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MSN Laboratories Interview Questions and Answers
94 Interview questions
Star and delta configurations differ in wiring, affecting motor starting and torque characteristics in DOL starters.
Star configuration connects each motor winding to a common point, reducing voltage and current during startup.
Delta configuration connects windings in a loop, providing full voltage and higher starting torque.
DOL starters typically use star configuration for high starting current reduction in large m...
Programming and wiring a VFD involves setup, configuration, and connection to control systems for motor speed regulation.
Select the appropriate VFD based on motor specifications and application requirements.
Wiring involves connecting the VFD to the power supply, motor, and control devices (e.g., switches, sensors).
Configure the VFD parameters such as voltage, frequency, acceleration, and deceleration settings usin...
Proper handling of acids in the lab ensures safety and prevents accidents through training, equipment, and protocols.
Always wear appropriate personal protective equipment (PPE) such as gloves, goggles, and lab coats.
Store acids in designated, labeled cabinets away from incompatible substances, e.g., storing sulfuric acid away from organic materials.
Use acid-resistant containers for transport and storage to prevent...
To avoid particles in solutions, implement filtration, proper storage, and use high-purity reagents.
Use filtration techniques, such as microfiltration or ultrafiltration, to remove particles from solutions.
Ensure all glassware and equipment are thoroughly cleaned and sterilized before use to prevent contamination.
Utilize high-purity reagents and solvents to minimize the introduction of impurities.
Store solutions i...
Effective machine problem rectification involves systematic troubleshooting, maintenance, and continuous improvement strategies.
Conduct regular maintenance checks to identify wear and tear, e.g., lubricating moving parts.
Implement a troubleshooting protocol to diagnose issues, such as using error codes from machinery.
Train staff on proper machine operation to prevent misuse, e.g., providing manuals and hands-on tr...
Bromobenzene can be synthesized from aniline via bromination, typically using bromine in the presence of a catalyst.
1. Start with aniline (C6H5NH2) as the starting material.
2. Use bromine (Br2) as the brominating agent.
3. A catalyst like iron (Fe) or iron(III) bromide (FeBr3) can be used to facilitate the reaction.
4. The reaction proceeds via electrophilic aromatic substitution, where the amino group (-NH2) activa...
The Suzuki reaction is a cross-coupling reaction that forms carbon-carbon bonds using boronic acids and aryl halides.
Involves the coupling of aryl or vinyl boronic acids with aryl halides.
Catalyzed by palladium complexes, often in the presence of a base.
Commonly used to synthesize biaryl compounds, important in pharmaceuticals.
Example: Coupling phenylboronic acid with bromobenzene to form biphenyl.
Widely used in o...
I utilize various analytical methods like spectroscopy and chromatography to analyze organic compounds effectively.
1. Spectroscopy: Techniques like NMR (Nuclear Magnetic Resonance) and IR (Infrared) spectroscopy help identify functional groups and molecular structure.
2. Chromatography: Methods such as HPLC (High-Performance Liquid Chromatography) and GC (Gas Chromatography) are used for separating and quantifying ...
Quality control ensures products meet specified standards through systematic testing and evaluation.
Involves processes to maintain desired levels of quality in products.
Includes inspections, testing, and audits to identify defects.
Example: A car manufacturer tests vehicles for safety and performance.
Utilizes statistical methods to analyze production processes.
Example: A food company conducts regular checks for con...
GC stands for General Counsel, a key legal advisor in organizations, overseeing legal matters and compliance.
General Counsel is responsible for managing the legal department of a company.
They provide legal advice on various issues, including contracts and compliance.
GCs often represent the company in legal disputes and negotiations.
For example, a GC may handle mergers and acquisitions, ensuring legal compliance.
MSN Laboratories Interview Experiences
147 interviews found
Anonymous
Selected
I applied via Job Fair and was interviewed in May 2024. There was 1 interview round.
(7 Questions)
- Q1. What is chemistry
- Ans.
Chemistry is the study of matter, its properties, composition, and interactions.
Chemistry involves understanding the structure and behavior of atoms and molecules.
It explores how substances react with each other and the energy changes that occur during these reactions.
Chemistry is essential in fields such as pharmaceuticals, materials science, and environmental science.
Examples include studying the properties of elemen...
- Q2. Sublimation means
- Q3. What is analytical Chemistry
- Ans.
Analytical chemistry is the branch of chemistry that deals with the analysis of substances to determine their composition and properties.
It involves techniques such as spectroscopy, chromatography, and mass spectrometry.
