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想到这里，他立即带上两个测工，肩扛手拎着仪器，硬是徒步走到了现场。sectionoftheDepartmentofprojectmanagement;Projectdocumentsandinformation:ProjectEngineeringDepartment;Materialsandequipment:materialsupplyprojects;Securitycontrols:theprojectDepartmentofsafetyandsecurity;Constructionmachinery:ProjectEngineeringDepartment;Financial:ProjectManagementDepartmentoffinance;Securityandfireservices:projectsecurity.3.3.5managementrepresentativeandprojectmanagerinthisitemspecifiesthattheChiefEngineeristhemanagementrepresentative,responsiblefortheoperationofqualitymanagementsystemandsupervision,regardlessofhowhisotherresponsibilities,shouldhaveaclearmandateto:ensurethatthequalitymanagementsystemisimplementedandmaintained;Therunningofthequalitymanagementsystemtotheprojectmanager,includingneededimprovements;Alwaysbeawarethatthecustomer'sneedsandrequirements.3.43.4.1projectmanagementreviewshouldbeanannualreviewofitsqualitymanagementsystemtoensureitscontinuingsuitability,adequacyandeffectiveness.3.4.2Administrationreviewbytheprojectmanagerresponsiblefororganizationandimplementation,projectqualitycontrolDepartmentisresponsibleforspecifictasks.3.4.3themanagementreviewshouldcompareandevaluatethefollowinginput:internalandexternalqualityauditsandcorrectiveeffect;Customerfeedbackontheconstruction,installation,commissioning,serviceinformation(complaintsandsatisfaction);Qualityrecords,qualitycompliancewithtrendreports,analysisofresults;Combinedwiththequalitypolicyandtheachievementofthegoals,statusandsuitabilityevaluationofthequalitymanagementsystemtodeterminecorrective,preventiveandimprovementmeasuresofperformance.3.4.4evaluationmethodandprocedure(1)review:bytheprojectmanager,projectmanager,functionaldepartmentsandheadsofspecialized人教版初中物理计算题汇总（附答案）1密度计算：1、有一个玻璃瓶，它的质量为0.1千克。当瓶内装满水时，瓶和水的总质量为0.4千克。用此瓶装金属粒若干，瓶和金属颗粒的总质量是0.8千克，若在装金属颗粒的瓶中再装满水时，瓶、金属颗粒和水的总质量为0.9千克。求：（1）玻璃瓶的容积。（2）金属颗粒的质量。（3）金属颗粒的密度。2、一个质量为232g的铜铝合金球，其中含铝54g，铜的密度为ρ铜＝8.9g/cm3,铝的密度为ρ铝＝2.7g/cm3，求合金球的密度为多少？二速度计算：3、一座桥全长6.89Km，江面正桥长为1570m，一列长为110m的火车匀速行驶，通过江面正桥需120s，则火车速度是多少m/s?火车通过全桥需用多长时间？三、杠杆平衡条件计算：4、长lm的杠杆水平放置，支点在距左端0．8m处，现在左端挂20N重的物体，要使杠杆在水平位置平衡，应在杠杆的最右端挂的重物是多重。5、一把杆秤不计自重，提纽到秤钩距离是4cm，秤砣质量250g．用来称质量是2kg的物体，秤砣应离提纽多远，秤杆才平衡？若秤杆长60cm，则这把秤最大能称量多少kg的物体？四、压强计算：6、学生课桌质量为9千克，桌子与地面有四个接触面，每个接触面的面积为4×10-4米2；某同学将底面积为24.5×10-4米2、容量为1升、装满水后水深为18厘米的塑料水杯放在课桌的桌面上。求：（1）课桌对地面的压力；（2）课桌对地面的压强；（3）杯对桌面的压强。（不计塑料水杯的质量）7、放在水平面上容器内装有质量为1kg的水，若水深h＝18cm，容器底面积S＝50cm2，不计容器的质量。求：（1）离容器底8cm处有一个A点，A处受到水的压强和方向；（2）水对容器底的压力和压强；（3）容器对桌面的压力和压强。图7图8图9想到这里，他立即带上两个测工，肩扛手拎着仪器，硬是徒步走到了现场。