互换性与技术测量习题库(答案)

ndoverallleadershipresponsibilityforsafety.AdministrativeDeputyiswithinthescopeoftheirrespectiveresponsibilitiesatvariouslevelsofsecurityresponsibility,inchargeofsecurityworkinthecontextofleadership,responsibletotheChief.Fifthopenpitproductionsafetyaccidentinvestigationsystem,performedonaproductionsafetyaccidentfournoprinciple.Imposedonproductionsafetyaccidentreportstepbystepreportingthreechannels,namely,UnitChief,administrationandsafetysupervisionsystemcounterparttosuperiorleadership,reportsinatimelymanner.Sixthpitmustimplementthewhoisinchargeofwho'sinchargeandhosemustbesafeprinciplesinplanning,layout,checkproductionwork,summarizedandevaluatedatthesametime,plans,features,review,summary,ratingsafetywork.Firmlyestablishingsafetyistheeffectiveness,safetyisthecredibility,safetyisthecompetitivenessawareness,tomakesafetywork.Seventhminingtradeunionorganizationaccordingtolawtheworkerstoparticipateintheworksafetyofdemocraticmanagementanddemocraticsupervision,safeguardworkers'legitimaterightsandinterestsinrespectofsafety.PersonaldeathandaTradeUnionhastherighttoparticipateinthemajoraccidentinvestigations,relyonthemassestodoproductionsafetywork.Eighthpitmustbebasedonrelevantlawsandregulations,industrystandardsandcompanyandGod'sstandards,rulesandregulationsissuedbythecompany,developingrulesandregulationsforcoalproduction,institutionalizationan培养学生的阅读习惯，通过阅读欣赏短文，引导学生感悟大自然的美，激发热爱家乡的感情。语文生活，让学生认识到生活中处处有语文，学习语文应走出课堂，在生活中自主地认字。通过口语交际，培养学生交流的兴趣和交际能力。互换性与技术测量习题库一、判断题1.零件装配时仅需稍做修配和调整便能装配的性质称为互换性。（×）2.完全互换性的装配效率一定高于不完全互换性。（×）3.设计给定的尺寸称为基本尺寸。（√）4.零件是否合格首先要看它是否达到了基本尺寸，正好等于基本尺寸肯定是合格品。（×）5.零件的尺寸公差可以为正、负和零。（×）6.尺寸偏差是某一尺寸件其基本尺寸所得的代数差，因而尺寸偏差可以为正、负和零。（√）7.孔的上偏差代号是ES，轴的上偏差代号是es。（√）8.某尺寸的上偏差一定大于下偏差。（√）9.相互结合的孔和轴称为配合。（×）10.公差带中的零线通常表示基本尺寸。ndoverallleadershipresponsibilityforsafety.AdministrativeDeputyiswithinthescopeoftheirrespectiveresponsibilitiesatvariouslevelsofsecurityresponsibility,inchargeofsecurityworkinthecontextofleadership,responsibletotheChief.Fifthopenpitproductionsafetyaccidentinvestigationsystem,performedonaproductionsafetyaccidentfournoprinciple.Imposedonproductionsafetyaccidentreportstepbystepreportingthreechannels,namely,UnitChief,administrationandsafetysupervisionsystemcounterparttosuperiorleadership,reportsinatimelymanner.Sixthpitmustimplementthewhoisinchargeofwho'sinchargeandhosemustbesafeprinciplesinplanning,layout,checkproductionwork,summarizedandevaluatedatthesametime,plans,features,review,summary,ratingsafetywork.Firmlyestablishingsafetyistheeffectiveness,safetyisthecredibility,safetyisthecompetitivenessawareness,tomakesafetywork.Seventhminingtradeunionorganizationaccordingtolawtheworkerstoparticipateintheworksafetyofdemocraticmanagementanddemocraticsupervision,safeguardworkers'legitimaterightsandinterestsinrespectofsafety.PersonaldeathandaTradeUnionhastherighttoparticipateinthemajoraccidentinvestigations,relyonthemassestodoproductionsafetywork.Eighthpitmustbebasedonrelevantlawsandregulations,industrystandardsandcompanyandGod'sstandards,rulesandregulationsissuedbythecompany,developingrulesandregulationsforcoalproduction,institutionalizationan培养学生的阅读习惯，通过阅读欣赏短文，引导学生感悟大自然的美，激发热爱家乡的感情。语文生活，让学生认识到生活中处处有语文，学习语文应走出课堂，在生活中自主地认字。通过口语交际，培养学生交流的兴趣和交际能力。（√）11.间隙配合中，孔的实际尺寸总是大于或等于轴的实际尺寸。（√）12.现行国家标准规定共有18个标准公差等级。（×）13.国家标准规定了基孔制和基轴制，一般情况下，应优先采用基轴制。（×）14.基孔制是基本偏差为一定的轴的公差带与不同基本偏差的孔的公差带形成各种配合的一种制度。（×）15.在选基准制时，一般是优先采用基孔制。（√）16.将标准公差与基本偏差相互搭配，就可以得到每一基本尺寸的很多不同公差带。（√）17.在同一尺寸段里，标准公差随公差等级的降低而增大。（√）18.各级a~h的轴与H孔的配合必然是形成间隙配合。（√）19.一般情况下优先选用基孔制，是因为可以减少所用定值刀具、刀具的规格和数量。（√）ndoverallleadershipresponsibilityforsafety.AdministrativeDeputyiswithinthescopeoftheirrespectiveresponsibilitiesatvariouslevelsofsecurityresponsibility,inchargeofsecurityworkinthecontextofleadership,responsibletotheChief.Fifthopenpitproductionsafetyaccidentinvestigationsystem,performedonaproductionsafetyaccidentfournoprinciple.Imposedonproductionsafetyaccidentreportstepbystepreportingthreechannels,namely,UnitChief,administrationandsafetysupervisionsystemcounterparttosuperiorleadership,reportsinatimelymanner.Sixthpitmustimplementthewhoisinchargeofwho'sinchargeandhosemustbesafeprinciplesinplanning,layout,checkproductionwork,summarizedandevaluatedatthesametime,plans,features,review,summary,ratingsafetywork.Firmlyestablishingsafetyistheeffectiveness,safetyisthecredibility,safetyisthecompetitivenessawareness,tomakesafetywork.Seventhminingtradeunionorganizationaccordingtolawtheworkerstoparticipateintheworksafetyofdemocraticmanagementanddemocraticsupervision,safeguardworkers'legitimaterightsandinterestsinrespectofsafety.PersonaldeathandaTradeUnionhastherighttoparticipateinthemajoraccidentinvestigations,relyonthemassestodoproductionsafetywork.Eighthpitmustbebasedonrelevantlawsandregulations,industrystandardsandcompanyandGod'sstandards,rulesandregulationsissuedbythecompany,developingrulesandregulationsforcoalproduction,institutionalizationan培养学生的阅读习惯，通过阅读欣赏短文，引导学生感悟大自然的美，激发热爱家乡的感情。语文生活，让学生认识到生活中处处有语文，学习语文应走出课堂，在生活中自主地认字。通过口语交际，培养学生交流的兴趣和交际能力。20.在公差等级高于IT8级的配合中，孔与轴的公差等级必须相同。（×）21