80+ Quality Analyst Interview Questions and Answers for Freshers

Maintaining balance between operations and quality as a Quality Analyst

• Establish clear quality standards and communicate them to all stakeholders

• Ensure that quality is integrated into all operations and processes

• Regularly review and analyze data to identify areas for improvement

• Collaborate with operations teams to develop solutions that meet both quality and operational goals

• Provide training and support to operations teams to ensure they understand and can meet quality standa...read more

To make an xpath for the 4th child node out of 5 children nodes with the same tag, use the position() function.

• Use the position() function in the xpath expression

• Add the index of the child node you want to test inside the position() function

• Example: //parentTag/childTag[position()=4]

Dissolution test is performed to determine the rate at which a drug substance dissolves in a specified medium.

• Prepare the dissolution medium according to the specified requirements.

• Calibrate the dissolution apparatus by measuring the rotation speed, temperature, and other parameters.

• Place the drug substance in the dissolution vessel and start the test.

• Collect samples at specified time intervals and analyze the amount of drug dissolved.

• Compare the dissolution profile with the ...read more

Equivalence partitioning is a technique used in software testing to divide input data into groups that are expected to exhibit similar behavior.

• Dividing input data into groups that are expected to behave similarly

• Testing only one input from each group

• Examples: age groups, income brackets, product categories

The 7 QC tools are a set of basic tools used for quality control and problem-solving in manufacturing and service industries.

• Check sheet: Used to collect and organize data in a systematic way.

• Histogram: A graphical representation of data distribution.

• Pareto chart: Helps identify the most significant factors contributing to a problem.

• Cause-and-effect diagram (Fishbone diagram): Used to identify and analyze potential causes of a problem.

• Scatter diagram: Shows the relationship b...read more

As a Quality Analyst in a Quality Laboratory, my responsibility is to ensure the accuracy and reliability of test results and maintain the quality standards of the laboratory.

• Performing various tests and analyses on samples to determine their quality and composition

• Calibrating and maintaining laboratory equipment to ensure accurate results

• Following standard operating procedures and protocols to ensure consistency and reliability of test results

• Documenting and analyzing test d...read more

I would focus on implementing automation testing and improving communication with development team.

• Implement automation testing to increase efficiency and reduce manual errors

• Improve communication with development team to ensure timely bug fixes

• Create a comprehensive test plan to cover all possible scenarios

• Regularly review and update testing processes to stay current with industry standards

To cut a rod in such a way that each part is obtained every day and the whole rod is obtained in a week.

• Cut the rod into 7 equal parts.

• Each day, use one part of the rod.

• By the end of the week, all parts will be used and the whole rod will be obtained.

Quality Assurance focuses on preventing defects while Quality Control focuses on identifying and correcting defects.

• Quality Assurance is a proactive process that involves planning, designing, and implementing processes to prevent defects from occurring.

• Quality Control is a reactive process that involves identifying defects and taking corrective action to eliminate them.

• Quality Assurance is focused on the entire process, while Quality Control is focused on the end product.

• Qual...read more

Sanity testing is a type of software testing that checks whether the basic functionalities of the application are working or not.

• It is a subset of regression testing

• It is performed after receiving a software build to ensure that the critical functionalities are working fine

• It is a quick and shallow testing process

• It helps to identify defects early in the development cycle

• Example: Checking if the login page is working after a new feature is added

5S is a methodology used to organize a workplace for efficiency and effectiveness by identifying, sorting, setting in order, shining, and standardizing.

• Sort: Remove unnecessary items from the workplace.

• Set in order: Organize remaining items in a logical manner.

• Shine: Clean and inspect the work area regularly.

• Standardize: Establish standards and procedures for maintaining the organized workplace.

• Sustain: Ensure the 5S system is maintained and improved over time.

Maven is a build automation tool and Hybrid Framework is a combination of Data Driven and Keyword Driven frameworks.

