100+ Quality Assurance/Quality Control Manager Interview Questions and Answers

Emulsion is a mixture of two immiscible liquids, while suspension is a mixture of solid particles in a liquid.

• Emulsion is a type of colloid where one liquid is dispersed in another liquid, such as oil in water or vice versa.

• Suspension is a type of mixture where solid particles are dispersed in a liquid, such as sand in water or flour in water.

• Emulsions and suspensions can be stabilized by adding emulsifiers or suspending agents, respectively.

• Emulsions are commonly used in foo...read more

Retest testing is done to verify if a failed test case has been fixed, while regression testing is done to ensure that changes made to the software do not affect existing functionality.

• Retest testing is done after a failed test case has been fixed to ensure that it now passes.

• Regression testing is done to ensure that changes made to the software do not affect existing functionality.

• Retest testing is a subset of regression testing.

• Regression testing is done after every change ...read more

Defects in welding section can include porosity, lack of fusion, undercutting, and distortion.

• Porosity: Formation of small cavities or voids in the weld metal due to trapped gas.

• Lack of fusion: Incomplete bonding between the weld metal and base metal.

• Undercutting: Formation of groove-like depressions along the edges of the weld due to excessive heat or incorrect technique.

• Distortion: Deformation or warping of the welded structure caused by uneven heating or cooling.

An SOP is a standard operating procedure that outlines the steps to be followed for a particular task or process.

• SOPs are used to ensure consistency and quality in work processes.

• They provide a clear set of instructions for employees to follow.

• SOPs are often used in industries such as manufacturing, healthcare, and food service.

• Examples of SOPs include procedures for cleaning equipment, handling hazardous materials, and conducting audits.

• SOPs should be regularly reviewed and ...read more

Standard Operating Procedures (SOP) are essential for hospitals to ensure consistent quality of care and safety for patients.

• SOPs outline step-by-step instructions for various processes within the hospital, such as patient admission, medication administration, and infection control.

• They help standardize practices, reduce errors, and ensure compliance with regulations and best practices.

• SOPs should be regularly reviewed and updated to reflect changes in technology, regulations...read more

Stability studies of eszopiclone in human plasma using HPLC

• Stability studies are conducted to determine the shelf life of a drug

• HPLC is used to separate and quantify the drug in plasma samples

• Human plasma is used to simulate the drug's behavior in the human body

• Stability studies involve testing the drug under different conditions like temperature, humidity, and light exposure

• Results are compared to the initial drug concentration to determine degradation rate

Improving communication skills requires active listening, clarity, and empathy.

• Practice active listening by giving your full attention to the speaker

• Be clear and concise in your own communication

• Develop empathy by putting yourself in the other person's shoes

• Use nonverbal cues to convey your message

• Ask for feedback to improve your communication skills

Pointers in automation refer to the use of variables that store the memory address of another variable.

• Pointers allow for dynamic memory allocation and manipulation

• They can be used to pass values between functions

• Examples include using pointers in C++ to access and modify data in arrays or structures

CMM stands for Coordinate Measuring Machine, a device used to measure the physical geometrical characteristics of an object.

• CMM is used in manufacturing and engineering industries to ensure the accuracy and quality of products.

• It uses a probe to measure the X, Y, and Z coordinates of an object and creates a 3D model of it.

• CMM can measure various parameters such as distance, angle, radius, and flatness.

• It can be operated manually or through computer programming.

• CMM is commonly...read more

I don't have the available data.

• Sorry, I don't have access to the information regarding the number of phase 3 trials visited.

• Without the specific context of the company or project, I cannot provide an accurate answer.

SPC and MSA are statistical tools used in quality control to monitor and improve processes.

• SPC (Statistical Process Control) is used to monitor and control a process by analyzing data over time.

• MSA (Measurement System Analysis) is used to evaluate the measurement system used to collect data in a process.

• SPC and MSA are used together to ensure that a process is capable of producing products that meet customer requirements.

• SPC involves creating control charts to monitor process...read more

In process rejection can be controlled by implementing proper quality control measures and identifying the root cause of rejection.

• Implementing quality control measures such as regular inspections and testing

• Identifying the root cause of rejection and addressing it

• Training employees on proper procedures and techniques

• Maintaining equipment and machinery to prevent malfunctions

• Establishing clear communication channels between departments

• Monitoring and analyzing rejection data t...read more

Spanning Tree Protocol is a network protocol that prevents loops in a network topology.

