QA QC Executive

80+ QA QC Executive Interview Questions and Answers

Updated 10 Feb 2025
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Q1. If a team member is unable to carry out his work, he is doing it repetitively, how would you handle it?, would you like to work only on lifing of components, or would you be ready to shift to other departments?

Ans.

I would address the issue with the team member directly and offer support or training. If necessary, I would consider shifting responsibilities to prevent burnout.

  • Have a one-on-one conversation with the team member to understand the root cause of the repetitive work.

  • Offer support, training, or resources to help the team member improve their performance.

  • Consider shifting responsibilities or tasks to prevent burnout and maintain productivity.

  • Ensure clear communication and expec...read more

Q2. What is the first step for quality maintenance of product?

Ans.

The first step for quality maintenance of product is to establish a quality management system.

  • Establishing quality objectives and policies

  • Identifying and documenting processes and procedures

  • Implementing quality control measures

  • Training employees on quality standards

  • Regularly monitoring and evaluating the system

QA QC Executive Interview Questions and Answers for Freshers

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Q3. Definition of QA/QC? Chemical formula of plaster of paris?

Ans.

QA/QC stands for Quality Assurance/Quality Control. Plaster of Paris chemical formula is CaSO4.1/2H2O.

  • QA/QC is a set of activities that ensure quality in a product or service.

  • QA focuses on preventing defects while QC focuses on identifying and correcting defects.

  • Plaster of Paris is a white powder made from gypsum that hardens when mixed with water.

  • Its chemical formula is CaSO4.1/2H2O, which means it contains one molecule of calcium sulfate and half a molecule of water.

Q4. What is your Sellery expections ?

Ans.

My salary expectations are negotiable and dependent on the responsibilities and benefits offered by the company.

  • My salary expectations are flexible and open to negotiation.

  • I am looking for a competitive salary that reflects my skills and experience.

  • I am also interested in discussing the benefits package offered by the company.

  • I believe that a fair compensation is important for job satisfaction and motivation.

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Q5. based on your resume 1) types of training 2) types of sop 3) what is mean by APQR and why we prepared 4) difference between QC and QA department 5) important document in QC

Ans.

Types of training include on-the-job, classroom, and online. SOPs are standard operating procedures. APQR stands for Annual Product Quality Review. QC focuses on testing products, while QA focuses on ensuring quality standards are met.

  • Types of training: on-the-job, classroom, online

  • Types of SOP: standard operating procedures

  • APQR: Annual Product Quality Review, prepared to evaluate the quality of products over a period of time

  • Difference between QC and QA: QC focuses on testing...read more

Q6. What was the safety measures taken while drug manufacturing

Ans.

Various safety measures were taken during drug manufacturing to ensure the quality and safety of the drugs.

  • Strict adherence to Good Manufacturing Practices (GMP)

  • Regular cleaning and maintenance of equipment

  • Proper handling and storage of raw materials and finished products

  • Regular testing and analysis of samples

  • Implementation of safety protocols to prevent contamination and cross-contamination

  • Training of personnel on safety procedures and protocols

  • Use of personal protective equ...read more

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Q7. Required capacity of ctm machine in KN to test a cube of m 40 grade

Ans.

The required capacity of the ctm machine in KN to test a cube of m 40 grade is dependent on the size of the cube and the testing standards.

  • The capacity of the ctm machine is determined by the maximum load it can apply to the cube during testing.

  • The cube size and testing standards determine the load requirements for testing.

  • The required capacity can be calculated using the formula: Required capacity = Cube size x Testing standards

Q8. What do you know about media preparations?

Ans.

Media preparations involve the process of preparing culture media for microbiological testing.

  • Media preparations are essential in microbiology laboratories for cultivating and identifying microorganisms.

  • Different types of media are used depending on the specific requirements of the test.

  • Media can be prepared in liquid or solid form, and may contain various nutrients and additives.

  • Sterilization of media is crucial to prevent contamination.

  • Examples of media preparations include...read more

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Q9. What is Root cause and problem solving different?

Ans.

Root cause analysis is identifying the underlying cause of a problem, while problem solving is finding a solution to the problem.

  • Root cause analysis involves identifying the underlying cause of a problem, while problem solving involves finding a solution to the problem.

  • Root cause analysis is a process of identifying the source of a problem, while problem solving is a process of finding a solution to the problem.