• Maven is used for building and managing Java-based projects

• It helps in managing dependencies and creating project structure

• Hybrid Framework combines the benefits of Data Driven and Keyword Driven frameworks

• It allows for reusability of code and easy maintenance

• Hybrid Framework uses data tables to store test data and keywords to perform actions

Object-oriented programming languages are based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.

• Objects are instances of classes, which define the structure and behavior of the objects.

• Encapsulation is a key feature, where data is hidden within objects and can only be accessed through methods.

• Inheritance allows classes to inherit attributes and methods from other classes.

• Polymorphism enables objects to be treated as i...read more

The company uses multiple automation languages based on project requirements.

• The company uses Java for Selenium automation

• Python is used for API testing

• JavaScript is used for front-end automation

• C# is used for desktop application automation

• The choice of language depends on the project requirements and the expertise of the team

Smoke testing is a preliminary testing technique to quickly evaluate the basic functionality of an application.

• Smoke testing is a type of software testing that focuses on testing the critical functionalities of an application.

• It is performed to ensure that the major features of the software are working as expected before proceeding with further testing.

• Smoke testing is usually done after a build is received and before detailed testing begins.

• The purpose of smoke testing is to...read more

QA prepares various reports to track and analyze quality metrics.

• Test execution report

• Defect report

• Test summary report

• Test coverage report

• Test trend report

Data integrity is crucial for ensuring accuracy and reliability of data. ALCOA and ALCOA Plus are guidelines for data integrity.

• ALCOA stands for Attributable, Legible, Contemporaneous, Original, and Accurate

• ALCOA Plus adds the principles of Complete, Consistent, Enduring, and Available

• These guidelines ensure that data is recorded accurately, completely, and consistently throughout its lifecycle

• Examples of ALCOA and ALCOA Plus principles in action include using electronic sign...read more

Bug life cycle refers to the stages a bug goes through from discovery to resolution.

• Bug is discovered and reported

• Bug is assigned to a developer

• Developer reproduces the bug

• Developer fixes the bug

• Bug is retested and verified as fixed

• Bug is closed

A union is an organized group of workers who come together to negotiate better working conditions, wages, and benefits.

• Unions advocate for the rights and interests of workers.

• They negotiate collective bargaining agreements with employers.

• Unions can provide support and representation in case of disputes or grievances.

• They may organize strikes or other forms of industrial action to achieve their goals.

• Examples of well-known unions include the AFL-CIO in the United States and th...read more

Smoke testing is a preliminary testing technique to check if the software build is stable enough for further testing.

• It is a quick and shallow testing technique

• It is performed to ensure that the critical functionalities of the software are working fine

• It is usually done after a new build is released

• It helps in identifying major issues early in the testing cycle

• Example: Checking if the login page is working after a new build is released

Responsibilities of QA include ensuring quality standards are met, identifying defects, creating test plans, and collaborating with teams.

• Ensuring quality standards are met

• Identifying defects and issues

• Creating and executing test plans

• Collaborating with development and other teams

• Providing feedback and recommendations for improvement

Various issues in social media platforms include privacy concerns, fake news, cyberbullying, and misinformation.

• Privacy concerns: Users' personal information being shared without consent.

• Fake news: Spread of false information leading to misinformation.

• Cyberbullying: Harassment and bullying behavior online.

• Misinformation: Inaccurate or misleading content being shared.

• Hate speech: Offensive language and discriminatory remarks.

• Algorithm bias: Biased algorithms affecting content ...read more

I am passionate about ensuring quality standards are met and improving processes. I have knowledge of quality norms such as ISO standards.

• I am motivated by the opportunity to contribute to improving quality standards within the organization.

• I have a strong understanding of quality norms such as ISO 9001 and Six Sigma.

• Key Result Areas (KRAs) of a Quality Analyst may include conducting quality audits, implementing quality improvement initiatives, and analyzing data to identify ...read more

MFI stands for Melt Flow Index. Load in flexural test refers to the force applied to a material to measure its bending strength.

• MFI is a measure of the flow properties of a polymer melt under specified conditions.

