<p class="MsoNormal" style="line-height:150%"><span lang="EN-US" style="font-size:
14.0pt;mso-bidi-font-size:12.0pt;line-height:150%;font-family:宋体">A 16Kbit/s </span><span style="font-size:14.0pt;
mso-bidi-font-size:12.0pt;line-height:150%;font-family:宋体">和<span lang="EN-US">
16Kbit/s B 16Kbit/s </span>和<span lang="EN-US"> 32Kbit/s<o:p></o:p></span></span></p>

<p class="MsoNormal" style="line-height:150%"><span lang="EN-US" style="font-size:
14.0pt;mso-bidi-font-size:12.0pt;line-height:150%;font-family:宋体">C
32Kbit/s </span><span style="font-size:
14.0pt;mso-bidi-font-size:12.0pt;line-height:150%;font-family:宋体">和<span lang="EN-US"> 16Kbit/s D
32Kbit/s </span>和<span lang="EN-US">
32Kbit/s<o:p></o:p></span></span></p>

<p class="MsoNormal" style="line-height:150%"><span lang="EN-US" style="font-size:
14.0pt;line-height:150%">9</span><span style="font-size:14.0pt;line-height:
150%;font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">、下面哪个板件是和</span><span lang="EN-US" style="font-size:14.0pt;
line-height:150%">RTGA</span><span style="font-size:14.0pt;line-height:150%;
font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">板配套使用的（</span><span lang="EN-US" style="font-size:14.0pt;
line-height:150%;color:red"> A </span><span style="font-size:14.0pt;
line-height:150%;font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"">）</span><span lang="EN-US" style="font-size:14.0pt;line-height:150%"><o:p></o:p></span></p>

<p class="MsoNormal" style="line-height:150%"><span lang="EN-US" style="font-size:
14.0pt;line-height:150%">A ML<st1:chmetcnv unitname="a" sourcevalue="6" hasspace="False" negative="False" numbertype="1" tcsc="0" w:st="on">6A</st1:chmetcnv>
B DVGA C BB<st1:chmetcnv unitname="a" sourcevalue="2" hasspace="False" negative="False" numbertype="1" tcsc="0" w:st="on">2A</st1:chmetcnv> D
RMUA</span><span lang="EN-US" style="font-size:14.0pt;line-height:150%;
font-family:宋体"><o:p></o:p></span></p>

<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt;font-family:宋体">10</span><span style="font-size:14.0pt;font-family:宋体">、<span lang="EN-US">.</span>在<span lang="EN-US">ultrasite</span>基站中<span lang="EN-US">( <span style="color:red">B</span>
)</span>块载频需配置<span lang="EN-US">1</span>块<span lang="EN-US">BB2 <o:p></o:p></span></span></p>

<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt;font-family:宋体"> A. 1</span><span style="font-size:14.0pt;
font-family:宋体">个<span lang="EN-US"> B.2</span>个<span lang="EN-US"> C.5</span>个<span lang="EN-US"> D.6</span>个<span lang="EN-US"><o:p></o:p></span></span></p>

<p class="MsoNormal" style="line-height:16.0pt;mso-line-height-rule:exactly"><span lang="EN-US" style="font-size:14.0pt;font-family:宋体">11</span><span style="font-size:14.0pt;font-family:宋体">、避雷针要有足够的高度（本规范要求避雷针长度在<st1:chmetcnv unitname="米" sourcevalue=".8" hasspace="False" negative="False" numbertype="1" tcsc="0" w:st="on"><span lang="EN-US">0.8</span>米</st1:chmetcnv>以上），能保护铁塔上或杆上的所有天线，即所有室外设施都应在避雷针的<span lang="EN-US">( <span style="color:red">B</span> )</span>保护角之内。<span lang="EN-US"><o:p></o:p></span></span></p>

<p class="MsoNormal" style="text-indent:21.75pt;line-height:16.0pt;mso-line-height-rule:
exactly"><span lang="EN-US" style="font-size:14.0pt;font-family:宋体">A</span><span style="font-size:14.0pt;font-family:宋体">．<span lang="EN-US">60</span>度<span lang="EN-US"> B</span>．<span lang="EN-US">45</span>度<span lang="EN-US">
C</span>．<span lang="EN-US">30</span>度<span lang="EN-US"> D</span>、<span lang="EN-US">90</span>度<span lang="EN-US"><o:p></o:p></span></span></p>

