20春学期《安全检测及仪表》在线平时作业3

adminhan

<p class="MsoNormal" style="MARGIN-LEFT: 18pt; TEXT-INDENT: -18pt; mso-list: l0 level1 lfo1; tab-stops: list 18.0pt"><span lang="EN-US" style="FONT-SIZE: 12pt; mso-fareast-font-family: 'Times New Roman'"><span style="mso-list: Ignore"><span style="FONT: 7pt 'Times New Roman'">&nbsp;&nbsp; </span></span></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">以下检测方法中穿透能力最强的是（</span><span lang="EN-US" style="FONT-SIZE: 12pt"><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）。</span></p>
A:<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">超声检测</span><span lang="EN-US" style="FONT-SIZE: 12pt"><span style="mso-spacerun: yes">&nbsp;</span></span>
B:<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">射线检测</span><span lang="EN-US" style="FONT-SIZE: 12pt"><span style="mso-spacerun: yes">&nbsp; </span></span>
C:<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">磁粉检测</span><span lang="EN-US" style="FONT-SIZE: 12pt"><span style="mso-spacerun: yes">&nbsp; </span></span>
D:<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">红外检测</span>

<p class="MsoNormal" style="MARGIN-LEFT: 42pt; TEXT-INDENT: -21pt; mso-list: l0 level1 lfo1; tab-stops: list 42.0pt"><span lang="EN-US" style="FONT-SIZE: 12pt; mso-fareast-font-family: 'Times New Roman'"><span style="mso-list: Ignore"><span style="FONT: 7pt 'Times New Roman'">&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">温度计正常工作指示值应为仪表满量程的（</span><span lang="EN-US" style="FONT-SIZE: 12pt"><span style="mso-spacerun: yes">&nbsp;&nbsp; </span></span><span style="FONT-SIZE: 12pt; 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: 12pt"><o:p></o:p></span></p><p class="MsoNormal" style="TEXT-INDENT: 24pt; mso-char-indent-count: 2.0"><span lang="EN-US" style="FONT-SIZE: 12pt">A</span><span style="FONT-SIZE: 12pt; 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: 12pt">20%~80%<span style="mso-spacerun: yes">&nbsp;&nbsp; </span>B</span><span style="FONT-SIZE: 12pt; 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: 12pt">30%~70%<span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span>C</span><span style="FONT-SIZE: 12pt; 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: 12pt">50%~70%<span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span>D</span><span style="FONT-SIZE: 12pt; 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: 12pt">50%~80%<o:p></o:p></span></p>
A:<span lang="EN-US" style="FONT-SIZE: 12pt">20%~80%<span style="mso-spacerun: yes">&nbsp;&nbsp;</span></span>
B:<span lang="EN-US" style="FONT-SIZE: 12pt">30%~70%<span style="mso-spacerun: yes">&nbsp;</span></span>
C:<span lang="EN-US" style="FONT-SIZE: 12pt">50%~70%<span style="mso-spacerun: yes">&nbsp;&nbsp;</span></span>
D:<span lang="EN-US" style="FONT-SIZE: 12pt">50%~80%<o:p></o:p></span>

<p class="MsoNormal" style="MARGIN-LEFT: 18pt; TEXT-INDENT: -18pt; mso-list: l0 level1 lfo1; tab-stops: list 18.0pt"><span lang="EN-US" style="FONT-SIZE: 12pt; mso-fareast-font-family: 'Times New Roman'"><span style="mso-list: Ignore"><span style="FONT: 7pt 'Times New Roman'">&nbsp;&nbsp;&nbsp; </span></span></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">以下检测方法中对人体有害，需要做特殊防护的是（</span><span lang="EN-US" style="FONT-SIZE: 12pt"><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）。</span></p>
A:<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">超声检测</span><span lang="EN-US" style="FONT-SIZE: 12pt"><span style="mso-spacerun: yes">&nbsp; </span></span>
B:<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">射线检测</span><span lang="EN-US" style="FONT-SIZE: 12pt"><span style="mso-spacerun: yes">&nbsp; </span></span>
C:<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">磁粉检测</span><span lang="EN-US" style="FONT-SIZE: 12pt"><span style="mso-spacerun: yes">&nbsp; </span></span>
D:<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">红外检测</span>

