电子科技大学《现代工程设计制图》20秋期末考试
电子科技大学《现代工程设计制图》20秋期末考试1.[单选题] 现代工程设计制图中制图中规定字体为长仿宋体,即字高为h(单位:mm),其宽度一般为( )。
A.h
B.h/<img id="ODimnvrTEMP20200702032511464.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODimnvrTEMP20200702032511464.png?Expires=1909034711&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=VI9fNkO0DXInoXpGFNrR8ftQyGA%3D" />
C.h/2
D.h/3
答:——B——
2.[单选题] 根据已知的两个视图,选择正确的另一个视图( ).<br><img id="ODrmttsTEMP20200702032807625.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODrmttsTEMP20200702032807625.png?Expires=1909034887&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=x9PQxv3dXYLT%2B4ZpO4QxqpdNeO0%3D" />
A.<img id="ODdjadlTEMP20200702032807780.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODdjadlTEMP20200702032807780.png?Expires=1909034887&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=Y39mAbo4EL8bwF7LCv2Qe3JhCr4%3D" />
B.<img id="ODjjlpzTEMP20200702032807965.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODjjlpzTEMP20200702032807965.png?Expires=1909034888&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=KVTa4T/8TrtqdDnR/jIWYOQ7Vsc%3D" />
C.<img id="ODufufqTEMP20200702032808138.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODufufqTEMP20200702032808138.png?Expires=1909034888&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=y4YRII3RGqG98PiuUtgM6Kjx1Tg%3D" />
D.<img id="ODqmjsbTEMP20200702032808306.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODqmjsbTEMP20200702032808306.png?Expires=1909034888&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=ee8zUCIGlzTVLm8cMHDzVGkKAE0%3D" />
答:——D——
3.[单选题] 在进行电脑绘图时,利用拉伸(Stretch)命令对图示中图形进行拉伸时,选择区域和方法如图所示,其拉伸结果为( )。<br><img id="ODylpihTEMP20200702032511637.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODylpihTEMP20200702032511637.png?Expires=1909034711&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=WVCQviikTxwyxcqQ8TX49VvcGNg%3D" />
A.图形变化,尺寸不变化
B.图形和尺寸一起变化,尺寸62变化,尺寸36变化
C.图形和尺寸一起变化,尺寸62变化,尺寸36不变化
D.图形不变化,尺寸变化
答:——C——
4.[单选题] 根据已知的两个视图,选择正确的另一个视图( ).<br><img id="ODrezacTEMP20200702033314102.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODrezacTEMP20200702033314102.png?Expires=1909035194&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=WV7VJm%2BL9wetJ9SW4B7yIw8iRHk%3D" />
A.<img id="ODshufcTEMP20200702033314226.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODshufcTEMP20200702033314226.png?Expires=1909035194&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=lNDn/0vcDxfqukiMTLmWIHGf19Q%3D" />
B.<img id="ODrygejTEMP20200702033314436.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODrygejTEMP20200702033314436.png?Expires=1909035194&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=HIlTdGHp/HF08zj5GnB5AQIxIpM%3D" />
C.<img id="ODrgfrsTEMP20200702033314608.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODrgfrsTEMP20200702033314608.png?Expires=1909035194&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=0am%2BUu4QBPyBcmg6wM0esZd74dA%3D" />
D.<img id="ODqpoybTEMP20200702033314762.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODqpoybTEMP20200702033314762.png?Expires=1909035194&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=P9mg0ZbPmUwxTP3w6IbT5E%2BVsGY%3D" />
答:————
5.[单选题] 根据已知的两个视图,选择正确的另一个视图( ).<br><img id="ODlnlzfTEMP20200702033317314.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODlnlzfTEMP20200702033317314.png?Expires=1909035197&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=9Zw4lLPf0gtb87xF5ZvNKG3t/Jc%3D" />
A.<img id="ODrpxywTEMP20200702033317508.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODrpxywTEMP20200702033317508.png?Expires=1909035197&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=rflQDbD1GS8tuIa0bvTPC0v6s/o%3D" /><br>
B.<img id="ODevvbuTEMP20200702033317662.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODevvbuTEMP20200702033317662.png?Expires=1909035197&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=K824I3ImCP8GIfGUs9Yg6csZL5Q%3D" />
C.<img id="ODfmrzyTEMP20200702033317775.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODfmrzyTEMP20200702033317775.png?Expires=1909035197&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=pd1L34cX48DOumQzxG0jbR%2BDJe0%3D" />
D.<img id="ODmsblaTEMP20200702033317940.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODmsblaTEMP20200702033317940.png?Expires=1909035198&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=1bCIl95dENvg%2B%2BOldXbk5pvO2i8%3D" />
答:————
6.[单选题] 根据已知的两个视图,选择正确的另一个视图( ).<br><img id="ODfksukTEMP20200702032804272.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODfksukTEMP20200702032804272.png?Expires=1909034884&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=jhpGgwxH%2BA1BfxzZ3SD8W/H6ZqA%3D" />
A.<img id="ODdgpdrTEMP20200702032804444.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODdgpdrTEMP20200702032804444.png?Expires=1909034884&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=J6qfM3I3EDYs8MRhr3TuKE0RMcM%3D" />
