【单选题】
保持定额的什么性质是维护定额指导性所必须的？ ___
A. 统一性
B. 系统性
C. 时效性
D. 稳定性
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答案
D
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相关试题
【单选题】
工程定额按其反映的生产要素内容分类，可分为___。
A. 施工定额、预算定额、概算定额
B. 建筑工程定额、设备安装工程定额、建筑安装工程费用定额
C. 劳动消耗定额、机械消耗定额、材料消耗定额
D. 概算指标、投资估算指标、概算定额
【单选题】
下列不属于工人必需消耗的工作时间的是___。
A. 完成基本工作所消耗的时间
B. 为保证基本工作能顺利完成所做的辅助性工作所消耗的时间
C. 工人进行了任务以外但能得一定产品的工作所消耗的时间
D. 由于工艺特点引起的工作中断所消耗的时间
【单选题】
汽车运输体积大而重量轻的货物时，不能充分利用汽车载重吨位而不得不降低其计算负荷下的工作时间属于 ___。
A. 有效工作时间
B. 不可避免的无负荷工作时间
C. 不可避免的中断时间
D. 低负荷下的工作时间
【单选题】
根据计时观察法测得某工序人工工作时间：基本工作时间48min，辅助工作时间5min，准备与结束时间4min，不可避免中断时间2min，休息时间3min，施工本身造成的停工时间5min，则定额时间是___min。
A. 60
B. 62
C. 67
D. 57
【单选题】
已知挖100m3土方，按现行劳动定额计算共需40工日，则挖1m3土的时间定额和产量定额分别为___。
A. 0.4；0.4
B. 0.4；2.5
C. 2.5；0.4
D. 2.5；2.5
【单选题】
根据统一劳动定额已知，砌1m31砖厚双面清水墙的劳动定额为：砌砖0.726，调砂浆0.101，运输0.652。现有这种墙体50 m3，完成该墙体综合用工是___工日。
A. 74
B. 148
C. 36.3
D. 33.8
【单选题】
某工程地面用规格为400mm×400mm×20mm地砖铺贴，灰缝2mm，其损耗率为1.5%，则100m2地面地砖消耗量为 ___。
A. 619块
B. 625块
C. 628块
D. 634块
【单选题】
地砖规格为200mm×200mm×20mm，灰缝宽2mm，结合层砂浆25 mm，则100m2地面砂浆净用量为___。
A. 2.539m3
B. 2.5 m3
C. 2.502 m3
D. 2.359 m3
【单选题】
测时资料表明，斗容量为0.5 m3的正铲挖土机完成一个工作循环用时48秒。设时间利用系数0.75，土斗充盈系数0.9，计算该挖土机挖土方的产量定额___m3/台班。
A. 270
B. 202.5
C. 225
D. 250
【单选题】
某塔式起重机吊运混凝土的一个工作循环过程中：装混凝土为25s，起吊为15s，运行为35s，卸料为15s，起重杆转回为30s，每次装混凝土0.5m3，该起重机纯工作1h生产率是___。
A. 10m3/h
B. 15m3/h
C. 18m3/h
D. 20m3/h
【单选题】
某混凝土搅拌机在规定的正常施工条件下，每搅拌一盘的纯工作时间为4分钟，每盘产量为0.25 m3，机械正常利用系数为0.75，该搅拌机的台班产量定额是___m3/台班。
A. 2.81
B. 22.50
C. 5.00
D. 40.00
【单选题】
下列关于预算定额的用途表述不正确的是___。
A. 它是编制施工图预算的基础
B. 它是编制施工组织设计的依据
C. 它是施工单位进行经济活动分析的依据
D. 它是编制施工预算的基础
【单选题】
预算定额的用工量由基本用工、其他用工和人工幅度差用工三部分组成，其中人工幅度差用工是指___。
A. 预算定额用工与净用工量之差
B. 预算定额用工量测定带来的误差
C. 预算定额用工量与概算定额用工量之差
D. 预算定额用工量与劳动定额用工量之差
【单选题】
完成10m3砖墙需基本用工为26个工日，辅助用工为5个工日，超运距用工为3个工日，人工幅度差系数为10％，则预算定额人工工日消耗量为___工日/m3。
A. 36.6
B. 37.1
C. 37.4
D. 36.9
【单选题】
估算指标的内容因行业不同而异，一般分为___三个层次。
A. 单位工程指标、单项工程指标、建设项目综合指标
B. 扩大分部工程指标、单位工程指标、建设项目综合指标
C. 分项工程指标、分部工程指标、单位工程指标
D. 扩大分部工程指标、单位工程指标、单项工程指标
【多选题】
下列关于施工定额的表述，正确的有___。
A. 施工定额是属于企业定额的性质
B. 施工定额以同一性质施工过程作为产品标定对象
C. 施工定额中是编制施工图预算的依据
D. 施工定额是在现行预算定额的基础上编制的
E. 施工定额是中不包括单价
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