PhyCARE Solutions Operation Anlysts Interview Questions and Answers

Area classification refers to the categorization of hazardous areas based on the likelihood of explosive atmospheres.

• Area classification is important for ensuring safety in environments where explosive atmospheres may be present.

• It involves identifying and classifying areas based on the likelihood of explosive gas or dust being present.

• Examples of hazardous areas include oil refineries, chemical plants, and grain silos...read more

Hydrophobic repels water, hydrophilic attracts water.

• Hydrophobic substances do not mix with water

• Hydrophilic substances mix well with water

• Hydrophobic molecules have non-polar bonds

• Hydrophilic molecules have polar or ionic bonds

• Examples: Oil is hydrophobic, salt is hydrophilic