Zydus Lifesciences
Zoho Interview Questions and Answers
Q1. Types of agitator in reactor and what type of flow given by different agitator
Different types of agitators in reactors include paddle, anchor, turbine, and propeller. Each agitator provides a different type of flow such as axial, radial, or tangential flow.
Types of agitators include paddle, anchor, turbine, and propeller
Paddle agitators provide axial flow
Anchor agitators provide radial flow
Turbine agitators provide both axial and radial flow
Propeller agitators provide tangential flow
Q2. What is UV spectroscopy? Working theory?
UV spectroscopy is a technique that uses ultraviolet light to measure the absorption or transmission of light by a sample.
UV spectroscopy is commonly used in chemistry and biochemistry to analyze the structure and purity of molecules.
It can be used to determine the concentration of a substance in a sample.
UV spectroscopy can also be used to study the kinetics of chemical reactions.
The working theory behind UV spectroscopy is that molecules absorb light in the UV range, causin...read more
Q3. What is Distillation and it's type
Distillation is a process of separating components of a liquid mixture based on differences in boiling points.
Distillation involves heating the liquid mixture to create vapor, then cooling the vapor to collect the separated components.
Types of distillation include simple distillation, fractional distillation, and steam distillation.
Simple distillation is used for separating components with significantly different boiling points, while fractional distillation is used for compo...read more
Q4. Classification of Aseptic area.
Aseptic areas are classified based on the level of cleanliness required for the specific process.
Classification is based on the number of particles and microorganisms allowed per cubic meter of air.
There are four classifications: Grade A, B, C, and D.
Grade A is the most critical and requires the highest level of cleanliness.
Examples of aseptic areas include cleanrooms, operating rooms, and pharmaceutical manufacturing facilities.
Q5. defects in tablet trouble shooting
Defects in tablet troubleshooting involve identifying and resolving issues with hardware, software, and user error.
Identify hardware issues such as faulty batteries or broken screens
Troubleshoot software problems such as app crashes or slow performance
Address user errors such as incorrect settings or improper usage
Utilize diagnostic tools and resources to pinpoint and resolve issues
Ensure proper communication with customers to understand and address their concerns
Q6. Behaviour in Aspetic area.
Behaviour in aseptic area is crucial for maintaining sterile environment.
Follow proper gowning and hand hygiene protocols.
Avoid unnecessary movements and talking in the area.
Do not touch anything that is not sterile.
Report any breaches in aseptic technique immediately.
Be aware of potential sources of contamination and take necessary precautions.
Examples: operating room, sterile compounding area, clean room.
Q7. Mode of heat transfer
Heat transfer can occur through conduction, convection, or radiation.
Conduction is the transfer of heat through direct contact between materials, such as a metal spoon heating up in a hot drink.
Convection is the transfer of heat through the movement of fluids, such as boiling water in a pot.
Radiation is the transfer of heat through electromagnetic waves, such as the heat from the sun reaching the Earth.
Q8. Principal of centrifuge
Centrifuge is a machine that uses centrifugal force to separate substances of different densities.
Centrifuges are commonly used in laboratories to separate components of blood, urine, or other substances based on their density.
The principle of centrifuge is based on the spinning of a rotor at high speeds, causing the denser particles to move towards the outer edge while the lighter particles stay closer to the center.
Centrifuges are used in various industries such as pharmace...read more
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