Waters Corporation Product Specialist Interview Questions and Answers

Q1. Unit operations and transport phenomena
Ans. 
Unit operations and transport phenomena are essential concepts in chemical engineering, involving processes like distillation, filtration, and heat transfer.
• Unit operations refer to individual processes in chemical engineering, such as distillation, filtration, and crystallization.

• Transport phenomena involve the movement of mass, energy, and momentum in chemical processes.

• Examples of transport phenomena include heat tr...read more
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Q1. Tablet and its types API excipients Disintegration Ph Dissolution Vitamins
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Q1. How much f0 value should be in autoclave?
Ans. 
The f0 value in autoclave should typically be at least 8 to ensure proper sterilization.
• The f0 value is a measure of the lethality of a sterilization process, taking into account both time and temperature.

• A minimum f0 value of 8 is commonly recommended for autoclaves to ensure proper sterilization.

• Factors such as the type of load being sterilized and the desired level of sterility may influence the required f0 value.
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Q2. In tunnel depyrogenation zone vials how much time should be sterilization
Ans. 
The sterilization time in tunnel depyrogenation zone vials varies depending on the specific process and equipment used.
• Sterilization time can range from a few minutes to over an hour, depending on the temperature and method of sterilization.

• Factors such as the type of vials, the level of contamination, and the desired sterility assurance level also impact the sterilization time.

• For example, a tunnel depyrogenation proc...read more
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Q3. Why we are Doing VLT in autoclave
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Q4. Why we are doing In autoclave bowie test
Ans. 
Autoclave Bowie test is conducted to ensure the sterilization process is effective and meets industry standards.
• To ensure that the autoclave is functioning properly and effectively sterilizing equipment

• To meet industry standards and regulations for sterilization processes

• To verify that the autoclave is killing all microorganisms and spores

• To prevent contamination and ensure the safety of patients and staff
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Q5. What will ensure in bowie test
Ans. 
Ensuring proper testing procedures and accurate results in the bowie test.
• Properly calibrating equipment before conducting the test

• Following standardized testing protocols

• Ensuring the test samples are handled and stored correctly

• Regularly maintaining and servicing testing equipment

• Training staff on how to conduct the test accurately
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Q1. Technical questions ,
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Q2. Manufacturing relative questions
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Q3. Technical round, qa rounds, hr round
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It was very easy basic qns

Q1. Why would you like to work for this company
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Q1. What is unit operations and unit process?
Ans. 
Unit operations are individual steps in a process, while unit processes are a combination of unit operations to achieve a specific goal.
• Unit operations are basic steps in a process that involve physical changes, such as mixing, filtration, and distillation.

• Unit processes are a series of unit operations combined to achieve a specific chemical or physical transformation, such as a chemical reaction or purification.

• Unit o...read more
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Q2. How to do separation?
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Separation can be achieved by identifying distinct components and implementing processes to isolate them.
• Identify the components that need to be separated

• Choose a suitable separation method such as filtration, distillation, or chromatography

• Implement the chosen method to isolate the components

• Ensure proper handling and disposal of separated components
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Q1. Scada, solvent related, reactors, utilities
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Q1. Why are you looking for a change?
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Q2. What are your salary expectations?
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