Analytical chemistry is used in various industries such as pharmaceuticals, environmental monitoring, and food testing.
It plays a crucial role in quality control, research, and development processes.
Ana...
- Q4. Molality defination
- Q5. Gas chromatography principle
- Ans.
Gas chromatography is a technique used to separate and analyze compounds in a gas mixture based on their interaction with a stationary phase.
Gas chromatography involves a sample being vaporized and injected into a column with a stationary phase.
Compounds in the sample interact differently with the stationary phase, causing them to separate based on their properties.
The separated compounds are detected as they exit the ...
- Q6. What is physical properties of analytical Chemistry
- Ans.
Physical properties in analytical chemistry refer to characteristics of substances that can be observed or measured without changing their composition.
Physical properties include color, odor, density, melting point, boiling point, solubility, and conductivity.
These properties help in identifying and characterizing substances in analytical chemistry.
For example, the melting point of a compound can be used to confirm its...
- Q7. What is meant by titration
- Ans.
Titration is a technique used in chemistry to determine the concentration of a substance in a solution.
Titration involves slowly adding a solution of known concentration to a solution of unknown concentration until the reaction reaches its endpoint.
The endpoint is usually indicated by a color change or other observable change.
Titration is commonly used in analytical chemistry to determine the concentration of acids, ba...
Interview Preparation Tips
- NMR ,ESR
I appeared for an interview in Nov 2024.
(5 Questions)
- Q1. What are the current Good Manufacturing Practice (cGMP) guidelines?
- Q2. 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
- Q3. Teell me about urself
- Q4. Why u want chage company
- Q5. What are ur goals
- Ans.
My goal is to ensure high quality standards are met in all aspects of QA QC processes, leading to improved efficiency and customer satisfaction.
Implementing and maintaining quality control procedures
Continuous improvement of quality assurance processes
Training and developing team members to uphold quality standards
Collaborating with other departments to address quality issues
Achieving ISO certification for quality mana...
I applied via Company Website and was interviewed in Oct 2024. There were 4 interview rounds.
(3 Questions)
- Q1. Quality control
- Q2. Bulk Production
- Q3. Batch wise production
(2 Questions)
- Q1. Chemical requried
- Q2. Check chemical expiry date
- Ans.
Chemical expiry date can be checked by looking at the label or packaging.
Check the label or packaging of the chemical for an expiry date
Look for any signs of degradation or changes in color/odor
Consult the manufacturer's guidelines or safety data sheet for expiration information
Good quality,quantity ,
Manufacture product qc check
Interview Preparation Tips
MD IBRAHIM
Selected
- Q1. Can you tell me about yourself, your work experience, and your skills?
- Ans.
Dedicated Store Officer with extensive experience in inventory management and customer service, ensuring efficient store operations.
Over 5 years of experience in retail management, focusing on inventory control and customer satisfaction.
Successfully implemented a new inventory tracking system that reduced stock discrepancies by 30%.
Skilled in training and leading a team of 10 staff members, fostering a collaborative wo...
- Q2. Work performance and work experience
Selected
I applied via Referral and was interviewed in Aug 2024. There was 1 interview round.
(2 Questions)
- Q1. Question as per specialist you are applying.... They select only those candidates who have a good technical knowledge
- Q2. Preference only experience candidate
Interview Preparation Tips
- As per speciality
"ETHICAL WORK CULTURE"
"NO SALES PRESSURE"
" Fast promotion "
Pressure only
" Work compliance "
" 100% company strategy implications"
Ramesh Vishwakarma
Selected
I appeared for an interview in Feb 2025, where I was asked the following questions.
- Q1. We are many Equipment Handling.
- Q2. Thair are many types of Reaction phenol Reaction and Enzyme Reaction
- Q3. Maintainingcleaning
- Q4. Housekeeping neat and clean
- Q5. My warking from,,8hours duty
- Q6. My knowledge are GLR Reacter SSR Reacter and ANFD
- Q7. Centrifuge MTF ANFD FBD AVPF Sparkler Filter Heat Exchanger Various types of Reaction
- Q8. Sparkler Filter
Selected
I appeared for an interview in Feb 2025.
(1 Question)
- Q1. About experience
(1 Question)
- Q1. Method valdations parameters. Acetptance criterias.
(2 Questions)
- Q1. Hplc trouble shootings. Rs calucuations
- Q2. Salry
I applied via Walk-in and was interviewed in Apr 2024. There was 1 interview round.
(5 Questions)
- Q1. What Is Hold Time and what is Hold Time sample?
