奥特曼 发表于 2019-9-27 08:49:25

西南大学19秋[0069] 化工基础在线作业

0069 化工基础
1.[单选题]水在无相变时在圆形直管内作强制湍流,对流传热系数为1000W/(m2.℃)。若将水的流量增加1倍,而其他条件不变,则对流传热系数变为为(         )。
奥鹏作业答案可以联系QQ 761296021
    A.500
    B.1741
    C.不变
    D.2000
2.[单选题]由于离心泵无自吸能力,为避免(      )现象的发生,启动前先要灌泵。
    A.倒吸
    B.气缚
    C.叶轮不转
    D.汽蚀
3.[单选题]用精馏塔完成分离任务所需理论板数 为8(包括再沸器),若全塔效率为50%,则塔
内实际塔板数为(      )。
    A.无法确定
    B.16
    C.12
    D.14
4.[单选题]流体静力学方程反映了静止流体内(   )的分布规律。
    A.压力
    B.密度
    C.温度
    D.压强
5.[单选题]多层圆筒壁面定态导热时,总过程与各分层导热的关系说法不正确的是(   )。
    A.总热阻等于各层热阻之和
    B.总温差等于各层温差之和
    C.总传热速率等于各层传热速率
    D.总过程热通量与各层热通量相等
6.[单选题]在精馏塔中,加料板以下的塔段(包括加料板)称为(    )。   
    A.提馏段
    B.混合段
    C.精馏段
    D.进料段
7.[单选题]某套管换热器由?108×4mm和?55×2.5mm钢管组成,流体在环隙间流动,其当量直径为(   )mm。
    A.58
    B.53
    C.50
    D.45
8.[单选题]精馏的两操作线都是直线,主要是基于(      )。
    A.恒摩尔流假设
    B.理想溶液
    C.理论板的概念
    D.拉乌尔定律
9.[单选题]真空度为0.092MPa在标准大气压下,绝对压力为(      ) MPa。
    A.760
    B.0.092
    C.0.1013
    D.0.009
10.[单选题]计算液体无相变时在圆直管内对流传热系数,若可采用公式 <img class="kfformula" src="data:image/png;base64,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" data-latex="Nu=0.023{Re}^{0.8}{Pr}^{n}"/>,式中指数n为(      )。
    A.被加热时为0.4,被冷却时为0.3
    B.被加热时为0.3,被冷却时0.4
    C.0.4
    D.0.3
11.[单选题]多层平壁定态导热时,以下选项说法不正确的是(       )。
    A.A. 传热速率具有加和性
    B.推动力具有加和性
    C.传热阻力具有加和性
    D.热通量不具有加和性
12.[单选题]对于同一简单反应的均相反应器,完成相同的生产任务所需的反应器容积最大的是(         )。
    A.平推流反应器
    B.多级全混流反应器
    C.间歇釜式反应器
    D.全混流反应器
13.[单选题]在二元混合液中,沸点低的组分称为(    )组分。
    A.难挥发
    B.不挥发
    C.易挥发
    D.可挥发
14.[单选题]空气、水、铁三种物质按各自的导热系数从大到小排列,顺序应该为(   )。
    A.铁、水、空气
    B.空气、水、铁
    C.水、空气、铁
    D.空气、铁、水
15.[单选题]离心泵的适宜操作条件是在其特征曲线中的最佳工况点附近,最佳工况点是指()。
    A.功率最大点
    B.最大流量的85%
    C.效率最高点。
    D.扬程最高点
16.[单选题]对于一定的分离任务来说,当全回流时R=(),所需理论板数为最少;而R=()时,所需理论板数为∞。
    A.∞、0
    B.0、Rmin
    C.∞、Rmin
    D.0、∞
17.[单选题]多层平壁稳态导热时,各层(    )相等。
    A.传热量
    B.传热阻力
    C.传热速率
    D.传热温差
18.[单选题]流体在园管内流动时,管中心流速最大,若为湍流时,平均流速是管中心的最大流速的(    )倍。
    A.E.0.5
    B.1
    C.2
    D.0.8
19.[单选题]化工过程四个基本规律是能量守恒,过程的平衡和过程速率以及()。
    A.D.热量平衡
    B.化学反应平衡
    C.溶解平衡
    D.质量平衡
20.[单选题]决定化学反应速率的主要因素是   (       )。