  • Root cause analysis is a proactive approach to problem solving, w...read more

Q10. What are the current Good Manufacturing Practice (cGMP) guidelines?

Ans.

cGMP guidelines are regulations ensuring the quality, safety, and efficacy of pharmaceutical products.

  • cGMP guidelines are regulations set by regulatory agencies to ensure the quality, safety, and efficacy of pharmaceutical products.

  • They cover various aspects of manufacturing, including facility design, equipment maintenance, personnel training, and record-keeping.

  • Examples of cGMP requirements include proper documentation of manufacturing processes, regular equipment calibrati...read more

Q11. How to solve that any there of problems at production's?

Ans.

To solve production problems, identify root causes, implement corrective actions, and monitor effectiveness.

  • Identify the problem by analyzing data and conducting investigations

  • Determine the root cause using tools like fishbone diagram or 5 Whys

  • Implement corrective actions to address the root cause

  • Monitor the effectiveness of the solutions through testing and data analysis

  • Continuously improve processes to prevent future problems

Q12. How can we reduce the water cement ratio

Ans.

The water cement ratio can be reduced by using less water or increasing the amount of cement in the mixture.

  • Use a lower water content in the mix

  • Increase the amount of cement in the mix

  • Use additives or admixtures to improve workability without increasing water content

  • Optimize the particle size distribution of the aggregates

  • Use a higher grade of cement

Q13. Which name change of ICH guidelines from previous name ?

Ans.

The name change of ICH guidelines from previous name is ICH Harmonised Tripartite Guideline.

  • The previous name was International Conference on Harmonisation of Technical Requirements for Registration of Pharmaceuticals for Human Use (ICH)

  • The new name is ICH Harmonised Tripartite Guideline

Q14. How to prepare 1N H2SO4 Descriptive method

Ans.

To prepare 1N H2SO4, dilute concentrated sulfuric acid with distilled water.

  • Start with concentrated sulfuric acid

  • Measure the required volume of sulfuric acid

  • Add the acid slowly to a container

  • Take distilled water in a separate container

  • Measure the required volume of water

  • Slowly add the water to the container with acid

  • Mix the solution thoroughly

  • Check the pH using a pH meter or indicator paper

  • Adjust the concentration by adding more acid or water if needed

Q15. What HACCP? How to do hazard analysis?

Ans.

HACCP is a food safety management system. Hazard analysis involves identifying potential hazards and implementing controls to prevent them.

  • HACCP stands for Hazard Analysis and Critical Control Points

  • It is a systematic approach to identifying and controlling food safety hazards

  • Hazard analysis involves identifying potential hazards and assessing their likelihood and severity

  • Controls are then implemented to prevent or reduce the likelihood of hazards occurring

  • Examples of hazards...read more

Q16. What is 5S ? What is Kaizen? What is defect?

Ans.

5S is a workplace organization method. Kaizen is a continuous improvement approach. Defect is a non-conformance to requirements.

  • 5S involves sorting, simplifying, sweeping, standardizing, and sustaining.

  • Kaizen involves identifying and eliminating waste, improving processes, and involving all employees in the improvement process.

  • Defects are any non-conformance to requirements, such as a product that does not meet specifications or a service that does not meet customer expectati...read more

Q17. What Is Class? & Manual Testing

Ans.

Class is a blueprint for creating objects in object-oriented programming. Manual testing is the process of testing software manually.

  • In object-oriented programming, a class is a template for creating objects that define its properties and behaviors.

  • Manual testing involves testing software manually without the use of automated tools.

  • Manual testing includes functional testing, regression testing, and exploratory testing.

  • Examples of manual testing include user acceptance testing...read more

Q18. Analysis of all incoming raw materials FG Product dispatch base oil Additives

Ans.

Analysis of incoming raw materials and FG product dispatch involves testing base oil and additives for quality control purposes.

  • Perform thorough testing on incoming raw materials to ensure quality standards are met

  • Conduct analysis on FG product dispatch to verify consistency and quality

  • Test base oil for purity and quality before using in production processes

  • Analyze additives for effectiveness and compatibility with base oil

  • Maintain detailed records of all testing procedures a...read more

Q19. What is HACCP? List of steps involved

Ans.

HACCP is a food safety management system that identifies and controls hazards.

