Pfizer Interview Questions, Process, and Tips

Q1. Sell a pen with your skill
Ans. 
I can sell a pen by highlighting its quality, versatility, and practicality.
• Emphasize the pen's smooth writing experience

• Highlight its durability and long-lasting ink

• Mention its versatility for various writing tasks

• Show how it enhances professionalism and productivity

• Offer a competitive price compared to similar pens
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Q1. 1. What are the Different types of Energies and explain any 3 of them ? 2. Explain Ohms Law ? 3. Difference between 2 - Stroke and 4- Stroke Engine ?
Ans. 
Answers to questions related to energy types, Ohm's law, and engine strokes.
• Different types of energies include kinetic, potential, thermal, electrical, and chemical.

• Ohm's law states that the current through a conductor between two points is directly proportional to the voltage across the two points.

• 2-stroke engines have a power stroke every revolution, while 4-stroke engines have a power stroke every other revolution.
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Q2. Explain the process of Producing Electricity by Hydraulic ?
Ans. 
Hydraulic power is used to generate electricity by harnessing the energy of falling water.
• Water is stored in a reservoir and released through a dam to turn a turbine.

• The turbine is connected to a generator which converts the mechanical energy into electrical energy.

• The electricity is then transmitted through power lines to homes and businesses.

• Hydroelectric power is a renewable energy source that produces no greenhouse...read more
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Basic Test on Aptitude and Reasoning

Q1. Have you know/done Hplc operation and calibration?
Ans. 
Yes, I have experience in operating and calibrating HPLC machines.
• I have operated HPLC machines to analyze samples and determine their chemical composition.

• I have calibrated HPLC machines to ensure accurate and precise results.

• I am familiar with troubleshooting common issues that may arise during HPLC operation.

• I have experience with various types of HPLC columns and detectors.

• I am knowledgeable about HPLC software and...read more
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Q2. What is 21 CFR and what is ALCOA?
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Q3. Checked the practical knowledge of HPLC integration
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Q4. What is audit trial and how to archive
Ans. 
Audit trial is a record of all activities performed on a system. It helps in tracking changes and identifying errors.
• Audit trial is important for maintaining data integrity and security.

• It helps in identifying who made changes to the system and when.

• Archiving audit trails involves storing them in a secure location for future reference.

• Audit trails should be regularly reviewed to ensure compliance with regulations and p...read more
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Q5. What is meta data and alcoa
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Test consist of general knowledge, test of reasoning, maths and analysis

Usually current topics are given. I knew you need to express your views which is superior than others.

Q1. Tell me something about yourself . what you know about our company.
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