DOC《二、中级接触网工知识要求部分练习题答案》

二、中级接触网工知识要求部分练习题答案

(一)填空题 1.

随之改变;

2.带箭头的线段;

3.背离;

4.力偶;

5.正;

6.代数和;

7.矩心;

8.正;

9.平行;

10.转向;

11.不能;

12.正比;

13.表面情况;

14.缩短;

15.垂直;

16.n-l;

17.相吸;

18.等效电源;

19.充电放电;

20.100μF;

21.电荷;

22.受力方向;

23.磁通;

24.i=10√2sin(314t+60°)A;

25.Um=220√2(√3/2+j・1/2);

26.ω=2π/T=2πf;

27.超前;

28.√3;

29.1/√3;

30.3倍;

31.BT;

32.1:1;

33.回流线;

34.2°;

35.1.0~1.1;

36.1~3;

37.气体;

38.间隙;

39.120;

40.1;

41.下;

42.+100~-0;

43.300;

44.钢轨;

45.630~760;

46.接触悬挂;

47.承力索;

48.吸流变压器;

49.自耦变压器;

50.停电;

51.吊弦(或辅助索);

52.弹性均匀;

53."之"字形;

54.半斜链形悬挂;

55.高空;

56.平面位置;

57.1m;

58.15kN;

59.平均温度;

60.自动调节;

61.耳环;

62.湿闪电压;

63.60;

64.表面长度;

65.线夹;

66.300mm2;

67.曲线展开长度;

68.GJ-50型;

69;

后视;

70.前视;

71.200~300;

72.隧道内;

73.图例;

74.链形悬挂硬锚;

75.接触线补偿下锚;

76.回流线下锚;

77.分段绝缘子串;

78.涵洞及小桥;

84.中心线;

85.拉;

86.机械强度;

87.电力机车;

88.足够的机械强度;

89.悬挂的稳定性;

90.对地;

91.管型避雷器;

92.雷电侵害;

93.针式和柱式;

94.外加剂(添加剂);

95.土壤的承压力;

96.偏角;

97.下锚;

98.45°;

99.60°;

100.计算;

101.电流的畅通;

102.单位垂直力;

103.弹性均匀;

104.24h;

105.24h;

106.环节吊弦;

107.悬挂类型;

108.压力和弯矩;

109.拉力;

110.安全距离;

111.垂直于;

112.45°;

113.最低电压;

114.GW4-35;

115.经纬仪测量法;

116.侧面限界;

117.3个;

118.人身;

119.大事故;

120.零件和材料;

121.基本环节;

122.企业;

123.经济效益;

124.工具保管;

125.操作规程;

126.四化;

127.使用计划;

128.剩余料;

129.互检、专检;

130.业务建设;

131.主人翁;

132.民主管理;

133.基础;

134.质量管理;

135.封存停用;

136.1958;

137.创造财富;

138.工人队伍;

139.活力;

140.原苏联;

141.计划;

142.助燃物;

143.游标卡尺;

144.可能来电;

145.红色;

146.接触网;

147.可锻铸铁;

148.规定处理;

149.单;

150.六轴.

(二)选择题 1.C;

2.D;

3.B;

4.D;

5.B;

6.A;

7.B;

8.D;

9.C;

10.C;

1l.B;

12.B;

13.B;

14.D;

15.A;

16.B;

17.B;

18.D;

19.A;

20.B;

21.B;

22.A;

23.C;

24.C;

25.C;

26.B;

27.A;

28.A;

29.C;

30.D;

31.B;

32.B;

33.B;

34.A;

35.B;

36.A;

37.B;

38.B;

39.A;

40.C;

41.A;

42.D;

43.D;

44.C;

45.C;

46.B;

47.C;

48.C;

49.A;

50.A;

51.A;

52.B;

53.C;

54.B;

55.C;

56.A;

57.D;

58.A;

59.B;

60.C;

61.B;

62.B;

63.C;

64.C;

65.D;

66.B;

67.D;

68.C;

69.C;

70.A;

71.D;

72.B;

73.B;

74.D;

75.A;

76.C;

77.D;

78.C;

79.C;

80.C;

81.B;

82.A;

83.A;

84.C;

85.D;

86.C;

87.B;

88.B;

89.B;

90.C;

91.B;

92.B;

93.C;

94.D;

95.C;

96.D;

97.C;

98.B;

99.D;

100.A;

101.C;

102.B;

103.C;

104.C;

105.B;

106.A;

107.B;

108.D;

109.B;

110.D;

111.B;

112.B;

113.B;

114.B;