  • HACCP stands for Hazard Analysis and Critical Control Points

  • It involves seven principles: Conduct a hazard analysis, Determine the critical control points (CCPs), Establish critical limits, Establish monitoring procedures, Establish corrective actions, Establish verification procedures, Establish record-keeping and documentation procedures

  • Example: In a meat processing plant, a CCP could be the cooki...read more

Q20. How many QC tools are there?

Ans.

There are seven basic QC tools.

  • The seven basic QC tools are: cause-and-effect diagrams, flowcharts, check sheets, histograms, Pareto charts, scatter diagrams, and control charts.

  • These tools are used to identify and solve quality problems in a systematic way.

  • Each tool has its own specific purpose and can be used in different stages of the quality control process.

  • For example, a cause-and-effect diagram can be used to identify the root cause of a problem, while a control chart c...read more

Q21. Precautions on cube mould before casting

Ans.

Precautions on cube mould before casting

  • Ensure the cube mould is clean and free from any debris or previous concrete residue

  • Apply a thin layer of oil or release agent to the inner surfaces of the mould to prevent sticking

  • Check for any cracks or damage in the mould and replace if necessary

  • Ensure the mould is properly aligned and securely fastened to prevent any leakage

  • Use a vibrating table or vibrating rod to remove any air bubbles and ensure proper compaction

  • Label the mould w...read more

Q22. Water cement ratio and its effect on concrete

Ans.

Water cement ratio is the ratio of the weight of water to the weight of cement used in a concrete mix. It affects the strength and durability of concrete.

  • Water cement ratio determines the workability of concrete. Higher water content makes the mix more fluid and easier to work with.

  • Excess water in the mix can lead to segregation and bleeding, resulting in a weaker and less durable concrete.

  • A lower water cement ratio produces a stronger and more durable concrete, but it may be...read more

Q23. What is BMR Nd BOM?

Ans.

BMR stands for Basal Metabolic Rate and BOM stands for Bill of Materials.

  • BMR is the amount of energy expended by a person at rest.

  • BOM is a list of all the materials required to manufacture a product.

  • BMR is used in nutrition and weight management.

  • BOM is used in manufacturing and production planning.

  • Examples of BOM include a list of parts required to build a car or a computer.

  • BMR can be affected by factors such as age, gender, weight, and activity level.

Q24. Which product you have qc before

Ans.

I have QC'd pharmaceutical products such as tablets, capsules, and syrups.

  • Performed visual inspections for defects

  • Conducted chemical analysis for potency and purity

  • Ensured compliance with regulatory standards

  • Documented all QC activities and results

Q25. List count of Vernier caliper in inch?

Ans.

The count of Vernier caliper in inch varies based on the manufacturer and model.

  • The count of Vernier caliper in inch can range from 0 to 12 inches.

  • Some Vernier calipers may have both inch and metric scales.

  • It is important to check the manufacturer's specifications for the specific Vernier caliper being used.

Q26. Types of Admixture and their role

Ans.

Admixtures are substances added to concrete or mortar to enhance its properties.

  • Water-reducing admixtures: reduce the amount of water needed for the desired workability of concrete.

  • Retarding admixtures: delay the setting time of concrete, allowing more time for placement and finishing.

  • Accelerating admixtures: speed up the setting time of concrete, useful in cold weather conditions.

  • Air-entraining admixtures: create small air bubbles in concrete, improving its resistance to fre...read more

Q27. What is the thickness of marble

Ans.

The thickness of marble varies depending on the type and purpose, typically ranging from 3/4 inch to 1 1/4 inch for countertops and 1/4 inch to 3/4 inch for tiles.

  • Marble thickness for countertops is usually between 3/4 inch to 1 1/4 inch.

  • Marble thickness for tiles can range from 1/4 inch to 3/4 inch.

  • Different types of marble may have different thickness requirements based on their intended use.

Q28. Testing of plant parameters as per your experience.

Ans.

Testing of plant parameters involves ensuring that all critical parameters are within specified limits to maintain optimal plant performance.

  • Conducting regular testing of parameters such as temperature, pressure, flow rate, and chemical composition

  • Using various testing equipment such as thermometers, pressure gauges, flow meters, and analyzers

  • Comparing test results with established standards and taking corrective actions if parameters are out of range

  • Documenting test results ...read more

Q29. Whats means of qc how to qc control u

Ans.