• STP is used to prevent broadcast storms and network loops.

• It works by creating a tree-like structure of network paths, with one path designated as the root.

• STP blocks redundant paths to prevent loops and ensures a single active path between any two network nodes.

• STP is commonly used in Ethernet networks.

• Rapid Spanning Tree Protocol (RSTP) is an updated version of STP that provides faster co...read more

Dissolution is the process of dissolving a solid substance into a liquid, while disintegration is the process of breaking down a solid substance into smaller particles.

• Dissolution involves the complete breakdown of a solid substance into a liquid, resulting in a homogenous mixture.

• Disintegration involves the physical breakdown of a solid substance into smaller particles, but does not involve a change in chemical composition.

• Both dissolution and disintegration are important pr...read more

Powder coating is a dry finishing process where a powder is applied to a surface and then heated to form a hard, durable finish.

• Powder coating is a type of coating that is applied as a free-flowing, dry powder.

• The powder is typically made up of a mixture of finely ground particles of pigment and resin.

• The powder is applied using an electrostatic spray gun, which charges the powder particles so they adhere to the surface being coated.

• The coated object is then heated in an oven...read more

Filter bags manufacturing involves selecting appropriate materials, cutting and sewing them to size, and attaching necessary hardware.

• Choose appropriate materials based on the intended use and desired filtration level

• Cut the materials to the appropriate size and shape

• Sew the materials together using specialized equipment

• Attach necessary hardware such as zippers or drawstrings

• Test the finished product for quality and effectiveness

Kanban is a lean manufacturing system that helps manage and improve work processes.

• Kanban originated in Japan as a way to improve efficiency in manufacturing.

• It involves visualizing work processes on a board and limiting work in progress.

• Kanban helps teams prioritize tasks and identify bottlenecks in the workflow.

• It can be applied to various industries, including software development and healthcare.

• Kanban emphasizes continuous improvement and encourages collaboration among te...read more

Friability test is a method to determine the durability of tablets or granules by measuring the amount of powder generated from them.

• It is a type of physical test performed on tablets or granules.

• The test involves tumbling the tablets or granules in a rotating drum for a specified time.

• After the test, the tablets or granules are weighed to determine the amount of powder generated.

• The results of the test can be used to assess the quality and stability of the tablets or granule...read more

Quality manufacturing process is a systematic approach to producing goods that meet or exceed customer expectations.

• It involves identifying customer needs and requirements

• Establishing quality standards and procedures

• Ensuring compliance with regulations and industry standards

• Continuous monitoring and improvement of the manufacturing process

• Examples include Six Sigma, Lean Manufacturing, and Total Quality Management

There are various types of production management such as lean production, just-in-time production, mass production, and batch production.

• Lean production focuses on minimizing waste and maximizing efficiency.

• Just-in-time production aims to produce goods only when they are needed, reducing inventory costs.

• Mass production involves producing large quantities of standardized products.

• Batch production involves producing a specific quantity of a product at one time.

• Other types of pr...read more

Improving product quality requires a comprehensive approach that involves identifying and addressing all potential sources of defects.

• Conducting thorough quality inspections at every stage of production

• Implementing a robust quality management system

• Investing in employee training and development

• Using high-quality raw materials and components

• Collaborating closely with suppliers to ensure consistency and reliability

• Gathering and analyzing customer feedback to identify areas for ...read more

Quality control involves monitoring and testing products or processes to ensure they meet specified standards.

• Quality control is a process that ensures products or services meet customer expectations and comply with regulations.

• It involves monitoring and testing products or processes at various stages to identify defects or deviations from standards.

• Quality control activities include inspections, audits, sampling, and testing.

• Examples of quality control measures include check...read more

Colour masterbatch percentage is the amount of pigment added to a polymer to achieve a desired color.

• It is typically expressed as a percentage of the total weight of the polymer.

• The percentage can vary depending on the desired color intensity and the type of polymer being used.

• For example, a black masterbatch may contain up to 50% pigment, while a white masterbatch may only contain 10-20% pigment.

• The percentage can also affect the processing properties of the polymer, such as...read more

I embrace failure as an opportunity for growth and improvement.

• I analyze the failure to understand the root cause and identify areas for improvement.