<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt;font-family:宋体">12</span><span style="font-size:14.0pt;font-family:宋体">、因频率相同产生的干扰称为（ <span lang="EN-US" style="color:red">C</span><span lang="EN-US"> </span>）<span lang="EN-US"><o:p></o:p></span></span></p>

<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt;font-family:宋体"> A</span><span style="font-size:14.0pt;font-family:宋体">、邻频干扰<span lang="EN-US"> B</span>、码间干扰<span lang="EN-US"> C</span>、同频干扰<span lang="EN-US"> D</span>、频谱干扰<span lang="EN-US"><o:p></o:p></span></span></p>

<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt;font-family:宋体">13</span><span style="font-size:14.0pt;font-family:宋体">、以下关于基站机房的要求，错误的是：</span><span style="font-size: 14pt; font-family: 宋体;">（</span><span lang="EN-US" style="font-size:14.0pt;font-family:宋体;mso-bidi-font-family:Tahoma;
color:red">B</span><span lang="EN-US" style="font-size: 14pt; font-family: 宋体;"> </span><span style="font-size: 14pt; font-family: 宋体;">）</span><span lang="EN-US" style="font-size:14.0pt;font-family:宋体"><o:p></o:p></span></p>

<p class="MsoNormal" style="text-indent:14.0pt;mso-char-indent-count:1.0"><span lang="EN-US" style="font-size:14.0pt;font-family:宋体">A</span><span style="font-size:14.0pt;font-family:宋体">、不允许有太阳光直射进机房<span lang="EN-US"><o:p></o:p></span></span></p>

<p class="MsoNormal" style="margin-left:28.05pt;mso-para-margin-left:1.34gd;
text-indent:-14.0pt;mso-char-indent-count:-1.0;tab-stops:list 81.0pt"><span lang="EN-US" style="font-size:14.0pt;font-family:宋体">B</span><span style="font-size:14.0pt;font-family:宋体">、对机房进行改造时，只可进行为满足机房电气要求的修缮，而且需采用不透光，不燃或阻燃的满足防火要求的材料<span lang="EN-US"><o:p></o:p></span></span></p>

<p class="MsoNormal" style="margin-left:28.05pt;mso-para-margin-left:1.34gd;
text-indent:-14.0pt;mso-char-indent-count:-1.0"><span lang="EN-US" style="font-size:14.0pt;font-family:宋体">C</span><span style="font-size:14.0pt;
font-family:宋体">、对于电力线、传输线、接地线、空调管等进线口，须用水泥或密封胶进行密封<span lang="EN-US"><o:p></o:p></span></span></p>

<p class="MsoNormal" style="margin-left:14.05pt;mso-para-margin-left:1.34gd"><span lang="EN-US" style="font-size:14.0pt;font-family:宋体">D</span><span style="font-size:14.0pt;font-family:宋体">、要求机房内安装有烟雾告警设备，在室内靠门处配置有灭火器<span lang="EN-US"><o:p></o:p></span></span></p>

<p class="MsoNormal" style="margin-right:-79.7pt"><span lang="EN-US" style="font-size:14.0pt;font-family:宋体">14</span><span style="font-size:14.0pt;
font-family:宋体">、空调机组正常工作时进入冷凝器的是（ <span lang="EN-US"> <span style="color:red">C</span> </span>）<span lang="EN-US"> <o:p></o:p></span></span></p>

<p class="MsoNormal" style="margin-right:-79.7pt;text-indent:14.0pt;mso-char-indent-count:
1.0"><span lang="EN-US" style="font-size:14.0pt;font-family:宋体">A</span><span style="font-size:14.0pt;font-family:宋体">、高压低温气体<span lang="EN-US"> B</span>、高压低温液体<span lang="EN-US"> <o:p></o:p></span></span></p>

<p class="MsoNormal" style="margin-right:-79.7pt;text-indent:14.0pt;mso-char-indent-count:
1.0"><span lang="EN-US" style="font-size:14.0pt;font-family:宋体">C</span><span style="font-size:14.0pt;font-family:宋体">、高压高温气体<span lang="EN-US"> D</span>、高压高温液体<span lang="EN-US"><o:p></o:p></span></span></p>