    A.浓度和体积
    B.只有温度
    C.浓度和温度
    D.只有浓度
21.[单选题]某液体在内径为d0的水平管路中稳定流动,其平均流速为u0,当它以相同的体积流量通过等长的内径为d2(d2=d0/2)的管子时,则其流速为原来的(   )。
    A.2倍
    B.4倍
    C.16倍
    D.8倍
22.[单选题]用120℃饱和蒸汽加热原油,蒸汽冷凝成同温度的冷凝水,此时两流体的平均温度差的大小关系为<img class="kfformula" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAScAAAAvCAYAAAChfgyYAAAHz0lEQVR4Xu1dS8huUxh+jsxMkGsmLgMDZWDgUm5FSiiUIpcJBxO3FMc5AxOkkFtKLiURSW6RksOAAUUYyYAyxMTEgBQ9We9p/cu+rLX22nuvb33PN/nP17fW3u963mc/613vetc+u6CPEBACQqBCBHZVaJNMEgJCQAhA4iQSCAEhUCUCEqcq3SKjhIAQkDiJA0JACFSJgMSpSrfIKCEgBCRO4oAQEAJVIiBxqtItMkoICAGJkzggBIRAlQhInKp0i4wSAkJA4iQOCAEhUCUCEqcq3bK6UccB2A/gMADnAvhhdYv+M+BuAI8CeBjAfZXYJDNmQqAWcTobwGcALgXwwUxj1WXjEDgYwOcAjgFwCoA/4rot1soE6kInoKVvLC6WRjTzerWI014ADwJ4B8AVmWNRt+kIHATgGQBXVhYx+SObWzzFxek8KnKFWsTpOQCnAjgDwDlu5k4ZIIWNM/xDKZ3U9n8IcGJ4C8BNAF6sGJ/TAHw90/JuKhcJm/hYgDw1iBNnqu/cMuIFAM8DuDlhbBaGvwrguoR+aroTgbkjkpJ4z2XrVC5yjOJjIU/XIE5ve0u5LzKipzsAPAHgTgBPFsJlGy8zZzQyB54W5ZXMPU3lIscpPhby9trixJnqF28JcSOA1OjpFQDXAnr9y0ROMNF8T8W5pnB4pcW0BBdp45x8ZMT4EYDLgo0KCvXhHUtxYnTVpu5sri1O/kxl5EuNnn4E8BuAMyc+nHN055b8AwBuAfBXxw0oCN/27DpZcvrNnt9JyKsBXN9z7ZTxzLVMSrEhtW1pm0twkWOYm4/0++mB4JD7LwF4xBMocu9DJ05hKciS3Er164H2a4pTOFOZURYWD+WeSKRjARwJ4ETX8Uv397WKlndHAdjtkv2hiJBkjwO4GMD3HR4kgThDcgezK0FtD+enBWZGq2ti7q+E2GUTMqFjyZ3FKVykyUvy0fy+L5i0GCVxM4PlH3+6TaWwjcG7JLcSXLqz6ZrixF2RvsT3P87MMfts27fm3SV7iL7yZjUSibNaTIGjke5+NzuOOfvXyOv61ym9RBqzsdTvpZaiJbjIMS3FR/rrXgB7HI9OjgC0Kze3BLciTOtuMvbwZ194pCNzS/z0bVebk6n8Q+UBnLEuryzfZFFIDGF8mH5OKHpk1PVshgj1ucXEqWaR77K9hDiV4qJFUGvzsWvZl/Icl+ZWyr13tF1LnLrW9+EgYqIntuExC84KtX76yDJGoqF+oTDZTJq7JNtmcSrFRfJvDT5yMnwXwHkuSe7zpi+3tCS3sp/LNcSJM9XREQWTY9ETk8HML41FV9ngFOqYK04nuPH5x0gYKdzWE2HxtyMy80+buKwrkXMqxUVSZQk+2tEd3s+WaaE4+TzoE6cluZX9GK0hTjEzlQ1oKHpiFS4FrPbzeLniRAz8fNU3rip6zNk5h2JtKUrfbMqBWsOGGwq5ZwBLcZE+WYqPoeB0idPvLmUytCu3FLfG+Nr7+9LiFDtTmcHm8K7o6GMAFwT5JrZnW/tw5+94V6DJIs1D3A7fWS4q8b/PVYowRZxSHcudnE/cDmHKmwRKb8un2p3TfqrNJblI+8f4WIqLpcQpFfNcbqXe50D7pcWJBWopR0zsKAANDm1lVOUfWWHbG4IdQNZMUXTY1j9UzO+sKr/LIcHvJbAw4tya6ZGuqIdhus2E/nbxoV6ugcl320bOeYtAiSVS5pCzu01dipbkouWbhvhYiotd4sS869AGTF8V