Quantitative, Logical Reasoning and English

Q1. What is the implementation of a circular queue using structures in C and classes in C++?
Ans. 
Implementing a circular queue using structures in C and classes in C++ for efficient data management.
• A circular queue uses a fixed-size array and wraps around when the end is reached.

• In C, define a structure with front, rear, and size attributes.

• In C++, use a class to encapsulate queue operations and maintain data integrity.

• Both implementations should include functions for enqueue, dequeue, and checking if the queue is...read more
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Q2. Sort a vector of strings alphabetically
Ans. 
Sort a vector of strings alphabetically using standard sorting algorithms.
• Use built-in sorting functions like std::sort in C++ or Collections.sort in Java.

• Example in Python: sorted(['banana', 'apple', 'cherry']) returns ['apple', 'banana', 'cherry'].

• Consider case sensitivity; 'Apple' and 'apple' may be treated differently.

• For custom sorting, provide a key function to define sorting criteria.
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Q1. Related to power electronics
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Q2. What is rectifier
Ans. 
A rectifier is an electrical device that converts alternating current (AC) to direct current (DC).
• Rectifiers are commonly used in power supplies to convert AC voltage to DC voltage.

• They are made up of diodes, which allow current to flow in only one direction.

• Rectifiers can be half-wave or full-wave, depending on the number of diodes used.

• Examples of rectifiers include bridge rectifiers, vacuum tube rectifiers, and soli...read more
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Q3. What is scr and how it work
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SCR stands for Selective Catalytic Reduction. It is a technology used to reduce nitrogen oxide emissions from diesel engines.
• SCR is a process that uses a catalyst to convert nitrogen oxides (NOx) into nitrogen (N2) and water (H2O).

• It involves injecting a urea-based solution, known as diesel exhaust fluid (DEF), into the exhaust stream.

• The DEF reacts with the NOx in the presence of the catalyst, breaking it down into ha...read more
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Q4. What is ups and it work
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Q1. General question
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