- Ans.
Hold time is the amount of time a call center agent puts a caller on hold. Hold time sample is a measurement of the average time callers are put on hold.
Hold time is the duration a caller spends waiting on hold during a call.
Hold time sample is a metric used to track and analyze the average hold times of callers.
Reducing hold time can improve customer satisfaction and efficiency in call centers.
- Q2. What is End point of Granulation? and What is End point of Drying?
- Ans.
The end point of granulation is when the desired particle size distribution is achieved. The end point of drying is when the moisture content reaches the specified level.
Granulation end point is determined by particle size distribution
Drying end point is reached when moisture content meets specifications
Examples: Granulation end point - achieving uniform particle size distribution, Drying end point - moisture content o...
- Q3. What is Calibration? and Tell me about Calibration of Moisture analyser,Analytical Balance And Desintegration Test apparatus.
- Ans.
Calibration is the process of adjusting and verifying the accuracy of measuring instruments to ensure they provide correct results.
Calibration of moisture analyser involves checking the accuracy of the instrument by comparing its readings to known standards.
Calibration of analytical balance includes adjusting the balance to ensure it accurately measures the weight of substances.
Calibration of disintegration test appara...
- Q4. What is serialization? what is Mean by GTIN and What it contains?
- Ans.
Serialization is the process of converting an object into a stream of bytes to store or transmit data. GTIN stands for Global Trade Item Number and contains information about a product.
Serialization is used to convert an object into a format that can be easily stored or transmitted, such as JSON or XML.
GTIN is a unique identifier for products in the supply chain, typically encoded in a barcode.
GTIN contains information...
- Q5. What is the challenges in Bottle tablet/capsule filling Machine? Which was the sensor for tablet counting in BFM?
- Ans.
Challenges in bottle tablet/capsule filling machine include accuracy, speed, and maintenance. The sensor for tablet counting in BFM is typically an optical sensor.
Accuracy of tablet/capsule counting
Speed of filling process
Maintenance of the machine
Optical sensor commonly used for tablet counting
Interview Preparation Tips
Skills evaluated in this interview
Selected
I appeared for an interview in Feb 2025.
(2 Questions)
- Q1. Tell me About yourself
- Q2. Previous company details
Interview Preparation Tips
chilakala Venkateswara reddy
Handling of trouble shooting, block maintain capabilities, processes related documents, and forms which are handled in manufacturing
(3 Questions)
- Q1. Process related impurities,
- Q2. Safety precautions at manufacturing
- Ans.
Safety precautions at manufacturing include proper training, use of personal protective equipment, regular equipment maintenance, and emergency response plans.
Provide comprehensive safety training to all employees
Ensure proper use of personal protective equipment (PPE)
Regularly inspect and maintain equipment to prevent accidents
Develop and implement emergency response plans for various scenarios
- Q3. Achievement at career
Interview Preparation Tips
Selected
I applied via Referral and was interviewed in May 2024. There were 2 interview rounds.
(2 Questions)
- Q1. 0.1% solution preparation?
- Ans.
0.1% solution is prepared by dissolving 0.1g of a substance in 100mL of solvent.
Dissolve 0.1g of the substance in 100mL of solvent
Ensure thorough mixing to achieve a uniform concentration
Label the solution properly with the concentration and date of preparation
- Q2. Assay formula and RS formula
(2 Questions)
- Q1. Salary expectation and discussion
- Q2. Ready to move on own expenses
- Ans.
Yes, I am willing to relocate at my own expense for the right opportunity and to further my career growth.
Relocation shows commitment to the role and company.
I have researched the area and am excited about the opportunities it offers.
I understand the importance of being flexible in today's job market.
For example, I previously relocated for an internship, which greatly enhanced my skills.
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MSN Laboratories Interviews By Designations
- MSN Laboratories Executive Interview Questions
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MSN Laboratories Reviews and Ratings
based on 2.6k reviews
Rating in categories
Hyderabad / Secunderabad
5-10 Yrs
Not Disclosed
|
Executive
1.7k
salaries
|  ₹2.4 L/yr - ₹8 L/yr |
|
Senior Executive
1.5k
salaries
| ₹3.9 L/yr - ₹9 L/yr |
|
Junior Manager
671
salaries
| ₹5.7 L/yr - ₹12 L/yr |
|
Junior Executive
552
salaries
| ₹1.7 L/yr - ₹5.2 L/yr |
|
Assistant Manager
327
salaries
| ₹8 L/yr - ₹14.2 L/yr |
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