/RLcynZwiQcy9uaXALgGAOtyUj7swwgp3EmioFgtFIWJQD8WHBrmbMUjLaH4+N9p1/uFxKlrXD4B/N/HEuJsG9a0+Ilv1nhZInSqOPFem3Lo1zCc8uqU0lw0cRriYykuxi7VuBM+1HZJbqU876tETrbtn2UoABZZ+ksvhuUUrp/cBV/ueZuBJdZNiK3I077zd17rpFzDBvoNkSNGnPxIiRGRXxXeJ065QjV1mTQDfL2XnGpraS7S0Bg+luDiGKdY2BuTg1uSW1ncWDJyyjKwQCeG0/yYsFk1r33ncQPOMnz4Sx8cDgmQGjl17bxYMaefCPUFif9mgV5OWcGmRE+bYmdI3xJc7BOnoZ3cvojednfDQuE5uJX8KG+DOHEJ5yfUu74TB844loPqAzJlu95md4b6XcWmY5FT2J/35pkqEx2fQH7+6aKOs1exxJgakcTeZ0q7TbCxb3y5XLQlIa9rQsKDvuTC3+4FgcxLxu60rsGtZJ9vizj54wzzT4yc3nPLxtcHEOw709TVxdqy6rsvghkTJzvicj6A211S3CefL052loov6+NnymtEaj9nNyXXlPyAFO4wlPvkrfq4yH7cbX4awFNOjMiJ3DKKtbiVBOc2iFMSIAONw3qSvqY2s43NZGPiVMrunOvYTtgbmcvDnHvG9NnW/+CAkRPLXjgJ+W+xsOVtDHY59W8x152tjcQpHtqaxSR+FGq5iQhQnPjes6HIfhPHNWizxKk5l2pADSKQWpPVBAQSpybcqEEIgfYQkDi151ONSAg0gYDEqQk3ahBCoD0EJE7t+VQjEgJNICBxasKNGoQQaA8BiVN7PtWIhEATCEicmnCjBiEE2kNA4tSeTzUiIdAEAhKnJtyoQQiB9hCQOLXnU41ICDSBgMSpCTdqEEKgPQQkTu35VCMSAk0g8C9RwUhO3dijCgAAAABJRU5ErkJggg==" data-latex="{\Delta t}_{m,并流}(\, \, \, \, ){\Delta t}_{m,逆流}"/>。
    A.大于
    B.小于
    C.等于
    D.无法确定
23.[单选题]间壁两侧流体的对流传热系数相差较大时,要提高K值,关键在于提高对流传热系数(    )之值。
    A.两者
    B.较大者
    C.较小者
    D.没法确定
24.[单选题]泵实际安装高度必须低于允许安装高度,才不发生(   )。
    A.汽蚀现象
    B.电机损坏
    C.叶轮空转
    D.气缚现象
25.[单选题]流体在圆形直管内作定态流动,雷诺准数Re=1500,则其摩擦系数应为(    )。
    A.0.0267
    B.无法确定
    C.0.0427
    D.0.032
26.[单选题]返混会导致反应器内(      )。
    A.反应物浓度均匀
    B.反应物浓度下降
    C.反应物温度均匀
    D.反应物温度下降
27.[单选题]精馏分离的原理是(         )。
    A.F.同一设备内液相多次部分气化
    B.同一设备内液相多次部分气化同时气相多次部分冷凝
    C.以上都不是
    D.同一设备内气相多次部分冷凝
28.[单选题]在全混流反应器中,釜内物料浓度和温度   (    )。
    A.处处不相同,也随时间变化
    B.处处相同,不随时间变化
    C.处处不相同,且不随时间变化
    D.处处相同,但随时间变化
29.[单选题]湍流流体与器壁间的对流传热其热阻主要存在于(   )。
    A.湍流主体区域
    B.器壁内
    C.湍流流体的滞流内层    无忧答案网 微信761296021
    D.整个流体内
30.[单选题]化学工程学的两大支柱学科是传递过程和( )。
    A.化工制图
    B.化工安全工程
    C.化学反应工程
    D.化工系统工程
31.[单选题]传热的基本方式不包括(      )。
    A.B.辐射
    B.传导
    C.对流
    D.直接混合
32.[单选题]一个满足生产要求的换热器其传热速度必须(      )热负荷。
    A.大于
    B.无所谓
    C.小于
    D.等于
33.[单选题]通常意义上的相对挥发度是指(            )。
    A.轻组分浓度除以重组分浓度
    B.轻组分摩尔质量除以重组分摩尔质量
    C.轻组分质量除以重组分质量
