Caking index of a coal is a measure of its _______________________?
Correct answer: C. Agglutinating (binding) properties
- A. Abradability
- B. Reactivity
- C. Agglutinating (binding) properties
- D. Porosity
Explanation
The caking index indicates how strongly coal particles soften and bind together when heated, forming a coherent coke. It therefore measures agglutinating or binding properties, not porosity or abrasion.
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