• It is commonly used in the plastics industry to determine the viscosity of a polymer.

• Load in flexural test is the force applied to a material in a bending test to measure its strength and flexibility.

• It is typically measured in units of force such as Newtons or pound...read more

To test a messaging app, I would perform functional, usability, performance, and security testing.

• Functional testing to ensure all features work as intended

• Usability testing to ensure the app is user-friendly

• Performance testing to ensure the app can handle high traffic

• Security testing to ensure user data is protected

• Test different scenarios such as sending messages with emojis, attachments, and different file types

• Test the app on different devices and operating systems

• Test th...read more

Quality is required to ensure customer satisfaction, reduce costs, and improve efficiency.

• Quality ensures that products or services meet customer expectations.

• It helps to reduce costs by minimizing defects and rework.

• It improves efficiency by streamlining processes and identifying areas for improvement.

• Quality also helps to build a good reputation and increase customer loyalty.

• Examples of quality initiatives include Six Sigma, Total Quality Management, and ISO standards.

Troubleshooting of HPLC system involves identifying and resolving issues to ensure accurate and reliable results.

• Check for leaks in the system

• Inspect and clean the column

• Verify the mobile phase composition

• Calibrate and check the detectors

• Troubleshoot software or connectivity issues

• Perform system suitability tests

• Consult instrument manuals or contact technical support if needed

Rectification is the process of correcting errors or mistakes in a system or process.

• Rectification involves identifying and fixing issues to improve quality and efficiency.

• It is a crucial step in quality assurance to ensure products or services meet standards.

• Examples include retesting software code to fix bugs, adjusting manufacturing processes to reduce defects, and revising documentation to correct errors.

The least count of vernier caliper is the smallest measurement that can be read on the scale.

• The least count is determined by the number of divisions on the vernier scale and the main scale.

• For example, if the main scale has 10 divisions and the vernier scale has 9 divisions, the least count would be 1/10 x 1/9 = 0.111 mm.

• The least count can vary depending on the type and size of the vernier caliper.

• It is important to consider the least count when taking measurements to ensur...read more

Black box testing is a software testing technique where the internal workings of the system are not known to the tester.

• Tests the functionality of the system without knowing the internal code

• Focuses on input and output of the system

• Tests for user interface, performance, and security

• Examples include acceptance testing and regression testing

SDLC has 6 phases: planning, analysis, design, implementation, testing, and maintenance.

• Planning: Define project scope, objectives, and requirements.

• Analysis: Gather and analyze user requirements.

• Design: Create a detailed design plan for the software.

• Implementation: Develop and code the software.

• Testing: Test the software for bugs and errors.

• Maintenance: Make updates and improvements to the software as needed.

PCR stands for Polymerase Chain Reaction. It is a technique used to amplify a specific segment of DNA.

• PCR is used to make multiple copies of a specific DNA sequence for analysis.

• It involves cycles of heating and cooling to denature, anneal, and extend DNA strands.

• PCR is commonly used in medical diagnostics, forensics, and research.

• Example: PCR can be used to detect the presence of a specific virus in a patient's sample.

Quality tools are techniques and methods used to improve and maintain product or service quality.

• Pareto chart

• Fishbone diagram

• Control charts

• Histogram

• Scatter diagram

• Flowchart

• Check sheet

• Statistical process control

My favorite subject is Mathematics.

• I enjoy solving complex problems and equations.

• I find satisfaction in finding the right answer.

• Mathematics is a universal language that can be applied in various fields such as science, engineering, and finance.

STLC, bug life cycle, defect life cycle, severity, priority, test case, and test scenario are key concepts in software testing.

• STLC (Software Testing Life Cycle) is the process of testing software from planning to deployment.

• Bug life cycle includes stages like New, Assigned, Fixed, Retest, Verified, and Closed.

• Defect life cycle involves stages like Detection, Reporting, Analysis, Reproduction, Fixing, Retesting, and Closure.

