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Below water category can be used for pharmaceutical production, except?

• Drinking Water

• Purified Water

• Highly Purified Water

• WFI

Below pretreatment function to remove minerals, is:

• Control Fouling

• Control Biofilm

• Control Scaling

• Control Microorganism

What is WFI requirement based on European regulation?

• Purified by reverse osmosis

• Produced only by distillation

• Ultrafiltration

• No correct answer

Slight scaling in water systems can be considered beneficial because:

• It increases water hardness

• It reduces TDS levels

• It coats metal pipes with harmless minerals to prevent corrosion

• It improves water taste

Below are some good engineering practices to reduce microbial growth, except?

• Minimize or eliminate dead legs

• Vertical orientation

• Water velocity during looping

• Price of the system

Herewith the specific requirements for WFI:

• Endotoxin

• TDS

• pH

• Conductivity

Which is included in the scope of water treatment in pharmaceuticals?

• Designing packaging

• Defining required water quality

• Marketing strategy

• Tablet coating process

What is the main purpose of pretreatment in water systems?

• To replace final treatment entirely

• To reduce the burden and cost of final treatment

• To improve taste of water

• To sterilize packaging

Which of the following is an example of organic foulants in pretreatment?

• Calcium carbonate

• Macromolecules

• Sand particles

• Chlorine gas

What is one reason EDI (Electro-Deionisation) is preferred in water treatment?

• High operational cost

• No issue with wastewater from regeneration

• Requires frequent regeneration

• Produces distilled water