问题 问答题 简答题

变压器特殊巡视时应监视什么?

答案

参考答案:

(1)过负荷运行时,应监视负荷、油温和油位的变化,接头接触是否良好,冷却系统是否运行正常;

(2)短路故障后,检查有关组件、接头有无异常,变压器压力释放装置有无喷油现象;

(3)大风天气时,应监视引线摇动情况及是否有搭挂杂物;

(4)雷雨后,应检查变压器各侧避雷器计数器动作情况,检查套管应无破损,裂纹及放电痕迹;

(5)大雾、毛毛雨、小雪天气时,应检查套管、瓷瓶有无电晕、放电打火和火和闪络现象,接头处有无冒热气现象,重点监视污秽瓷质部分;

(6)大雪天气,应检查引线接头有无积雪,观察融雪速度,以判断接头是否过热。检查变压器顶盖、油枕至套管出线间有无积雪、挂冰等情况,油位计、温度计、气体继电器有无积雪覆盖现象;

(7)夜间时,要注意观察引线接头处、线卡,应无过热发红等现象。

完形填空

第二节完形填空(共20小题;每小题1分,满分20分)

请认真阅读下面短文,从短文后各题所给的A、B、C、D四个选项中,选出最佳选项。

I love spending weekends with my grandparents. I felt especially welcome and    36    in Grany’s small kitchen. It was there that we had conversations and Grany always seemed to include a bit of    37    with every recipe she prepared.

I remember one Saturday morning    38   . After breakfast I asked Grany, “What kind of soup are you making today?” “Vegetable beef,” she answered, “And you can help by chopping some carrots and celery.” As I slowly peeled carrots, I    39   , “I’ve got to give an oral work report next week and I’m    40   .”

Grany looked at me and said, “Most people are afraid of    41    speaking. But remember, the only thing you have to fear is fear    42   .”

“But I don’t like standing up in front of everybody.    43    I forget what I’m going to say?”

“Have you prepared    44   ?” asked Grany.

“Well, no. That would be a lot of    45    work.”

“But do you like my soup?” she asked. Soup? I wondered. I thought we were talking about my life.

“I love your soup, Grany.” I said.

“Well, you know, a lot of people don’t    46    homemade soup these days. They say it’s too much trouble. First you have to cook a nice broth(肉汤)and then chop all the vegetables into bite-size pieces.”

“But I don’t    47    a little trouble,” she said. “It adds variety and flavor to my soup and to my life. My soup would be    48    bland(淡而无味的)without the vegetables, and so would my life if it didn’t have the little    49   .”

After pausing she added, “Besides, you have to remember God knows exactly    50    he’s cooking up in your life. You’ve got to trust him with the recipe.” She smiled and then walked to the sink to start washing the dishes.

While I help Grany  51  , I thought as well what she had said. I still had a few days to  52    my oral report.

That Saturday, Grany gave me food for thought as well as a bowl of her homemade soup. Every spoonful of Grany’s masterpiece was    53    with delicious bits of meat and vegetables. As I enjoyed the meal with my grandparents,    54    my problems didn’t seem quite so big any more. I was determined to work on them. Grany had said hard work    55   . Maybe I too could turn a little trouble into something as special as Grany’s homemade soup.

36. A. experienced                B. relaxed                     C. withdrawn                D. tortured

37. A. wisdom                            B. affection                  C. anecdote                   D. fantasy

38. A. as usual                            B. above all                  C. in general                 D. in particular

39. A. wept                          B. suspected                  C. complained               D. mourned

40. A. scared                        B. received                   C. conservative             D. deliberate

41. A. public                        B. private                            C. personal                   D. authentic

42. A. others                        B. itself                        C. audience                   D. judges

43. A. Only if                      B. How come                C. So what                   D. What if

44. A. assessment                 B. regulation                 C. deadline                   D. notes

45. A. absolute                            B. subjective                 C. extra                        D. flexible

46. A. decorate                     B. inspect                            C. make                       D. foresee

47. A. add                           B. mind                        C. expose                     D. appoint

48. A. even                          B. pretty                       C. much                       D. far

49. A. ups and downs            B. part and parcel          C. cats and dogs            D. pros and cons

50. A. how                          B. when                       C. what                        D. where

51. A. eat up                        B. do up                       C. pick up                    D. clean up

52. A. distribute                   B. practice                    C. boycott                    D. decline

53. A. loaded                       B. equipped                  C. reformed                      D. resisted

54. A. therefore                    B. however                   C. somehow                  D. moreover

55. A. left off                      B. kept off                    C. took off                   D. paid off

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