<p class="MsoNormal" style="margin-left:42.0pt;text-indent:-42.0pt;line-height:
150%"><span lang="EN-US" style="font-size:14.0pt;line-height:150%;font-family:
宋体;mso-hansi-font-family:"Times New Roman"">15.</span><span style="font-size:
14.0pt;line-height:150%;font-family:宋体;mso-hansi-font-family:"Times New Roman"">油机在工作中有大量蓝烟是（<span lang="EN-US" style="color:red">B </span>）<span lang="EN-US"><o:p></o:p></span></span></p>

<p class="MsoNormal" style="margin-left:42.0pt;text-indent:-42.0pt;line-height:
150%"><span lang="EN-US" style="font-size:14.0pt;line-height:150%;font-family:
宋体;mso-hansi-font-family:"Times New Roman"">
A </span><span style="font-size:
14.0pt;line-height:150%;font-family:宋体;mso-hansi-font-family:"Times New Roman"">燃油太多<span lang="EN-US"> B </span>机油窜入燃烧室<span lang="EN-US"> <o:p></o:p></span></span></p>

<p class="MsoNormal" style="margin-left:42.0pt;text-indent:-42.0pt;line-height:
150%"><span lang="EN-US" style="font-size:14.0pt;line-height:150%;font-family:
宋体;mso-hansi-font-family:"Times New Roman"">
C </span><span style="font-size:
14.0pt;line-height:150%;font-family:宋体;mso-hansi-font-family:"Times New Roman"">燃油太少<span lang="EN-US"> </span></span><span lang="EN-US" style="font-size:14.0pt;line-height:150%;font-family:宋体">D</span><span style="font-size:14.0pt;line-height:150%;font-family:宋体">、空气过滤嘴损坏<span lang="EN-US"><o:p></o:p></span></span></p>

<p class="MsoNormal" style="line-height:150%"><span lang="EN-US" style="font-size:
14.0pt;line-height:150%;font-family:宋体;mso-hansi-font-family:"Times New Roman"">16.</span><span style="font-size:14.0pt;line-height:150%;font-family:宋体;mso-hansi-font-family:
"Times New Roman"">发电机启动时，起动机运转声音很弱（<span lang="EN-US"> <span style="color:red">B</span> </span>）<span lang="EN-US"><o:p></o:p></span></span></p>

<p class="MsoNormal" style="text-indent:21.0pt;line-height:150%"><span lang="EN-US" style="font-size:14.0pt;line-height:150%;font-family:宋体;mso-hansi-font-family:
"Times New Roman"">A </span><span style="font-size:14.0pt;line-height:150%;font-family:宋体;mso-hansi-font-family:
"Times New Roman"">启动电路有故障<span lang="EN-US"> B </span>蓄电池容量不足<span lang="EN-US"> <o:p></o:p></span></span></p>

<p class="MsoNormal" style="line-height:150%"><span lang="EN-US" style="font-size:
14.0pt;line-height:150%;font-family:宋体;mso-hansi-font-family:"Times New Roman""> C </span><span style="font-size:14.0pt;line-height:150%;font-family:宋体;mso-hansi-font-family:
"Times New Roman"">启动油路有故障<span lang="EN-US"> D</span>蓄电池电压不足<span lang="EN-US"><o:p></o:p></span></span></p>"/>
<p class="MsoNormal" style="line-height:150%"><span lang="EN-US" style="font-size:
14.0pt;mso-bidi-font-size:12.0pt;line-height:150%;font-family:宋体">A 16Kbit/s </span><span style="font-size:14.0pt;
mso-bidi-font-size:12.0pt;line-height:150%;font-family:宋体">和<span lang="EN-US">
16Kbit/s B 16Kbit/s </span>和<span lang="EN-US"> 32Kbit/s<o:p></o:p></span></span></p>

<p class="MsoNormal" style="line-height:150%"><span lang="EN-US" style="font-size:
14.0pt;mso-bidi-font-size:12.0pt;line-height:150%;font-family:宋体">C
32Kbit/s </span><span style="font-size:
14.0pt;mso-bidi-font-size:12.0pt;line-height:150%;font-family:宋体">和<span lang="EN-US"> 16Kbit/s D
32Kbit/s </span>和<span lang="EN-US">
32Kbit/s<o:p></o:p></span></span></p>