B.<img id="ODsyvtaTEMP20200702032804727.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODsyvtaTEMP20200702032804727.png?Expires=1909034884&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=vjS6P4rdnETjHmUugj6Z9/jK3gg%3D" />
C.<img id="ODpnejdTEMP20200702032804876.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODpnejdTEMP20200702032804876.png?Expires=1909034885&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=5Ypuy0Wk1sHwSctAFkauajOgsy0%3D" />
D.<img id="ODcnchyTEMP20200702032805014.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODcnchyTEMP20200702032805014.png?Expires=1909034885&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=5p5xRqxZyFOxP/qIHfF8%2B7ZUcDE%3D" />
答:————
7.[单选题] 在三视图中,俯视图可以反映零件的哪些尺寸( )。
A.高度和长度
B.宽度和长度
C.高度和宽度
D.长、宽、高
答:————
8.[单选题] 根据已知的两个视图,选择正确的另一个视图( ).<br><br><img id="ODzxnlgTEMP20200702032808462.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODzxnlgTEMP20200702032808462.png?Expires=1909034888&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=BnVFdD8cacQR3Q%2B30fKRC3GSyJM%3D" />
A.<img id="ODtcaxvTEMP20200702032808621.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODtcaxvTEMP20200702032808621.png?Expires=1909034888&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=WxcVuhL6pXlIHPkBpuGPUJJvUg0%3D" />
B.<img id="ODmhhtkTEMP20200702032808758.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODmhhtkTEMP20200702032808758.png?Expires=1909034888&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=cnnk3TIL274Mg7wgDk%2BM/ZgPPVI%3D" />
C.<img id="ODseakzTEMP20200702032808900.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODseakzTEMP20200702032808900.png?Expires=1909034889&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=g6a7CJ7K3Dih93Vpg3B8qHjGfxM%3D" />
D.<img id="ODhyussTEMP20200702032809042.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODhyussTEMP20200702032809042.png?Expires=1909034889&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=0gt1mcz79%2BX9lhjrJ34iEWTymtE%3D" />
答:————
9.[单选题] 在尺寸标注中SΦ代表 ( ).
A.球半径
B.球直径
C.圆直径
答:————
10.[单选题] 在零件时用钻头钻出的不通孔,在底部会有个多少度的锥顶角孔( )。
A.90度
B.60度
C.120度
D.180度
答:————
11.[单选题] 在机加工中,精车、精铣、精刨及铰钻能到达的表面粗糙度Ra为( )。
A.50~12.5
B.0.8~0.2
C.6.3~1.6
D.0.1~0.012
答:————
12.[单选题] 根据已知的两个视图,选择正确的另一个视图( ).<br><br><img id="ODevcvsTEMP20200702033326252.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODevcvsTEMP20200702033326252.png?Expires=1909035206&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=sKn%2ByqnsbWTgOvIwSoVm0O2zvkk%3D" />
A.<img id="ODmnesnTEMP20200702033326397.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODmnesnTEMP20200702033326397.png?Expires=1909035206&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=EhL8a5g7lXuZ4SYS%2BC%2Bm6nS79RY%3D" /><br>
B.<img id="ODgpuhyTEMP20200702033329548.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODgpuhyTEMP20200702033329548.png?Expires=1909035209&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=73dJ3gweR74Llxx6GK7zlvDHM0g%3D" /><br>
C.<img id="ODsniigTEMP20200702033329687.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODsniigTEMP20200702033329687.png?Expires=1909035209&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=6jOGC92OlKGA9P5rl11nvTffCQE%3D" />
D.<img id="ODylkngTEMP20200702033329856.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODylkngTEMP20200702033329856.png?Expires=1909035209&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=ZR6jl4NnFSxrs67uzuzlkbU230Y%3D" />
答:————
13.[单选题] 根据已知的两个视图,选择正确的另一个视图( ).<br><img id="ODjzdmwTEMP20200702033312484.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODjzdmwTEMP20200702033312484.png?Expires=1909035192&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=M7J7f8aLuct%2BV4/HGjlegMQoGGU%3D" />
A.<img id="ODqsqadTEMP20200702033312622.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODqsqadTEMP20200702033312622.png?Expires=1909035192&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=9eahXlOxJcOgssNQoRUacjjh3MI%3D" />
B.<img id="ODiztyvTEMP20200702033312766.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODiztyvTEMP20200702033312766.png?Expires=1909035192&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=0xGtzLlZpVIQPzDPFqxXpyVPtSE%3D" />
C.<img id="ODjtngyTEMP20200702033312906.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODjtngyTEMP20200702033312906.png?Expires=1909035193&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=5GhE2O2X4z7mb46oMwPc5Rb3uqw%3D" />
D.<img id="ODefpqkTEMP20200702033313124.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODefpqkTEMP20200702033313124.png?Expires=1909035193&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=8KWsrHalEHfKQYX7GR5uVvYVUCU%3D" />
答:————
14.[单选题] 现代工程制图中在画内螺纹时,在投影为圆的视图上,内螺纹小径画成粗实线,大径该怎么画?( )。