• I take responsibility for the failure and communicate openly about it.

• I collaborate with the team to develop corrective actions and preventive measures.

• I maintain a positive attitude and use failure as a learning experience.

• I continuously strive to improve processes and systems to minimize the occurrence of failures.

A Quality Controller is responsible for ensuring that products or services meet the required quality standards.

• Developing and implementing quality control procedures

• Conducting inspections and tests to identify defects or non-conformities

• Analyzing data to identify trends and areas for improvement

• Creating and maintaining quality documentation and records

• Training and educating staff on quality control processes

• Collaborating with other departments to resolve quality issues

• Impleme...read more

Inspection methods include visual inspection, sampling, testing, and auditing.

• Visual inspection involves examining the product or process for defects or non-conformities.

• Sampling involves selecting a representative portion of the product or process for testing.

• Testing involves using various methods to determine if the product or process meets specifications.

• Auditing involves reviewing the quality system to ensure it is effective and compliant with standards.

• Examples of inspec...read more

Disintegration test is a quality control test to determine the time taken for a tablet or capsule to break down into smaller particles.

• It is a measure of the tablet or capsule's ability to dissolve and release the active ingredient.

• The test involves placing the tablet or capsule in a basket-rack assembly and subjecting it to a specified amount of agitation in a liquid medium.

• The time taken for the tablet or capsule to disintegrate is recorded.

• The disintegration time is compar...read more

Epoxy regen is a process of repairing damaged epoxy coatings by applying a new layer of epoxy on top of the damaged area.

• Epoxy regen is a cost-effective way to repair damaged epoxy coatings without having to completely replace the coating.

• The damaged area is first cleaned and prepared before a new layer of epoxy is applied.

• Epoxy regen can be used on a variety of surfaces, including concrete floors, walls, and countertops.

• Examples of situations where epoxy regen may be used in...read more

5 m is a unit of measurement for length or distance.

• m stands for meters, which is the base unit of length in the International System of Units (SI)

• 5 m is equivalent to 16.4 feet or 196.9 inches

• It can be used to measure the length of a room, the distance between two points, or the height of a building

Poka yoke is a Japanese term for mistake-proofing or error-proofing.

• It is a quality control technique used to prevent errors or defects in a product or process.

• It involves designing the process or product in a way that makes it impossible or difficult to make mistakes.

• Examples include using sensors to detect errors, designing parts that can only be assembled in one way, and using checklists to ensure all steps are completed.

• Poka yoke is often used in manufacturing, but can be...read more

TQM pillars are the foundation of Total Quality Management. They are the key principles that guide the implementation of TQM.

• TQM has 8 pillars: customer focus, leadership, involvement of people, process approach, system approach to management, continual improvement, factual approach to decision making, and mutually beneficial supplier relationships

• Customer focus involves understanding and meeting customer needs and expectations

• Leadership involves creating a vision and values,...read more

Quality Policy is a statement that outlines an organization's commitment to quality and its approach to achieving it.

• It is a formal document that defines an organization's quality objectives and goals.

• It outlines the responsibilities of employees in maintaining quality standards.

• It is communicated to all employees and stakeholders to ensure everyone is aware of the organization's commitment to quality.

• It is reviewed regularly to ensure it remains relevant and effective.

• Exampl...read more

Quality control is a process used to ensure that products or services meet specified requirements and standards.

• Quality control involves monitoring and inspecting products or services to identify defects or deviations from standards.

• It includes implementing corrective actions to address any issues found during the quality control process.

• Quality control can involve various techniques such as statistical sampling, testing, and data analysis.

• It plays a crucial role in ensuring ...read more

To stop a program, use the exit() function or press Ctrl+C.

• Use exit() function to terminate the program

• Press Ctrl+C to interrupt the program

• Use return statement to exit a function

Dissolution test is a method to determine the rate at which a drug is released from a tablet.

• The tablet is placed in a dissolution apparatus filled with a specified medium.

• The apparatus is then rotated at a constant speed and temperature.

• Samples are taken at specified time intervals and analyzed for drug content.

• The results are compared to a standard to ensure the tablet meets requirements.

Quality Assurance standards ensure products meet customer expectations. Types include ISO, Six Sigma, and Lean.