<p class="MsoNormal" style="line-height:150%"><span lang="EN-US" style="font-size:
14.0pt;line-height:150%">9</span><span style="font-size:14.0pt;line-height:
150%;font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">、下面哪个板件是和</span><span lang="EN-US" style="font-size:14.0pt;
line-height:150%">RTGA</span><span style="font-size:14.0pt;line-height:150%;
font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">板配套使用的（</span><span lang="EN-US" style="font-size:14.0pt;
line-height:150%;color:red"> A </span><span style="font-size:14.0pt;
line-height:150%;font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"">）</span><span lang="EN-US" style="font-size:14.0pt;line-height:150%"><o:p></o:p></span></p>

<p class="MsoNormal" style="line-height:150%"><span lang="EN-US" style="font-size:
14.0pt;line-height:150%">A ML<st1:chmetcnv unitname="a" sourcevalue="6" hasspace="False" negative="False" numbertype="1" tcsc="0" w:st="on">6A</st1:chmetcnv>
B DVGA C BB<st1:chmetcnv unitname="a" sourcevalue="2" hasspace="False" negative="False" numbertype="1" tcsc="0" w:st="on">2A</st1:chmetcnv> D
RMUA</span><span lang="EN-US" style="font-size:14.0pt;line-height:150%;
font-family:宋体"><o:p></o:p></span></p>

<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt;font-family:宋体">10</span><span style="font-size:14.0pt;font-family:宋体">、<span lang="EN-US">.</span>在<span lang="EN-US">ultrasite</span>基站中<span lang="EN-US">( <span style="color:red">B</span>
)</span>块载频需配置<span lang="EN-US">1</span>块<span lang="EN-US">BB2 <o:p></o:p></span></span></p>

<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt;font-family:宋体"> A. 1</span><span style="font-size:14.0pt;
font-family:宋体">个<span lang="EN-US"> B.2</span>个<span lang="EN-US"> C.5</span>个<span lang="EN-US"> D.6</span>个<span lang="EN-US"><o:p></o:p></span></span></p>

<p class="MsoNormal" style="line-height:16.0pt;mso-line-height-rule:exactly"><span lang="EN-US" style="font-size:14.0pt;font-family:宋体">11</span><span style="font-size:14.0pt;font-family:宋体">、避雷针要有足够的高度（本规范要求避雷针长度在<st1:chmetcnv unitname="米" sourcevalue=".8" hasspace="False" negative="False" numbertype="1" tcsc="0" w:st="on"><span lang="EN-US">0.8</span>米</st1:chmetcnv>以上），能保护铁塔上或杆上的所有天线，即所有室外设施都应在避雷针的<span lang="EN-US">( <span style="color:red">B</span> )</span>保护角之内。<span lang="EN-US"><o:p></o:p></span></span></p>

<p class="MsoNormal" style="text-indent:21.75pt;line-height:16.0pt;mso-line-height-rule:
exactly"><span lang="EN-US" style="font-size:14.0pt;font-family:宋体">A</span><span style="font-size:14.0pt;font-family:宋体">．<span lang="EN-US">60</span>度<span lang="EN-US"> B</span>．<span lang="EN-US">45</span>度<span lang="EN-US">
C</span>．<span lang="EN-US">30</span>度<span lang="EN-US"> D</span>、<span lang="EN-US">90</span>度<span lang="EN-US"><o:p></o:p></span></span></p>

<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt;font-family:宋体">12</span><span style="font-size:14.0pt;font-family:宋体">、因频率相同产生的干扰称为（ <span lang="EN-US" style="color:red">C</span><span lang="EN-US"> </span>）<span lang="EN-US"><o:p></o:p></span></span></p>

<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt;font-family:宋体"> A</span><span style="font-size:14.0pt;font-family:宋体">、邻频干扰<span lang="EN-US"> B</span>、码间干扰<span lang="EN-US"> C</span>、同频干扰<span lang="EN-US"> D</span>、频谱干扰<span lang="EN-US"><o:p></o:p></span></span></p>

