Huge ice blocks are covered with sawdust and packed in jute sacks during transfer. Why?
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Answered by
17
Air is trapped inside gunny bag fiber and saw dust act as a insulation to ice and keeps the temperature low of ice.
Hot out side air cannot reach the ice block and cannot melt the ice.
Saw dust is an abundant product of sawmill and is disposed off.
This is utilized by the ice factory for transporting it over long distance.
Hot out side air cannot reach the ice block and cannot melt the ice.
Saw dust is an abundant product of sawmill and is disposed off.
This is utilized by the ice factory for transporting it over long distance.
Answered by
4
Covering ice cubes with sawdust is one of the effective insulating method to prevent the ice cubes from melting during transportation. The technique of preserving the ice cubes was more commonly followed before the invention of mechanical refrigerator in 1805.
Ice cubes were stored by insulating the outer part of the ice cube with hay and sawdust as they prevent the exposure of inc cube to the warm surrounding.
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