A.细实线 的圆
B.虚线的圆
C.3/4 圈的细实线圆
D.粗实线的圆
答:————
15.[单选题] 根据已知的两个视图,选择正确的另一个视图( ).<br><img id="ODbkhfmTEMP20200702033314913.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODbkhfmTEMP20200702033314913.png?Expires=1909035195&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=pCUu8E%2B5sV7P%2BvrUSLC1BkP2ciY%3D" />
A.<img id="ODyemeuTEMP20200702033315062.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODyemeuTEMP20200702033315062.png?Expires=1909035195&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=ROKc0qXmCcBzwItipDP8lKlKt7M%3D" /><br>
B.<img id="ODhefroTEMP20200702033315213.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODhefroTEMP20200702033315213.png?Expires=1909035195&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=o%2B/bRe%2BebckXLKxO4Ui5dXsSOd0%3D" />
C.<img id="ODvzvbkTEMP20200702033315401.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODvzvbkTEMP20200702033315401.png?Expires=1909035195&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=%2Be2YPTrstVTlq8YedET5nYXxl14%3D" />
D.<img id="ODcqukoTEMP20200702033315510.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODcqukoTEMP20200702033315510.png?Expires=1909035195&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=dzI7sehwTNH5hKtzDBOeAXDEr/4%3D" />
答:————
16.[单选题] 根据物体的主、俯视图,选择正确的左视图。( )<br><img id="ODycrbzTEMP20200702033713793.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODycrbzTEMP20200702033713793.png?Expires=1909035434&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=tXADtUPqINtbpIz7WYWl2CjlYq0%3D" />
A.<img id="ODmwmerTEMP20200702033714120.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODmwmerTEMP20200702033714120.png?Expires=1909035434&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=NohvXqdKqndOtMsbr479UxJ/4OI%3D" />
B.<img id="ODbpwgoTEMP20200702033714452.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODbpwgoTEMP20200702033714452.png?Expires=1909035434&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=o2xQvdLN00jCaH9ACSdxfBlklzM%3D" />
C.<img id="ODlcdxaTEMP20200702033714670.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODlcdxaTEMP20200702033714670.png?Expires=1909035434&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=MGgjNC0A9bjTnHG544l98lqybqE%3D" />
D.<img id="ODsnyhhTEMP20200702033714845.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODsnyhhTEMP20200702033714845.png?Expires=1909035434&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=pYZrfznR6J%2B/9vsDOwh0DN6Bdmo%3D" />
答:————
17.[单选题] 根据已知的两个视图,选择正确的另一个视图( ).<br><img id="ODphwcsTEMP20200702033315674.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODphwcsTEMP20200702033315674.png?Expires=1909035195&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=Q/DkIi1Ytyiv4Z5pgIStImzsn0Y%3D" />
A.<img id="ODcdpmlTEMP20200702033315840.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODcdpmlTEMP20200702033315840.png?Expires=1909035195&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=z48QgrCfcOX%2BWDr4pcbh1Ju7ofY%3D" />
B.<img id="ODlqlhfTEMP20200702033316043.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODlqlhfTEMP20200702033316043.png?Expires=1909035196&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=0mwSQx58kJtidZFfmS6yVF2mics%3D" />
C.<img id="ODykvsmTEMP20200702033316230.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODykvsmTEMP20200702033316230.png?Expires=1909035196&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=hSYCKGORJUsadzd2LPlZ4g0tPzs%3D" />
D.<img id="ODqqkwsTEMP20200702033316423.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODqqkwsTEMP20200702033316423.png?Expires=1909035196&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=D%2BUnjwcpY55glZzw0P%2BpX4LsGaI%3D" />
答:————
18.[单选题] 根据已知的两个视图,选择正确的另一个视图( ).<br><img id="ODxpyaeTEMP20200702032819081.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODxpyaeTEMP20200702032819081.png?Expires=1909034899&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=XOX912WYVZIuUoevUBrZQv6LYe8%3D" />
A.<img id="ODlpddhTEMP20200702032819216.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODlpddhTEMP20200702032819216.png?Expires=1909034899&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=zMdtVteyiZtMRVk31i6SKu8WJHw%3D" />
B.<img id="ODnoeolTEMP20200702032819390.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODnoeolTEMP20200702032819390.png?Expires=1909034899&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=RYRDmsHK5HluqDnLBr5lQxJrmPU%3D" />
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D.<img id="ODagflwTEMP20200702032819670.png" src="http://itembankcdn.open.com.cn/zyglpt/OD/TEMP/2020/0702/ODagflwTEMP20200702032819670.png?Expires=1909034899&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=yTo8z9UPsQoHRgjZirq8rGm3q0g%3D" />
答:————
19.[单选题] 在尺寸标注中代表厚度的符号是 ( ).
