The Rittinger number, representing fresh surface area created per unit of absorbed mechanical energy, depends upon the______________________?
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Answer: D. All A., B. and C.
Explanation
Rittinger number depends heavily on how the crushing force is applied to fracture the solid material. Ultimate strength and elastic constants determine the energy required to initiate cracks within the mineral matrix. Mechanical design and operational modes directly influence the efficiency of new surface area generation. Rittinger hypothesis states that work consumed in crushing is proportional to the new surface area created. Material mechanical properties dictate its resistance to brittle fracture under compressive or impact loads. Surface energy parameters vary significantly between different rock types processed in industrial mills.
Comminution energy modeling relies on Rittinger parameters to estimate power requirements in fine grinding mills. Metallurgical plants optimize mill operations by understanding how material hardness affects surface energy generation. Accurate energy estimation reduces operating costs and prevents mechanical overloads during mineral processing. Options A, B, and C each represent partial factors that influence comminution energy and surface creation. Option A alone omits material strength properties which are vital to energy calculations. Option B and C alone ignore mechanical force application modes and operational machine designs.
- Subject
- Engineering
- Category
- Chemical Engineering
- Topic
- —
- Difficulty
- medium
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