<font face="Arial">温度开关应选用（&nbsp;&nbsp;&nbsp; ）热敏电阻。</font>
A:负温度系数
B:正温度系数&nbsp;
C:临界温度系数
D:PTC

<p class="MsoNormal" style="MARGIN-LEFT: 42pt; TEXT-INDENT: -21pt; mso-list: l0 level1 lfo1; tab-stops: list 42.0pt"><span lang="EN-US" style="FONT-SIZE: 12pt; mso-fareast-font-family: 'Times New Roman'"><span style="mso-list: Ignore"><span style="FONT: 7pt 'Times New Roman'">&nbsp;&nbsp;&nbsp; </span></span></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">温度仪表的下限应保证最低温度指示值不小于仪表满量程的（</span><span lang="EN-US" style="FONT-SIZE: 12pt"><span style="mso-spacerun: yes">&nbsp;&nbsp; </span></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）。</span></p>
A:<span lang="EN-US" style="FONT-SIZE: 12pt">20%<span style="mso-spacerun: yes">&nbsp;</span></span>
B:<span lang="EN-US" style="FONT-SIZE: 12pt">30%<span style="mso-spacerun: yes">&nbsp;</span></span>
C:<span lang="EN-US" style="FONT-SIZE: 12pt">40%<span style="mso-spacerun: yes">&nbsp;&nbsp;</span></span>
D:<span lang="EN-US" style="FONT-SIZE: 12pt">50%<o:p></o:p></span>

<p class="MsoNormal" style="MARGIN-LEFT: 42pt; TEXT-INDENT: -21pt; mso-list: l0 level1 lfo1; tab-stops: list 42.0pt"><span lang="EN-US" style="FONT-SIZE: 12pt; mso-fareast-font-family: 'Times New Roman'"><span style="mso-list: Ignore"><span style="FONT: 7pt 'Times New Roman'">&nbsp;&nbsp; </span></span></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">选择物位检测仪表，根据工艺介质的性质不同选择。首先选（</span><span lang="EN-US" style="FONT-SIZE: 12pt"><span style="mso-spacerun: yes">&nbsp;&nbsp; </span></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）。</span></p>
A:<font size="3"><font face="宋体">差压式</font><span lang="EN-US" style="FONT-SIZE: 12pt"><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;</span></span></font>
B:<font size="3"><font face="宋体">浮筒式</font><span lang="EN-US" style="FONT-SIZE: 12pt"><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;</span></span></font>
C:<font size="3"><font face="宋体">浮子式</font><span lang="EN-US" style="FONT-SIZE: 12pt"><span style="mso-spacerun: yes">&nbsp;&nbsp;</span></span></font>
D:<font face="宋体" size="3">电容式</font>

<p><font face="Arial">（&nbsp;&nbsp; ）的检测是安全检测的主要任务</font></p><p><font face="Arial"></font></p>
A:粉尘危害因素
B:化学危害因素
C:物理危害因素
D:机械伤害因素

<font face="Arial">以下属于抑制电磁干扰的屏蔽技术的有（&nbsp;&nbsp;&nbsp; ）。<br /></font>
A:静电屏蔽
B:电磁屏蔽
C:低频磁屏蔽&nbsp;
D:驱动屏蔽

<font face="Arial">以下属于检测系统的静态输入、输出特性的有（&nbsp;&nbsp;&nbsp; ）<br /></font>
A:灵敏度
B:线性度
C:滞后度
D:量程

<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt 18pt; TEXT-INDENT: -18pt; mso-list: l0 level1 lfo1; tab-stops: list 18.0pt"><span lang="EN-US" style="FONT-SIZE: 12pt; mso-fareast-font-family: 'Times New Roman'"><span style="mso-list: Ignore"><font face="Times New Roman"><span style="FONT: 7pt &quot;Times New Roman&quot;">&nbsp;</span></font></span></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">辐射测温方法有（</span><span lang="EN-US" style="FONT-SIZE: 12pt"><span style="mso-spacerun: yes"><font face="Times New Roman">&nbsp;&nbsp;&nbsp; </font></span></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">）。</span></p>
A:<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">亮度测温法</span>
B:<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">比色测温法</span>
C:<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">全辐射测温法</span><span lang="EN-US" style="FONT-SIZE: 12pt"><font face="Times New Roman"><span style="mso-spacerun: yes">&nbsp;</span></font></span>
D:<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">接触测温法</span>

