20春学期《互换性与技术测量》在线平时作业2

adminhan · 发表于 2020-8-8 18:58:44

GB/T 1804-c表示的是____________。
A:一般公差精密级
B:一般公差中等级
C:一般公差粗糙级
D:一般公差最粗级

GB/T 1804-m表示的是____________。<o:p></o:p>
A:一般公差精密级
B:一般公差中等级
C:一般公差粗糙级
D:一般公差最粗级

.<img height="80" width="598" alt="" src="http://file.open.com.cn/ItemDB/65645/c967a228-64a5-4923-90a4-ed5a422b0c88/20103284618962.jpg" />
A:A
B:B
C:C
D:D

.<img height="120" width="598" alt="" src="http://file.open.com.cn/ItemDB/65645/887fa5b5-8fd6-4fd4-86ec-d079c1854f89/201032213642640.jpg" />
A:A
B:B
C:C
D:D

.<img height="53" width="598" alt="" src="http://file.open.com.cn/ItemDB/65645/15b3b9e3-ff86-4ee3-acd7-8301d6d69d61/201034124017179.jpg" />
A:A
B:B
C:C
D:D

.<img height="80" width="598" alt="" src="http://file.open.com.cn/ItemDB/65645/a88c66b0-ad4d-4a60-857c-7867767a0b25/201032214448800.jpg" />
A:A
B:B
C:C
D:D

.<img height="126" width="598" alt="" src="http://file.open.com.cn/ItemDB/65645/46b67f79-57e0-485d-b9f2-a967f15ae94d/20103283130601.jpg" />
A:A
B:B
C:C
D:D

.<img height="100" width="598" alt="" src="http://file.open.com.cn/ItemDB/65645/98de8702-4ce4-4157-9dae-5f5c0670d833/201032112152184.jpg" />
A:A
B:B
C:C
D:D

GB/T 1804-v表示的是____________。<o:p></o:p>?；?一般公差中等级；?一般公差粗糙级；?一般公差最粗级
A:一般公差精密级
B:一般公差中等级
C:一般公差粗糙级
D:一般公差最粗级

GB/T 1804-f表示的是____________。<o:p></o:p>
A:一般公差精密级
B:一般公差中等级
C:一般公差粗糙级
D:一般公差最粗级

<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">采用包容要求时，若零件加工后的实际尺寸在最大、最小尺寸之间，同时形状误差小于等于尺寸公差，则该零件一定合格。
A:错误
B:正确

<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'">轴上有一键槽，对称度公差为<span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 10.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">0.03mm<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'">，该键槽实际中心平面对基准轴线的最大偏离量为<span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 10.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">0.02mm<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'">，它是符合要求的。
A:错误
B:正确

<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">加工误差只有通过测量才能得到，所以加工误差实质上就是测量误差。
A:错误
B:正确

<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">平面对基准平面的平行度误差为<span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 10.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">0.05<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">，则该平面的平行度误差就一定不大于<span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 10.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体">0.05<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">。
A:错误
B:正确

<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">最大实体要求既可用于导出要素，又可用于组成要素。 
A:错误
B:正确

<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">圆柱度公差是控制圆柱体零件纵向截面内形状误差的一项综合指标。
A:错误
B:正确

<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-size: 10.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: 'Times New Roman'">.<img height="63" width="598" alt="" src="http://file.open.com.cn/ItemDB/65645/5b32e10d-cacb-46b1-84c1-cab3f3f85915/201034123054332.jpg" />
A:错误
B:正确

<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">包容要求主要用于尺寸公差与形状公差间无严格比例关系，保证配合性质的场合。
A:错误
B:正确

<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">零件的最大实体尺寸一定大于其最小实体尺寸。
A:错误
B:正确

<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">最小实体尺寸是孔、轴最小极限尺寸的统称。
A:错误
B:正确

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20春学期《互换性与技术测量》在线平时作业2

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