單項(xiàng)選擇題對(duì)合成氨用煤的固定碳含量FCd(二級(jí))應(yīng)滿足下列要求()

A.≥75.0%
B.大于72.0%~75.0%
C.大于68.0%~72.0%
D.大于65.0%~68.0%


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1.單項(xiàng)選擇題對(duì)合成氨用煤的固定碳含量FCd(一級(jí))應(yīng)滿足下列要求()

A.≥75.0%
B.大于72.0%~75.0%
C.大于68.0%~72.0%
D.大于65.0%~68.0%

2.單項(xiàng)選擇題對(duì)合成氨用煤的全硫含量St,d(三級(jí))應(yīng)滿足下列要求()

A.≤0.50%
B.0.51%~1.00%
C.大于1.00%~1.50%
D.大于1.50%~1.60%

3.單項(xiàng)選擇題對(duì)合成氨用煤的全硫含量St,d(二級(jí))應(yīng)滿足下列要求()

A.≤0.50%
B.0.51%~1.00%
C.大于1.00%~1.50%
D.大于1.50%~1.60%

4.單項(xiàng)選擇題對(duì)合成氨用煤的全硫含量St,d(一級(jí))應(yīng)滿足下列要求()

A.≤0.50%
B.0.51%~1.00%
C.大于1.00%~1.50%
D.大于1.50%~1.60%

5.單項(xiàng)選擇題對(duì)合成氨用煤的三級(jí)灰分Ad應(yīng)滿足下列要求()

A.≤15.00%
B.大于15.00%~19.00%
C.大于19.00%~24.00%
D.大于24.00%~25.00%