<font face="Arial">按输出信号的形式分类，传感器可分为（&nbsp;&nbsp;&nbsp; ）。</font>
A:开关式
B:模拟式
C:数字式&nbsp;
D:非线性

<font face="Arial">各类误差在一定条件下可以互相转化。</font>
A:错误
B:正确

<p class="MsoNormal" style="MARGIN-LEFT: 18pt; TEXT-INDENT: -18pt; mso-list: l0 level1 lfo1; tab-stops: list 18.0pt"><span lang="EN-US" style="FONT-SIZE: 12pt; mso-fareast-font-family: 'Times New Roman'"><span style="mso-list: Ignore"><span style="FONT: 7pt 'Times New Roman'">&nbsp;</span></span></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">干法磁粉检测检验微小缺陷的灵敏度不如湿法。</span><span lang="EN-US" style="FONT-SIZE: 12pt"><o:p></o:p></span></p>
A:错误
B:正确

<p class="MsoNormal" style="MARGIN-LEFT: 18pt; TEXT-INDENT: -18pt; mso-list: l0 level1 lfo1; tab-stops: list 18.0pt"><span lang="EN-US" style="FONT-SIZE: 12pt; mso-fareast-font-family: 'Times New Roman'"><span style="mso-list: Ignore"><span style="FONT: 7pt 'Times New Roman'">&nbsp; </span></span></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">弹性式压力表的频率响应高，适合测量动态压力。</span><span lang="EN-US" style="FONT-SIZE: 12pt"><o:p></o:p></span></p>
A:错误
B:正确

<font face="Arial">热电偶传感器属于能量转换型传感器。</font>
A:错误
B:正确

<font face="Arial">检测的任务仅是对产品或半成品的检验和测量。</font>
A:错误
B:正确

<p class="MsoNormal" style="MARGIN-LEFT: 42pt; TEXT-INDENT: -21pt; mso-list: l0 level1 lfo1; tab-stops: list 42.0pt"><span lang="EN-US" style="FONT-SIZE: 12pt; mso-fareast-font-family: 'Times New Roman'"><span style="mso-list: Ignore"><span style="FONT: 7pt 'Times New Roman'">&nbsp;</span></span></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">在能满足工艺要求的前提下，要尽量选择精度较低的压力仪表。</span><span lang="EN-US" style="FONT-SIZE: 12pt"><o:p></o:p></span></p>
A:错误
B:正确

<p class="MsoNormal" style="MARGIN-LEFT: 42pt; TEXT-INDENT: -21pt; mso-list: l0 level1 lfo1; tab-stops: list 42.0pt"><span lang="EN-US" style="FONT-SIZE: 12pt; mso-fareast-font-family: 'Times New Roman'"><span style="mso-list: Ignore"><span style="FONT: 7pt 'Times New Roman'">&nbsp;&nbsp; </span></span></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">结构化的设计方法，即从底层到顶层、从具体到抽象、从局部到总体、从详细到初步。</span><span lang="EN-US" style="FONT-SIZE: 12pt"><o:p></o:p></span></p>
A:错误
B:正确

<p class="MsoNormal" style="MARGIN-LEFT: 42pt; TEXT-INDENT: -21pt; mso-list: l0 level1 lfo1; tab-stops: list 42.0pt"><span lang="EN-US" style="FONT-SIZE: 12pt; mso-fareast-font-family: 'Times New Roman'"><span style="mso-list: Ignore"><span style="FONT: 7pt 'Times New Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">可行性分析的结果最终是要确定：使用计算机监控技术能否给企业带来一定经济效益和社会效益。</span><span lang="EN-US" style="FONT-SIZE: 12pt"><o:p></o:p></span></p>
A:错误
B:正确