• Quality Assurance standards ensure products meet customer expectations

• ISO 9001 is a widely recognized standard for quality management systems

• Six Sigma is a data-driven approach to eliminate defects and improve processes

• Lean focuses on reducing waste and increasing efficiency

• Other types include Total Quality Management (TQM) and Continuous Improvement (CI)

An indicator is a measurable value that demonstrates the performance or quality of a process, product, or system.

• Indicators are used to track progress and identify areas for improvement.

• They can be quantitative (e.g. defect rate, customer satisfaction score) or qualitative (e.g. employee morale, adherence to standards).

• Indicators should be relevant, reliable, and actionable.

• Examples of indicators in QA/QC include defect density, test coverage, and customer complaints.

• Regular ...read more

IPSG stands for Integrated Project Schedule Goals, which are specific objectives related to project timelines and milestones.

• IPSG goals are set to ensure that projects are completed on time and within budget.

• They help in tracking progress, identifying potential delays, and making necessary adjustments to meet deadlines.

• Examples of IPSG goals include completing a specific phase of a project by a certain date, staying within a designated budget, and achieving key milestones acc...read more

The types of products that require quality assurance/quality control vary depending on the industry and company.

• Products that are consumed or used by humans, such as food, pharmaceuticals, and medical devices, require strict quality control.

• Manufactured goods, such as electronics and automobiles, also require quality control to ensure they meet safety and performance standards.

• Construction materials, such as steel and concrete, require quality control to ensure they meet stre...read more

There are three types of quality: product, process, and people.

• Product quality refers to the characteristics and features of the final product.

• Process quality refers to the effectiveness and efficiency of the processes used to create the product.

• People quality refers to the skills, knowledge, and attitudes of the people involved in creating the product.

• Examples of product quality measures include durability, reliability, and performance.

• Examples of process quality measures in...read more

Quality assurance is the process of ensuring that products or services meet or exceed customer expectations.

• It involves creating and implementing quality standards and procedures

• It includes monitoring and evaluating the quality of products or services

• It aims to prevent defects or errors before they occur

• It involves continuous improvement to maintain and enhance quality

• Examples include conducting audits, inspections, and testing

Defect control can be achieved through a combination of prevention, detection, and correction measures.

• Establishing clear quality standards and procedures

• Training employees on quality control measures

• Conducting regular inspections and audits

• Implementing corrective actions when defects are found

• Using statistical process control methods to monitor quality

• Collaborating with suppliers to ensure quality materials

• Continuous improvement efforts to prevent defects from occurring

Improving quality involves identifying areas for improvement, implementing changes, and monitoring results.

• Conducting regular quality audits

• Implementing process improvements

• Providing training and education to employees

• Encouraging employee feedback and suggestions

• Monitoring and analyzing quality metrics

• Collaborating with suppliers and customers to improve quality

• Using technology to streamline processes and reduce errors

I have basic knowledge in accounts including bookkeeping, financial statements, and budgeting.

• Bookkeeping - recording financial transactions

• Financial statements - balance sheet, income statement, cash flow statement

• Budgeting - creating and managing budgets

To properly wash a chequered machine, follow these steps:

• Disconnect the machine from the power source

• Remove any loose debris or dirt from the machine

• Use a mild detergent and warm water to clean the machine

• Rinse the machine thoroughly with clean water

• Dry the machine completely before using it again

A tablet is a solid dosage form of medication that is compressed into a small, flat shape.

• Tablets are one of the most common forms of medication.

• They are made by compressing a mixture of active ingredients and excipients.

• Tablets can be coated to make them easier to swallow or to protect the active ingredients from degradation.

• Examples of tablets include aspirin, ibuprofen, and paracetamol.

Retest testing is the process of re-executing test cases that failed in a previous test cycle.

• Retest testing is done to ensure that the defects found in the previous test cycle have been fixed.

• It is usually performed after the defects have been fixed and before the product is released.

• Retest testing is a part of regression testing.

• Examples of retest testing include testing a login functionality after a bug fix or testing a calculation feature after a code change.

Chromatography is a laboratory technique used to separate and analyze mixtures of chemicals.

• It involves passing a mixture through a stationary phase, which separates the components based on their physical and chemical properties.

• The separated components can then be identified and quantified.

• There are different types of chromatography, including gas chromatography, liquid chromatography, and ion chromatography.

• Chromatography is widely used in various industries, including phar...read more