• Severity is the impact of a defect on the system, wh...read more

CSAT stands for Customer Satisfaction Score and DSAT stands for Dissatisfaction Score. They are used to measure customer satisfaction levels.

• CSAT is a metric used to measure how satisfied customers are with a product or service.

• DSAT is a metric used to measure how dissatisfied customers are with a product or service.

• CSAT is usually measured through surveys or feedback forms.

• DSAT can help identify areas for improvement in products or services.

UV operation and calibration involves setting up and maintaining the equipment to ensure accurate readings.

• UV equipment must be properly installed and calibrated before use

• Regular maintenance and cleaning is necessary to ensure accurate readings

• Calibration should be performed using a certified reference material

• UV equipment should be regularly checked for accuracy using a calibration curve

• Proper training and documentation is necessary for operation and calibration

Risk analysts assess and identify potential risks that may impact an organization's financial standing or reputation.

• Risk analysts evaluate potential risks and their impact on an organization

• They use statistical analysis and modeling to predict future risks

• They develop strategies to mitigate risks and minimize potential losses

• Examples of risks analyzed include market fluctuations, regulatory changes, and cybersecurity threats

Regression testing is the process of testing changes made to a software application to ensure that existing functionality still works.

• It is performed after making changes to the software

• It ensures that existing functionality is not affected by the changes

• It helps to catch defects early in the development cycle

• It can be automated to save time and effort

• Examples include testing after bug fixes, new feature additions, and software updates

Feedback to agents should be specific, timely, and constructive.

• Provide specific examples of what the agent did well or could improve on

• Deliver feedback in a timely manner, ideally soon after the interaction

• Use constructive language and focus on actionable steps for improvement

• Offer support and resources to help the agent improve

• Encourage open communication and a growth mindset

Test cases should be written in a structured format to ensure thorough testing.

• Test case should have a unique ID

• Test case should have a clear objective

• Test case should have preconditions and inputs

• Test case should have expected results and post-conditions

• Test case should be repeatable and independent

• Test case should be reviewed and approved before execution

I have a Bachelor's degree in Computer Science and 3 years of experience in quality analysis.

• Bachelor's degree in Computer Science

• 3 years of experience in quality analysis

To calculate 1% NaOH, divide the weight of NaOH by the volume of the solution and multiply by 100.

• Determine the weight of NaOH used

• Measure the volume of the solution

• Divide the weight of NaOH by the volume of the solution

• Multiply the result by 100 to get the concentration in percentage

Data annotation is the process of labeling or tagging data to make it understandable and usable for machine learning algorithms.

• Data annotation involves adding metadata or annotations to data.

• It helps in training machine learning models by providing labeled examples.

• Common types of data annotation include image labeling, text tagging, and audio transcription.

• Data annotation can be done manually by human annotators or through automated tools.

• Examples of data annotation tasks i...read more

Relative xpath is a type of xpath that starts from the current node and navigates to the desired element.

• Relative xpath is used to locate elements based on their relationship with other elements in the HTML structure.

• It is written using the '//' symbol and can be used to navigate up or down the HTML tree.

• For example, if we want to locate the 'Submit' button inside a form, we can use the relative xpath: //form//button[@type='submit']

Grapes are harvested by hand or machine, depending on the vineyard's size and terrain.

• Hand harvesting is more common for high-quality wine grapes.

• Machine harvesting is faster and more cost-effective for large vineyards.

• Grapes are typically harvested in the early morning when temperatures are cooler.

• Harvested grapes are sorted and transported to wineries for processing.

• The timing of the harvest is crucial for the quality of the grapes and the resulting wine.

SDLC stands for Software Development Life Cycle.

• It is a process followed by software development teams to design, develop and test high-quality software.

• It consists of several phases such as planning, analysis, design, implementation, testing, and maintenance.

• Each phase has its own set of deliverables and goals that must be achieved before moving on to the next phase.

• It helps in ensuring that the software is developed efficiently, on time, and within budget.

• Examples of SDLC m...read more