Prescient Healthcare Group Research Analyst Interview Questions and Answers

Q1. How many stability Conditions there?Explain in details
Ans. 
There are three stability conditions: asymptotic stability, bounded-input bounded-output stability, and Lyapunov stability.
• Asymptotic stability: System returns to a stable equilibrium point over time.

• Bounded-input bounded-output stability: System output remains bounded for bounded input signals.

• Lyapunov stability: System satisfies Lyapunov's direct method or Lyapunov's indirect method.
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Q2. Types of Stability Zone & Which we are Coming
Ans. 
There are three types of stability zones: Zone I, Zone II, and Zone III. We are currently in Zone III.
• Zone I: Most stable, low risk of failure, typically used for long-term storage of products.

• Zone II: Intermediate stability, moderate risk of failure, used for products with moderate shelf life.

• Zone III: Least stable, high risk of failure, used for products with short shelf life or requiring special storage conditions.
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Q3. Particle Size Analyser Basic Principle , Limit , Unit , Range, PDI
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Q4. What is Zeta Sizer , Basic Principle , Unit , Range , Uses
Ans. 
Zeta Sizer is a device used to measure the electrophoretic mobility of particles in a liquid medium.
• Basic principle involves measuring the velocity of particles in an electric field.

• Unit of measurement is usually in zeta potential (mV).

• Range of measurement typically varies depending on the specific model of the Zeta Sizer.

• Common uses include studying colloidal stability, particle size distribution, and surface charge o
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Q5. What is Solution Clarity Test?? How to determine it
Ans. 
Solution Clarity Test is a test to determine the transparency of a solution.
• Solution Clarity Test is used to assess how clear or transparent a solution is.

• It is commonly performed in industries such as pharmaceuticals, food and beverage, and cosmetics.

• One common method to determine solution clarity is visual inspection against a light source.

• Another method is to use a spectrophotometer to measure the absorbance of ligh...read more
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Q6. What is Osmolarity ? Unit , Limit , Range , Definition
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Mathematical and Logical Reasoning

Q1. Technical, Guidelines, pharmaceuticals, Regulations
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Q2. USP Apparatus, Dissolution Method
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Descriptive assessment consist of 15 questions

Q1. Chemistry Reactions
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Q1. Background information Technical knowledge on instruments and process Information on current trends in industry
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Q2. Current trends in industry
Ans. 
Industry trends include automation, AI, sustainability, and remote work.
• Automation is becoming increasingly prevalent in manufacturing and other industries.

• Artificial intelligence is being used for data analysis and decision-making.

• Sustainability is a growing concern, with companies focusing on reducing waste and carbon emissions.

• Remote work is becoming more common, with many companies adopting flexible work arrangemen
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