Parexel International Executive Interview Questions and Answers

Q1. What are different types of reactors
Ans. 
Reactors are vessels used for chemical reactions. Different types include batch, continuous, stirred tank, and plug flow reactors.
• Batch reactors are used for small-scale production and testing.

• Continuous reactors are used for large-scale production and can operate continuously for long periods of time.

• Stirred tank reactors are used for mixing and heating/cooling of liquids.

• Plug flow reactors are used for reactions that...read more
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Q1. Personal information Previous company job description What is GMP, deviation,CAPA, Change Control, Which type equipment handling, technical questions
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Q1. Family Background Total experience Current CTC expected CTC
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Q1. Regarding previous experience 1. Scale up & Scale down 2. Crystallization 3. Heat load Calculations 4. Trouble shoot 5. During Critical Reaction what kind safety precautions will use (like NBL, Thyniol Cl,...read more
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Q1. Some questions related to technical
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Q1. Discussion regarding salary package
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About your company and warking culture

Q1. Salary discussion
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Q1. Tyapes of distillation
Ans. 
Distillation is a process of separating components of a mixture based on their boiling points. There are several types of distillation.
• Simple distillation: used for separating components with large difference in boiling points

• Fractional distillation: used for separating components with closer boiling points

• Vacuum distillation: used for separating components with high boiling points

• Steam distillation: used for separatin...read more
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Q2. Which types of cleaning in pharma industries
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