问题 问答题 论述题

磨机运转过程中出现下列现象必须停车?

答案

参考答案:

磨机正常运转,发生下列情况之一时,需立即停机检查排除。

(1)减速系统或磨机齿轮运转声音不正常,振动较大时。

(2)大小轴瓦温度超过规定范围以上,或振动严重以及润滑系统失灵。

(3)衬板或磨门的螺栓松动掉落,筒体漏灰时。

(4)输送设备发生故障,影响粉磨系统的正常工作时

(5)磨机电动机电压太低,电流太大,或电机超过规定温度时

(6)有关附属设备或其他零件发生故障损坏时。

选择题
阅读理解

                                      B

Sunday, October 5                                                        

Clear, 69°F

My wife, Eleanor and I took the train from Paris to Strasbourg, where we were met by our driver and guide, and the minibus which goes along with the boat. We stopped off in Barn for an hour on the way. Then we were taken to Nancy where the boat was kept.

After the other passengers arrived, we had our first dinner on the boat. After dinner we walked into downtown Nancy, a village with a large square and wooden houses.

Monday, October 6                           

Rained last night, cloudy in the morning, 69°F

We spent about two hours in Nancy, and then sailed on the Canal de la Marne au Rhine. Kind of a lazy day. Eating breakfast, lunch, and dinner, after dinner we watched a tape on Baccarat, where we will visit tomorrow. It was pleasant to sit out on deck (甲板)and watch the scenery go by at about 3 mph.

Tuesday, October 7                             

Light rain, 64°F

This mourning we drove over to Baccarat and toured its museum and the church, which has this unbelievable lamp that is going on a world tour the next day. We did lost of shopping, then walked across the bridge to see a very, very modern Catholic church with special Baccarat windows.

We drove to the top of the Voges Mountains and started down the eastern side. Later we drove to Sorrenbourg to see the 13th century church at the Cordeliers. It contains the largest window by Mar.

Wednesday, Ocrober8

Cloudy.65 °F

Today we sailed from Schneckenbush to Saverne. We went though two caves, an extremely unusual part of the journey. This river scenery is very different. We were in a mountain valley with grassland on one side and a forest beginning to show some color on the other.

Thursday, Ocrober9

Cloudy, 66°F

Our dependable minibus was waiting to load the luggage and take us to the hotel where everyone went their separate ways. Our boating days are over until next time.

小题1:Where did the author get off the train?

A.Paris

B.Barn

C.Nancy

D.Strasbourg小题2:On which days did the tourists spend most of their time on the boat?

A.Monday and Wednesday

B.Tuesday and Wednesday

C.Wednesday and Wednesday

D.Monday and Tuesday小题3:From the text, we learn that Baccarat and Sorrenbourg are the names of_________.

A.churches

B.towns

C.museums

D.mountains小题4:What does the author think of the tour?

A.Tiring

B.Expensive

C.Enjoyable

D.Quick