Dee Tee Industries Junior its Engineer Interview Questions and Answers

White box testing is based on the internal logic of the software being tested, while black box testing focuses on the functionality of the software.

• White box testing is also known as clear box testing or glass box testing.

• Black box testing is also known as functional testing.

• White box testing is done by developers to ensure code coverage and identify logical errors.

• Black box testing is done by testers to validate the f...read more

Validation ensures the right product is being built, while verification ensures the product is being built right.

• Validation confirms that the product meets the customer's requirements and needs.

• Verification ensures that the product conforms to the specified requirements and standards.

• Validation is about checking if the right product is being built, while verification is about checking if the product is being built corr...read more

Test cases for Login page and Payment gateway are written by identifying various scenarios, inputs, and expected outcomes.

• Identify positive test cases for successful login and payment transactions.

• Identify negative test cases for invalid credentials, error messages, and failed transactions.

• Include boundary test cases for maximum and minimum input values.

• Test for different user roles and permissions.

• Verify the security ...read more

Automate filtering by using scripting languages like Python or tools like Selenium. Validate by comparing expected and actual results.

• Use scripting languages like Python to automate filtering process.

• Utilize tools like Selenium for automated testing of filtering functionality.

• Validate filtering by comparing expected results with actual results.

• Implement test cases to ensure filtering is working as desired.

Backend refers to the server-side of an application where data processing and storage occurs.

• Backend is responsible for handling data processing, storage, and retrieval.

• It interacts with the frontend to deliver the final product to the user.

• Common backend technologies include databases like MySQL, programming languages like Java or Python, and frameworks like Node.js.

• Backend code runs on the server and responds to requ...read more

Git and Jenkins are essential tools for testers to manage code versions and automate testing processes.

• Git is used for version control, allowing testers to track changes in code and collaborate with team members.

• Jenkins is used for continuous integration and continuous delivery (CI/CD), automating the testing process and providing feedback on code quality.

• Testers can use Git to create branches for different features or...read more

An example of API is a weather API that provides real-time weather data to a mobile app.

• API stands for Application Programming Interface

• It allows different software applications to communicate with each other

• Examples include Google Maps API, Twitter API, and Spotify API

Smoke testing is a preliminary test to check if the software build is stable, while sanity testing is a subset of regression testing to ensure that specific functionalities are working correctly.

• Smoke testing is done to check if the software build is stable enough for further testing, while sanity testing is done to check specific functionalities after changes.

• Smoke testing is a shallow and wide approach, covering all ...read more

To validate 100 data sets for a field, use statistical analysis, data visualization, and comparison with known standards.

• Perform statistical analysis on the data sets to identify outliers and inconsistencies

• Use data visualization techniques such as histograms, box plots, and scatter plots to visually inspect the data

• Compare the data sets with known standards or benchmarks to ensure accuracy and consistency

• Utilize autom...read more

7 QC tools are used for quality control in manufacturing. They are simple and effective tools to identify and solve problems.

• Check sheets - used to collect data and analyze it

• Pareto charts - used to identify the most frequent problems

• Histograms - used to show the distribution of data

• Cause-and-effect diagrams - used to identify the root cause of a problem

• Flowcharts - used to show the steps in a process

• Control charts - u...read more

FMEA is a risk assessment tool used to identify and mitigate potential failures. 5S is a workplace organization method. CP and CPS are statistical process control measures.

• FMEA stands for Failure Mode and Effects Analysis. It is a systematic approach to identifying and mitigating potential failures in a process or product.

• 5S is a workplace organization method that involves sorting, simplifying, sweeping, standardizing,...read more

CTQ stands for Critical to Quality and CTC stands for Critical to Customer.

• CTQ is a measurable characteristic of a product or process that is important to the customer.

• CTC is a measurable characteristic of a product or process that directly impacts customer satisfaction.

• Identifying CTQs and CTCs helps in improving the quality of the product or process.

• Examples of CTQs and CTCs include product reliability, on-time deliv...read more

Gauges are instruments used to measure various physical quantities. There are different types of gauges for different purposes.

• Pressure gauges measure pressure of fluids or gases

• Temperature gauges measure temperature of substances

• Thickness gauges measure thickness of materials

• Wire gauges measure diameter of wires

• Bore gauges measure diameter of holes

• Thread gauges measure pitch and diameter of screws

• Fuel gauges measure f

Instrument handling refers to the proper use, care, and maintenance of tools and equipment used in a particular field.

• Properly clean and sterilize instruments before and after use

• Handle instruments with care to prevent damage or contamination

• Store instruments in a safe and organized manner

• Regularly inspect instruments for wear and tear

• Follow manufacturer's instructions for use and maintenance

• Examples: surgical instrume

Yes, I am familiar with GD&T symbols.

• GD&T stands for Geometric Dimensioning and Tolerancing

• It is a system of symbols used to specify the dimensions and tolerances of a part

• Examples of symbols include concentricity, perpendicularity, and flatness