QC means quality control. It is a process of ensuring that products or services meet the desired quality standards.

  • QC involves monitoring and testing products or services to ensure they meet the desired quality standards.

  • QC also involves identifying and correcting any defects or issues that are found during the testing process.

  • QC can be done through various methods such as statistical process control, inspection, and testing.

  • QC is important to ensure customer satisfaction and...read more

Q30. What is deviation and change control

Ans.

Deviation and change control are processes used in quality management to document and manage any deviations from standard procedures and any changes made to processes or products.

  • Deviation refers to a departure from standard procedures or specifications.

  • Change control is the process of managing changes to processes, products, or systems in a controlled manner.

  • Deviation and change control help ensure that any deviations or changes are documented, investigated, and resolved in ...read more

Q31. Normality principle of intrument acid base

Ans.

The normality principle states that one equivalent of an acid reacts with one equivalent of a base.

  • Normality is a measure of the concentration of acid or base in a solution.

  • One equivalent of an acid is the amount of acid that can donate one mole of hydrogen ions.

  • One equivalent of a base is the amount of base that can accept one mole of hydrogen ions.

  • The normality principle is used in titration to determine the concentration of an unknown solution.

  • For example, if 25 mL of 0.1 ...read more

Q32. Tell about plating powder coating

Ans.

Plating powder coating is a process of applying a dry powder to a metal surface and then heating it to form a protective layer.

  • Powder coating involves electrostatically spraying powder onto a metal surface

  • The coated metal is then heated in an oven to melt and flow the powder into a smooth film

  • The result is a durable, uniform, and high-quality finish

  • Examples of powder coated items include automotive parts, appliances, and furniture

Q33. What is the thickness of Gypsum plaster

Ans.

The thickness of Gypsum plaster can vary depending on the application, but typically ranges from 2-20mm.

  • Gypsum plaster thickness can vary based on the type of application, such as wall plastering or ceiling plastering.

  • For wall plastering, the thickness of Gypsum plaster is usually around 12-15mm.

  • For ceiling plastering, the thickness of Gypsum plaster is typically around 6-8mm.

  • The thickness of Gypsum plaster may also depend on the quality of the plaster and the desired finish.

Q34. What is capa process?

Ans.

CAPA process stands for Corrective and Preventive Action process.

  • It is a systematic approach to identify, investigate, and resolve quality issues.

  • It involves root cause analysis, corrective action, and preventive action.

  • CAPA process helps in continuous improvement of products and processes.

  • Examples include customer complaints, non-conformances, and audit findings.

Q35. Operating procedures for analytical instruments

Ans.

Operating procedures for analytical instruments

  • Ensure instruments are calibrated and maintained regularly

  • Follow manufacturer's instructions for operation and maintenance

  • Document all procedures and results accurately

  • Train operators on proper use and maintenance of instruments

  • Perform regular quality control checks to ensure accuracy of results

Q36. How defect came in product

Ans.

Defects in products can occur due to various reasons such as human error, machine malfunction, inadequate testing, or incorrect specifications.

  • Human error during production or assembly process

  • Machine malfunction or equipment failure

  • Inadequate testing procedures or insufficient quality control measures

  • Incorrect specifications or design flaws

  • Environmental factors such as temperature or humidity affecting product quality

Q37. Whatis qc and qc tools

Ans.

QC stands for Quality Control. It is a process of ensuring that products or services meet the desired quality standards.

  • QC tools are used to monitor and control the quality of products or services

  • Some common QC tools include statistical process control, control charts, Pareto charts, and Ishikawa diagrams

  • QC helps to identify defects and prevent them from occurring in the future

  • QC is an important part of the manufacturing process and helps to ensure customer satisfaction

Q38. What is chromatography

Ans.

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.

  • Gas chromatography is used to separate volatile compounds, while li...read more

Q39. How was parma industry

Ans.

The pharma industry is a rapidly growing sector that plays a crucial role in the healthcare system.

  • The industry is highly regulated to ensure safety and efficacy of drugs.

  • It is constantly evolving with new technologies and innovations.

  • The industry faces challenges such as patent expirations and generic competition.

  • Pharmaceutical companies invest heavily in research and development.

  • The industry has been impacted by the COVID-19 pandemic with increased demand for certain drugs ...read more

Q40. Bug writing with proper format

Ans.

Bug writing involves documenting software defects in a structured format.