<p class="MsoNormal"><span lang="EN-US" style="font-size:14.0pt;font-family:宋体">13</span><span style="font-size:14.0pt;font-family:宋体">、以下关于基站机房的要求，错误的是：</span><span style="font-size: 14pt; font-family: 宋体;">（</span><span lang="EN-US" style="font-size:14.0pt;font-family:宋体;mso-bidi-font-family:Tahoma;
color:red">B</span><span lang="EN-US" style="font-size: 14pt; font-family: 宋体;"> </span><span style="font-size: 14pt; font-family: 宋体;">）</span><span lang="EN-US" style="font-size:14.0pt;font-family:宋体"><o:p></o:p></span></p>

<p class="MsoNormal" style="text-indent:14.0pt;mso-char-indent-count:1.0"><span lang="EN-US" style="font-size:14.0pt;font-family:宋体">A</span><span style="font-size:14.0pt;font-family:宋体">、不允许有太阳光直射进机房<span lang="EN-US"><o:p></o:p></span></span></p>

<p class="MsoNormal" style="margin-left:28.05pt;mso-para-margin-left:1.34gd;
text-indent:-14.0pt;mso-char-indent-count:-1.0;tab-stops:list 81.0pt"><span lang="EN-US" style="font-size:14.0pt;font-family:宋体">B</span><span style="font-size:14.0pt;font-family:宋体">、对机房进行改造时，只可进行为满足机房电气要求的修缮，而且需采用不透光，不燃或阻燃的满足防火要求的材料<span lang="EN-US"><o:p></o:p></span></span></p>

<p class="MsoNormal" style="margin-left:28.05pt;mso-para-margin-left:1.34gd;
text-indent:-14.0pt;mso-char-indent-count:-1.0"><span lang="EN-US" style="font-size:14.0pt;font-family:宋体">C</span><span style="font-size:14.0pt;
font-family:宋体">、对于电力线、传输线、接地线、空调管等进线口，须用水泥或密封胶进行密封<span lang="EN-US"><o:p></o:p></span></span></p>

<p class="MsoNormal" style="margin-left:14.05pt;mso-para-margin-left:1.34gd"><span lang="EN-US" style="font-size:14.0pt;font-family:宋体">D</span><span style="font-size:14.0pt;font-family:宋体">、要求机房内安装有烟雾告警设备，在室内靠门处配置有灭火器<span lang="EN-US"><o:p></o:p></span></span></p>

<p class="MsoNormal" style="margin-right:-79.7pt"><span lang="EN-US" style="font-size:14.0pt;font-family:宋体">14</span><span style="font-size:14.0pt;
font-family:宋体">、空调机组正常工作时进入冷凝器的是（ <span lang="EN-US"> <span style="color:red">C</span> </span>）<span lang="EN-US"> <o:p></o:p></span></span></p>

<p class="MsoNormal" style="margin-right:-79.7pt;text-indent:14.0pt;mso-char-indent-count:
1.0"><span lang="EN-US" style="font-size:14.0pt;font-family:宋体">A</span><span style="font-size:14.0pt;font-family:宋体">、高压低温气体<span lang="EN-US"> B</span>、高压低温液体<span lang="EN-US"> <o:p></o:p></span></span></p>

<p class="MsoNormal" style="margin-right:-79.7pt;text-indent:14.0pt;mso-char-indent-count:
1.0"><span lang="EN-US" style="font-size:14.0pt;font-family:宋体">C</span><span style="font-size:14.0pt;font-family:宋体">、高压高温气体<span lang="EN-US"> D</span>、高压高温液体<span lang="EN-US"><o:p></o:p></span></span></p>

<p class="MsoNormal" style="margin-left:42.0pt;text-indent:-42.0pt;line-height:
150%"><span lang="EN-US" style="font-size:14.0pt;line-height:150%;font-family:
宋体;mso-hansi-font-family:"Times New Roman"">15.</span><span style="font-size:
14.0pt;line-height:150%;font-family:宋体;mso-hansi-font-family:"Times New Roman"">油机在工作中有大量蓝烟是（<span lang="EN-US" style="color:red">B </span>）<span lang="EN-US"><o:p></o:p></span></span></p>

<p class="MsoNormal" style="margin-left:42.0pt;text-indent:-42.0pt;line-height:
150%"><span lang="EN-US" style="font-size:14.0pt;line-height:150%;font-family:
宋体;mso-hansi-font-family:"Times New Roman"">
A </span><span style="font-size:
14.0pt;line-height:150%;font-family:宋体;mso-hansi-font-family:"Times New Roman"">燃油太多<span lang="EN-US"> B </span>机油窜入燃烧室<span lang="EN-US"> <o:p></o:p></span></span></p>

