單項(xiàng)選擇題顆粒狀原料一般占原料量的()

A.10%~20%
B.20%~30%
C.60%~80%
D.80%~90%


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1.單項(xiàng)選擇題國外斗式提升機(jī)的最大提高高度是()

A.80m
B.120m
C.300m
D.350m

2.單項(xiàng)選擇題我國斗式提升機(jī)的最在提升高度達(dá)()

A.80m
B.120m
C.300m
D.350m

3.單項(xiàng)選擇題SCY100型圓筒清理篩的相應(yīng)處理量是()

A.10~20t
B.40~60t
C.20~40t
D.60~80t

4.單項(xiàng)選擇題SCY80型圓筒清理篩的相應(yīng)處理量是()

A.10~20t
B.40~60t
C.20~40t
D.100~120t

5.單項(xiàng)選擇題SCY63型圓筒清理篩的相應(yīng)處理量是()

A.10~20t
B.40~60t
C.20~40t
D.100~120t

6.單項(xiàng)選擇題SCY50型圓筒清理篩的相應(yīng)處理量是()

A.10~20t
B.40~60t
C.20~40t
D.100~120t

7.單項(xiàng)選擇題SCY125型圓筒清理篩的相應(yīng)處理量是()

A.10~20t
B.40~60t
C.20~40t
D.100~120t

8.單項(xiàng)選擇題磁選時(shí)料層的厚度要控制在()

A.10~15m
B.15~20m
C.1~3m
D.3~5m

9.單項(xiàng)選擇題磁選時(shí),物料的流速不宜過大,約為()

A.10~15m/s
B.3.0~5m/s
C.1.0~1.5m/s
D.0.15~0.2m/s

10.單項(xiàng)選擇題微粉碎機(jī)的產(chǎn)量是()

A.30~50t
B.50~100t
C.10~20t
D.1~10t