[Soda ash knowledge] Daily question (76) 2009.12.18
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This post was last edited by chen3jun at 2009-12-18 09:23. Multiple choice question 1. When the lime kiln is under heavy load and the limestone block size is 80-120mm, the kiln height resistance per meter is ( ) A. 50—70Pa B.80—100Pa C.200—400Pa 2. The size range of limestone blocks should be controlled within ( ) A.50—120mm B.20—50mm C.120—150mm 3. The size range of coking coal lumps should be controlled within ( ) A.≤30mm B.≤50mm C.≤80mm 4. Large limestone blocks or uneven burning or over-burning will cause the ash temperature ( ) to A. increase B, remain unchanged C. reduce
1.B 2.A 3.B 4.A
1.B 2.A 3.B 4.A
Multiple choice questions 1. When the lime kiln is under heavy load and the limestone block size is 80-120mm, the kiln height resistance per meter is (B) A. 50—70Pa B.80—100Pa C.200—400Pa 2. The size range of limestone blocks should be controlled within (A) A.50—120mm B.20—50mm C.120—150mm 3. The size range of coking coal lumps should be controlled within (B) A.≤30mm B.≤50mm C.≤80mm 4. Large limestone blocks or uneven burning or over-burning will cause the ash temperature (A) to A. increase B and remain unchanged C. Lower 1# chen3jun
1# chen3jun BABA