The material of construction of pressure mills used for squeezing out the juice from sugar cane is__________________?
Correct answer: B. Cast iron
- A. Stainless steel
- B. Cast iron
- C. Mild steel
- D. Monel
Explanation
Sugar-cane mills use heavy cast-iron rolls because cast iron withstands the large compressive loads and provides a durable, wear-resistant working surface. Stainless steel and Monel would be unnecessarily expensive for this service.
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