Zydus Lifesciences Operator Interview Questions and Answers

The principle of a coating machine is to apply a thin layer of material onto a surface.

• Coating machines use various methods such as spraying, dipping, or rolling to apply the coating material.

• The coating material can be a liquid, powder, or a combination of both.

• The machine ensures uniform and controlled application of the coating material.

• Coating machines are used in various industries like automotive, electronics, an...read more

Titanium dioxide is commonly used as an opacifier in film coating.

• Titanium dioxide is a white pigment that provides opacity and whiteness to film coatings.

• It is widely used in industries such as pharmaceuticals, cosmetics, and food.

• Other opacifiers used in film coating include zinc oxide and calcium carbonate.

Critical process variables are key factors that directly impact the outcome of a process.

• Critical process variables are essential for maintaining quality and efficiency.

• They are measurable and controllable factors that affect the process.

• Examples include temperature, pressure, flow rate, pH level, and reaction time.

• Monitoring and controlling these variables is crucial to ensure desired outcomes.

• Changes in critical proc...read more

During line clearance for coating process, we should check for cleanliness, proper equipment setup, and adherence to safety protocols.

• Ensure the coating area is clean and free from any residue or contaminants.

• Verify that the coating equipment is properly set up and calibrated for the specific coating process.

• Check if all safety measures and protocols are followed, including the use of personal protective equipment (PPE...read more

Data integrity refers to the accuracy, consistency, and reliability of data throughout its lifecycle.

• Ensures data is accurate and reliable

• Prevents unauthorized access or modifications

• Maintains consistency of data across systems

• Examples: checksums, encryption, access controls

Validation is the process of ensuring that data is accurate, complete, and compliant with specified requirements.

• Validation involves checking data for accuracy, completeness, and adherence to specified rules or standards.

• Examples of validation include verifying email addresses have the correct format, ensuring dates are valid, and checking that numerical values fall within a specified range.

• Validation helps to prevent ...read more

Equipment and make refer to the tools and machinery used in a particular operation or process.

• Equipment refers to the physical tools and machinery used in a specific operation or process.

• Make refers to the brand or manufacturer of the equipment.

• For example, in a manufacturing plant, equipment could include conveyor belts, robotic arms, and welding machines, while the make could be companies like Siemens, Fanuc, or Linc