<p class="MsoNormal" style="margin-left:42.0pt;text-indent:-42.0pt;line-height:
150%"><span lang="EN-US" style="font-size:14.0pt;line-height:150%;font-family:
宋体;mso-hansi-font-family:"Times New Roman"">
C </span><span style="font-size:
14.0pt;line-height:150%;font-family:宋体;mso-hansi-font-family:"Times New Roman"">燃油太少<span lang="EN-US"> </span></span><span lang="EN-US" style="font-size:14.0pt;line-height:150%;font-family:宋体">D</span><span style="font-size:14.0pt;line-height:150%;font-family:宋体">、空气过滤嘴损坏<span lang="EN-US"><o:p></o:p></span></span></p>

<p class="MsoNormal" style="line-height:150%"><span lang="EN-US" style="font-size:
14.0pt;line-height:150%;font-family:宋体;mso-hansi-font-family:"Times New Roman"">16.</span><span style="font-size:14.0pt;line-height:150%;font-family:宋体;mso-hansi-font-family:
"Times New Roman"">发电机启动时，起动机运转声音很弱（<span lang="EN-US"> <span style="color:red">B</span> </span>）<span lang="EN-US"><o:p></o:p></span></span></p>

<p class="MsoNormal" style="text-indent:21.0pt;line-height:150%"><span lang="EN-US" style="font-size:14.0pt;line-height:150%;font-family:宋体;mso-hansi-font-family:
"Times New Roman"">A </span><span style="font-size:14.0pt;line-height:150%;font-family:宋体;mso-hansi-font-family:
"Times New Roman"">启动电路有故障<span lang="EN-US"> B </span>蓄电池容量不足<span lang="EN-US"> <o:p></o:p></span></span></p>

<p class="MsoNormal" style="line-height:150%"><span lang="EN-US" style="font-size:
14.0pt;line-height:150%;font-family:宋体;mso-hansi-font-family:"Times New Roman""> C </span><span style="font-size:14.0pt;line-height:150%;font-family:宋体;mso-hansi-font-family:
"Times New Roman"">启动油路有故障<span lang="EN-US"> D</span>蓄电池电压不足<span lang="EN-US"><o:p></o:p></span></span></p>"/>
我要上传豆丁书房

基站维护员月考试试题单选2

1 楼
8、基站的TRX信令和OMU信令分别为 (A 或D 选两者之一或都选均得分)

A 16Kbit/s 和 16Kbit/s B 16Kbit/s 和 32Kbit/s

C 32Kbit/s 和 16Kbit/s D 32Kbit/s 和 32Kbit/s

9、下面哪个板件是和RTGA板配套使用的（ A ）

A ML6A B DVGA C BB2A D RMUA

10、.在ultrasite基站中( B )块载频需配置1块BB2

A. 1个 B.2个 C.5个 D.6个

11、避雷针要有足够的高度（本规范要求避雷针长度在0.8米以上），能保护铁塔上或杆上的所有天线，即所有室外设施都应在避雷针的( B )保护角之内。

A．60度 B．45度 C．30度 D、90度

12、因频率相同产生的干扰称为（ C ）

A、邻频干扰 B、码间干扰 C、同频干扰 D、频谱干扰

13、以下关于基站机房的要求，错误的是：（B ）

A、不允许有太阳光直射进机房

B、对机房进行改造时，只可进行为满足机房电气要求的修缮，而且需采用不透光，不燃或阻燃的满足防火要求的材料

C、对于电力线、传输线、接地线、空调管等进线口，须用水泥或密封胶进行密封

D、要求机房内安装有烟雾告警设备，在室内靠门处配置有灭火器

14、空调机组正常工作时进入冷凝器的是（ C ）

A、高压低温气体 B、高压低温液体

C、高压高温气体 D、高压高温液体

15.油机在工作中有大量蓝烟是（B ）

A 燃油太多 B 机油窜入燃烧室

C 燃油太少 D、空气过滤嘴损坏

16.发电机启动时，起动机运转声音很弱（ B ）

A 启动电路有故障 B 蓄电池容量不足

C 启动油路有故障 D蓄电池电压不足

2019-04-24 10:55:34

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