sectionoftheDepartmentofprojectmanagement;Projectdocumentsandinformation:ProjectEngineeringDepartment;Materialsandequipment:materialsupplyprojects;Securitycontrols:theprojectDepartmentofsafetyandsecurity;Constructionmachinery:ProjectEngineeringDepartment;Financial:ProjectManagementDepartmentoffinance;Securityandfireservices:projectsecurity.3.3.5managementrepresentativeandprojectmanagerinthisitemspecifiesthattheChiefEngineeristhemanagementrepresentative,responsiblefortheoperationofqualitymanagementsystemandsupervision,regardlessofhowhisotherresponsibilities,shouldhaveaclearmandateto:ensurethatthequalitymanagementsystemisimplementedandmaintained;Therunningofthequalitymanagementsystemtotheprojectmanager,includingneededimprovements;Alwaysbeawarethatthecustomer'sneedsandrequirements.3.43.4.1projectmanagementreviewshouldbeanannualreviewofitsqualitymanagementsystemtoensureitscontinuingsuitability,adequacyandeffectiveness.3.4.2Administrationreviewbytheprojectmanagerresponsiblefororganizationandimplementation,projectqualitycontrolDepartmentisresponsibleforspecifictasks.3.4.3themanagementreviewshouldcompareandevaluatethefollowinginput:internalandexternalqualityauditsandcorrectiveeffect;Customerfeedbackontheconstruction,installation,commissioning,serviceinformation(complaintsandsatisfaction);Qualityrecords,qualitycompliancewithtrendreports,analysisofresults;Combinedwiththequalitypolicyandtheachievementofthegoals,statusandsuitabilityevaluationofthequalitymanagementsystemtodeterminecorrective,preventiveandimprovementmeasuresofperformance.3.4.4evaluationmethodandprocedure(1)review:bytheprojectmanager,projectmanager,functionaldepartmentsandheadsofspecialized28、在海拔3000m以内，每升高10m大气压降低100Pa，若在山脚下的大气压为标准大气压，那么在850m的山顶上大气压是多少？五、浮力计算：17、把一个外观体积为17.8cm3的空心铜球放入水中，它恰好处于悬浮状态，已知铜的密度是8.9×103kg/m3，g取10N/kg。求：（1）空心铜球的重力；（2）铜球空心部分的体积。九、功、功率、机械效率计算18、将重物提高2米，所用拉力F=196牛，求拉力做了多少功？重物有多重（动滑轮重不计）19、一辆汽车不慎陷入泥坑，司机用图11所示的滑轮组将汽车拖出。已知整个过程中，水平拉力F是1×104N，汽车沿水平方向匀速移动了4m，滑轮组的机械效率为80％。求：（1）拉力F做的总功；（2）有用功为多大？20、如下图12所示是××型小汽车，下表列出有关数据:小汽车的质量700kg小汽车的额定功率60kW每个轮胎与地面的接触面积500cm2100km耗油量10L汽油的密度0.71×103Kg／m3汽油的价格5.0元/L求：(1)该小汽车静止在水平地面上时，对地面的压强是多大?(2)若该小汽车行驶100km．则需耗油多少kg?(3)假若该小汽车在水平路面上以额定功率匀速直线行驶．速度为20m／s．请计算该车10min内牵引力所做的功和小汽车受到的阻力。(g=10N／kg，1L=10-3m3)十、热量计算：21、太阳能热水器是利用太阳能来加热水的一种装置，小新同学家有一台太阳能热水器安装在离地面10m高的屋顶上。现需要将初温为100C的100kg的水，加热到600C，则：（1）把这些水从地面输送到屋顶的热水器中，需要对水做多少功？（2）这些水要从太阳那里吸收多少热量？（3）下雨时，改用热水器中的电辅助设备加热（加热功率为1500W），若不计热损失，加热这些水需多长时间？[g=10N/kg，c水=4.2×103J/(kg·0C)]图10图11图12图10想到这里，他立即带上两个测工，肩扛手拎着仪器，硬是徒步走到了现场。sect