Run of mine (ROM) coal is crushed by a _________________________ for use in domestic ovens?
Correct answer: B. Hammer crusher
- A. Jaw crusher
- B. Hammer crusher
- C. Ball mill
- D. Tube mill
Explanation
A hammer crusher is commonly used to reduce ROM coal for domestic ovens because its impact action readily breaks relatively brittle coal into suitable small pieces. Jaw crushers are more commonly used for primary crushing of harder, larger lumps.
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