Question

The full form of the HEPA Filter.

• A. Highly Energetic Pure Air Filter
• B. High energy Performance Air Filter
• C. High-efficiency Particulate Air Filter
• D. High-efficiency Performance Air Filter

Hint:

HEPA = High Efficiency + Particulate + Air — remember the three keywords.

Answer 1

The Correct Option is C

Concept: HEPA filters are used in air purification systems to remove extremely small particles from air.

Step 1: Definition.
HEPA stands for: \[ \text{High-efficiency Particulate Air} \]

Step 2: Function.

• Removes particles as small as 0.3 microns
• Used in clean rooms, dairy plants, aseptic packaging

Step 3: Importance.

• Maintains sterile conditions
• Prevents contamination

Step 4: Conclusion.
Thus, correct expansion is High-efficiency Particulate Air Filter.