20+ Interview Questions and Answers

I have used various project management tools including Trello, Asana, Jira, and Microsoft Project.

• Trello for agile project management and task tracking

• Asana for team collaboration and project planning

• Jira for issue tracking and software development projects

• Microsoft Project for project scheduling and resource management

C++ program to store EMP ID, name, and salary using array of strings.

• Declare an array of strings to store EMP ID, name, and salary

• Use cin to take input from user and store in the array

• Use cout to display the stored data

Bonus tolerance in GD&T is an additional tolerance that allows for variations beyond the specified limits.

• Bonus tolerance is used to provide flexibility in manufacturing processes.

• It allows for variations in dimensions or positions beyond the specified tolerances.

• Bonus tolerance can be applied to individual features or the entire part.

• It helps to ensure functional fit and assembly of components.

• For example, if a hole is specified to have a diameter of 10mm with a tolerance of...read more

Print 1 to 10 without using loops.

• Use recursion to print numbers.

• Use a switch statement to print numbers.

• Use an array and map function to print numbers.

To check earthing problem in hospital and troubleshoot medical equipment, operate multimeter by selecting appropriate range and probes.

• Select appropriate range on multimeter based on expected voltage

• Connect probes to the multimeter and the equipment being tested

• Check for continuity and resistance in the earthing system

• Troubleshoot equipment by checking for voltage, current, and resistance

• Refer to equipment manual for specific troubleshooting steps

Selenium was used to automate testing of dynamic elements and AJAX calls in the single page application.

• Used Selenium WebDriver to locate and interact with dynamic elements

• Implemented explicit waits to handle AJAX calls and page loading

• Used Page Object Model design pattern to organize and maintain test code

• Utilized Selenium Grid for parallel testing on multiple browsers and platforms

The 7 QC tools are used for quality control, risk assessment is used to identify and mitigate potential risks, attribute and variable are two types of data, and GD&T is a system for defining and communicating engineering tolerances.

• 7 QC tools include Pareto chart, cause-and-effect diagram, control chart, histogram, scatter diagram, flowchart, and check sheet

• Risk assessment involves identifying potential hazards, assessing the likelihood and severity of harm, and implementing ...read more

I followed a structured approach for risk management.

• Identified potential risks and their impact on the project

• Assessed the likelihood and severity of each risk

• Developed a risk mitigation plan

• Monitored and reviewed risks throughout the project

• Communicated risks and mitigation strategies to stakeholders

Reverse a string using recursion

• Create a function that takes a string as input

• If the string is empty, return an empty string

• Otherwise, call the function recursively with the substring starting from the second character

• Concatenate the first character with the result of the recursive call

Reverse an integer

• Convert integer to string and reverse the string

• Use modulo operator to extract digits and reverse them

• Use recursion to reverse the integer

The start condition for SPI is a low-to-high transition on the SCK line while SS is high.

• SPI communication begins when the master device sends a start condition to the slave device.

• The start condition is a low-to-high transition on the SCK line while SS is high.

• The SS line is used to select the slave device for communication.

• The SPI protocol supports multiple slaves, but only one slave can be selected at a time.

• After the start condition, the master device sends the clock sign...read more

Quality control is the process of ensuring that a product or service meets the desired quality standards, while quality assurance is the process of ensuring that the systems and processes used to create the product or service are effective and efficient.

• Quality control involves inspecting and testing the product or service to ensure it meets the desired quality standards.

• Quality assurance involves implementing and maintaining systems and processes to ensure that the product o...read more

Draft is the taper or angle added to the vertical walls of a plastic part to aid in its ejection from the mold.

• Draft is necessary to prevent the plastic part from sticking to the mold during ejection.

• The amount of draft required depends on the size and shape of the part, as well as the type of plastic being used.

• Draft angles typically range from 1 to 3 degrees, but can be as high as 5 degrees for larger parts.

• Without proper draft, the part may become damaged during ejection o...read more

Numerical methods are mathematical techniques used by engineers to solve complex problems.

• Numerical methods involve using algorithms to approximate solutions to mathematical problems.

• These methods are used in a variety of engineering fields, including structural analysis, fluid dynamics, and heat transfer.

• Examples of numerical methods include finite element analysis, finite difference methods, and Monte Carlo simulations.

• These methods are essential for solving complex enginee...read more

Automation test cases for OTP application

• Identify the key functionalities of the OTP application

• Create test cases for each functionality

• Use automation tools like Selenium or Appium to automate the test cases

• Ensure the test cases cover positive and negative scenarios

• Include boundary value analysis and equivalence partitioning in test cases

Thread is a lightweight unit of a process. Process is an instance of a program that runs independently.

• Threads share the same memory space as the parent process while processes have their own memory space.

• Threads are faster to create and switch between than processes.

• Processes are more secure and stable than threads.

• Example: A web server can have multiple threads to handle multiple requests simultaneously.

• Example: A word processor can have multiple processes to handle differe...read more

The technical architecture of Project X involved a microservices-based approach with containerization using Docker and orchestration with Kubernetes.

• Utilized microservices architecture for scalability and flexibility

• Implemented containerization using Docker for easy deployment and management

• Utilized Kubernetes for orchestration and scaling of containers

• Used RESTful APIs for communication between microservices

Implemented a new CRM system to streamline customer interactions and improve data management.

• Identified key requirements for the CRM system through stakeholder interviews

• Collaborated with IT team to customize the system to meet specific business needs

• Conducted user training sessions to ensure smooth adoption of the new system

Optimization of variable involves finding the best value for a given parameter to achieve desired outcomes.

• Identify the variable to be optimized

• Define the objective function

• Determine the constraints

• Select an optimization algorithm

• Iteratively adjust the variable until optimal value is reached

Documentation is crucial for recording and communicating important information.

• Documentation helps in maintaining a record of important information.

• It helps in communicating information to others in a clear and concise manner.

• Documentation ensures consistency and accuracy in processes and procedures.

• It helps in identifying and addressing issues and problems.

• Documentation is important for legal and regulatory compliance.

• Examples include project plans, meeting minutes, user man...read more

SPI and I2C are communication protocols used to transfer data between devices.

• SPI is faster than I2C.

• SPI uses separate lines for data and clock signals while I2C uses a shared line.

• I2C supports multiple devices on the same bus while SPI requires a separate chip select line for each device.

• SPI is commonly used for high-speed communication between microcontrollers and peripherals while I2C is used for low-speed communication between sensors and other devices.

Address the issue by conducting a thorough investigation, implementing corrective actions, and communicating with relevant stakeholders.

• Conduct a root cause analysis to determine why the device failed

• Implement corrective actions to prevent future failures

• Communicate with regulatory authorities, customers, and other stakeholders about the issue

• Ensure compliance with regulations and standards in addressing the failed device

• Consider a recall if necessary to protect patient safet...read more

Using specific strategies to address different situations in order to achieve desired outcomes.

• Identify the specific situation or challenge at hand

• Analyze the factors involved and potential obstacles

• Develop a tailored strategy based on the unique circumstances

• Implement the strategy effectively to achieve the desired outcome

• Evaluate the results and make adjustments as needed