  • Include a clear title or summary of the bug

  • Provide steps to reproduce the bug

  • Include expected and actual results

  • Attach relevant screenshots or logs if necessary

Q41. What is Ra Value?

Ans.

Ra value is a measure of surface roughness in engineering and manufacturing.

  • Ra stands for Roughness Average.

  • It is measured in micrometers (μm) or microinches (μin).

  • Ra value is determined by calculating the average distance between the peaks and valleys of a surface profile.

  • It is commonly used in industries such as automotive, aerospace, and medical device manufacturing to ensure product quality and performance.

  • For example, a Ra value of 0.2 μm indicates a smoother surface tha...read more

Q42. What software do you use?

Ans.

I primarily use Microsoft Excel for data analysis and reporting.

  • Microsoft Excel for data analysis

  • Quality management software for documentation and tracking

  • Statistical software for data interpretation

Q43. What is food safety plan?

Ans.

A food safety plan is a document that outlines the procedures and controls in place to ensure the safety of food products.

  • Identifies potential hazards and outlines preventive measures

  • Includes monitoring and verification procedures

  • Establishes corrective actions in case of deviations

  • Must be developed and implemented by food businesses

  • Examples include HACCP and FSMA

Q44. What is haccp and its point.

Ans.

HACCP stands for Hazard Analysis and Critical Control Points. It is a systematic preventive approach to food safety.

  • HACCP is a management system in which food safety is addressed through the analysis and control of biological, chemical, and physical hazards from raw material production, procurement and handling, to manufacturing, distribution and consumption of the finished product.

  • The main points of HACCP include conducting a hazard analysis, determining critical control poi...read more

Q45. What is welding?

Ans.

Welding is a process of joining two or more metal pieces by heating them to a melting point and then allowing them to cool and fuse together.

  • Welding involves the use of heat and pressure to join metal pieces together.

  • There are several types of welding techniques, including MIG, TIG, and stick welding.

  • Welding is commonly used in construction, manufacturing, and repair work.

  • Proper safety precautions must be taken when welding to prevent injury or damage to equipment.

  • Welding req...read more

Q46. Disinttrigation time of tablet??

Ans.

Disintegration time of a tablet refers to the time taken for a tablet to break down into smaller particles in the presence of water.

  • Disintegration time is an important parameter in the evaluation of tablet dosage forms.

  • It is determined by placing the tablet in a disintegration apparatus and observing the time taken for it to break down.

  • The USP sets standards for disintegration time for different types of tablets.

  • For example, uncoated tablets should disintegrate within 15 minu...read more

Q47. Whats is pareto analysis

Ans.

Pareto analysis is a technique used to identify the most significant causes of a problem or issue.

  • It is based on the Pareto principle, which states that 80% of the effects come from 20% of the causes.

  • It involves creating a histogram to identify the frequency of each cause and ranking them in order of importance.

  • The top few causes are then targeted for improvement to have the greatest impact on the problem.

  • For example, in a manufacturing process, Pareto analysis may reveal tha...read more

Q48. Oxygen level in fresh air

Ans.

The oxygen level in fresh air is approximately 21%.

  • The oxygen level in fresh air is constant and does not vary significantly.

  • Oxygen is essential for the survival of living organisms.

  • The oxygen level can be measured using an oxygen sensor or an oxygen analyzer.

  • The oxygen level in fresh air is higher at higher altitudes due to lower atmospheric pressure.

  • The oxygen level in indoor environments can be lower due to factors like poor ventilation or pollution.

Q49. What is black box testing?

Ans.

Black box testing is a software testing method where the internal structure, design, and implementation of the software being tested is not known to the tester.

  • Tests are conducted based on the software's specifications and requirements.

  • Focus is on the functionality of the software rather than its internal code.

  • Testers are not required to have knowledge of programming languages or code.

  • Examples include user acceptance testing, system testing, and regression testing.

Q50. What is pharmacopia?

Ans.

Pharmacopia is a book containing information about drugs and their preparation.

  • Pharmacopia is a reference book for pharmacists and pharmaceutical manufacturers.

  • It contains information about drugs, their preparation, and quality standards.

  • Pharmacopia is used to ensure the safety and efficacy of drugs.

  • Examples of pharmacopoeias include the United States Pharmacopeia (USP) and the British Pharmacopoeia (BP).

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