Question:
Which of the following storage systems, works on evaporative cooling?
Which of the following storage systems, works on evaporative cooling?
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ZECC relies purely on evaporative cooling and capillary water action, making it an eco-friendly on-farm storage method for fruits and vegetables.
Updated On: Sep 15, 2026
- CA storage
- Hypobaric storage
- ZECC
- Clamp Storage
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The Correct Option is C
Solution and Explanation
Step 1: Understanding the Concept:
Evaporative cooling uses the latent heat of vaporization of water to lower the dry-bulb ambient temperature while elevating relative humidity.
Step 2: Detailed Explanation:
The Zero Energy Cool Chamber (ZECC) is an on-farm storage structure constructed with double-layered brick walls packed with wet river sand.
As water evaporates from the porous wet sand bed, it extracts sensible heat from the chamber interior, reducing internal temperature by $10\text{--}15^\circ\text{C}$ below ambient while maintaining $> 90\%$ relative humidity without electricity.
Step 3: Final Answer:
Therefore, ZECC is the storage system that operates on evaporative cooling.
Evaporative cooling uses the latent heat of vaporization of water to lower the dry-bulb ambient temperature while elevating relative humidity.
Step 2: Detailed Explanation:
The Zero Energy Cool Chamber (ZECC) is an on-farm storage structure constructed with double-layered brick walls packed with wet river sand.
As water evaporates from the porous wet sand bed, it extracts sensible heat from the chamber interior, reducing internal temperature by $10\text{--}15^\circ\text{C}$ below ambient while maintaining $> 90\%$ relative humidity without electricity.
Step 3: Final Answer:
Therefore, ZECC is the storage system that operates on evaporative cooling.
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