A.Φ
B.t
C.SR
答:————
20.[单选题] 直线在所平行的投影面上的投影是 ( ).
A.实长不变
B.长度缩短
C.聚为一点
答:————
21.[多选题] 画组合体的视图,常用方法有( )。
A.分析法
B.线面分析法
答:————
22.[多选题] 组合体表面的连接式( )。
A.相接表面不平齐
B.相接表面平齐
C.相接表面相切
D.相接表面相交
答:————
23.[多选题] 在绘图完成后,进行尺寸标注时,一个完整的尺寸标注应该包括( )。
A.尺寸界线
B.尺寸线
C.尺寸箭头
D.尺寸数字
答:————
24.[多选题] 主视图反映主体的( )。
A.上、下位置关系
B.左、右位置关系
C.高度和长度
D.前、后位置关系
答:————
25.[多选题] 平面对单一投影面的投影特性( )。
A.类似性
B.积聚性
C.实形性
答:————
26.[多选题] 一张完整的零件图应该包括的内容是( )。
A.一组视图
B.完整的尺寸
C.技术要求
D.标题栏
答:————
27.[多选题] 平面与圆柱体相交时,根据截平面与圆柱体轴线的相对位置不同,产生不同形状的截交线有( )。
A.圆
B.矩形
C.椭圆
答:————
28.[多选题] GB/T13361-2012、GB/T14690-1993规定绘图时的第一系列比例为( )。
A.原值比例:1:1
B.放大比例:2:1;5:1;1*10n:1;2*10n:1; 5*10n:1
C.缩小比例:1:2 1:5 1:10 1:1*10n; 1:2*10n1:5*10n
答:————
29.[多选题] AutoCAD绘图命令的输入方式( )。
A.经典空间的“绘图”图标工具栏
B.下拉菜单
C.默认工作空间的绘图显示面板
D.用键盘输入所需命令
答:————
30.[多选题] 现代工程制图中,位置公差包括( )。
A.位置度
B.圆柱度
C.垂直度
D.对称度
答:————
31.[判断题] 断裂处的边界线,视图与剖视图的分界线用波浪线表示( )。
A.对
B.错
答:————
32.[判断题] 轴线,轨迹线、对称中心线用双点画线表示( )。
A.对
B.错
答:————
33.[判断题] 螺纹按旋入时的旋转方向,分为右旋和左旋两种,顺时针旋入的螺纹称为左旋螺纹,逆时针旋入的螺纹称为右旋螺纹( )。
A.对
B.错
答:————
34.[判断题] 现代工程制图中,间隙配合是指两个零件间的间隙大于零( )。
A.对
B.错
答:————
35.[判断题] 在标注大圆弧时,无法标出圆的圆心位置,可以将尺寸线拆断标注( )。
A.对
B.错
答:————
36.[判断题] 尺寸箭头宽度就是图形粗实线宽度的1.5倍( )。
A.对
B.错
答:————
37.[判断题] 在设计制图绘制圆的中心线时,圆心应为长画的交点,且中心线应超出圆周2~5mm ()。
A.对
B.错
答:————
38.[判断题] 在工程零件设计中,零件的精度是越高越好( )。
A.对
B.错
答:————
39.[判断题] 现代工程制图中,计算机绘图是应用计算机软硬件来处理图形信息,从而实现图形生成、显示和输出()。
A.对
B.错
答:————
40.[判断题] 对断面为正方形的结构,可在正方形边长尺寸数字前加注符号“口”或数字X数字表示( )。
A.对
B.错
答:————
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