    D.轻组分挥发度除以重组分挥发度
34.[单选题]反应器内流体空间混合的程度越大(      )。
    A.反应物浓度降低
    B.反应器内各位置反应物浓度、温度都增大
    C.反应器内各位置反应物浓度、温度趋于均匀
    D.反应物出口温度降低
35.[单选题]关于传热系数K下述说法中错误的是(   )。
    A.总传热系数K可用来表示传热过程的强弱,与冷、热流体的物性无关
    B.总传热系数K随着所取的传热面不同而异
    C.传热过程中总传热系数K实际是个平均值
    D.要提高K值,应从降低最大热阻着手
36.[单选题]气体密度与压强,温度有关,升压降温,气体密度(       ) 。
    A.不变
    B.减小
    C.增大
    D.不确定
37.[单选题]层流与湍流的本质区别是(    )。
    A.层流无径向脉动,而湍流有径向脉动
    B.层流雷诺数小于湍流
    C.湍流流速大于层流流速
    D.湍流流道截面大于层流流道截面
38.[单选题]间歇式操作的理想釜式反应器非生产性时间不包括下列哪一项(   )。
    A.反应时间
    B.加料时间
    C.清洗时间
    D.升温时间
39.[单选题]连续稳定反应器的物料衡算方程是(   )。
    A.进= 出+ 反+ 积累
    B.以上都不是
    C.进= 出+ 反
    D.进= 出
40.[单选题]流体在直管中流动,当2000<(    )<4000时,流体的流动类型属于不稳定的过渡区。
    A.Nu
    B.Re
    C.Pr
    D.Gr
41.[主观填空题]平推流反应器的物料连续稳定地流入,在垂直于流动方向上的任一截面,物料的浓度 (   )。
    A.
42.[主观填空题]流体在圆形水平直管中流动,测得平均流速为0.5m/s,若Re为900 ,则管中心处点速度为(      )m/s。
    A.
43.[主观填空题]在计算换热器的平均传热推动力时,若两端的推动力相差不大于(   )倍,则可以用算术平均值代替对数平均值 。
    A.
44.[主观填空题]对于二元理想溶液, x-y图上的平衡曲线离(   )越近, 说明该物系不容易分离 。
    A.
45.[主观填空题]当气液两相组成相同时,则气相露点温度(      )液相泡点温度。
    A.
46.[主观填空题]在多层平壁稳定热传导中,通过各层的热通量(   )。
    A.
47.[主观填空题]流体在管内作湍流流动时,邻近管壁处存在滞流内层,且Re值越大,则该层厚度越(    )。
    A.
48.[主观填空题]进出口温度分别为85℃和40℃的热流体对进口温度为20℃的冷流体进行加热,规定冷流体出口温度不超过40℃,则必须采用(    )流动形式进行操作。
    A.
49.[主观填空题]某连续精馏塔常压下分离甲醇水溶液,其精馏段操作线方程为y=0.63x+0.361,求此塔的操作回流比R=(      )。
    A.
50.[主观填空题]对于一定的分离任务来说,精馏过程回流比R=∞时,所需理论板数为最少,此种操作称为(      )。
    A.
51.[问答题]在外径100mm的蒸汽管道外包绝热层。绝热层的导热系数为0.08 W/(m·℃),已知蒸汽管外壁150℃,要求绝热层外壁温度在50℃以下,且每米管长的热损失不应超过150W/m,试求绝热层厚度。
    A.
52.[问答题]密度为1000kg/m3,粘度为1cP的水,以10m3/h的流量在内径为45mm的水平光滑管内流动,在管路某处流体的静压力为<img class="kfformula" src="data:image/png;base64,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" data-latex="1.5\times {10}^{5}"/>Pa(表压),若管路的局部阻力可忽略不计,则距该处100m下游处流体的静压力为多少Pa(绝对压力)?
    A.
53.[问答题]高恒位水槽距出水管垂直距离为6.0m,出水管内径为68mm,流动中的阻力损失为
5.7,试求输水量为每小时多少立方米?
<img src="http://zuoye.eduwest.com/resourcefile/uploadFiles/file/questionImgs2018/2019/07/05/201907051562298260832030424.png" title="201907051562298260832030424.png" alt="流动8-3.png"/>
    A.
54.[问答题]用一连续精馏塔分离苯-甲苯液体混合物,塔顶设全凝器,塔底设再沸器。进料量为150kmol/h,其中含甲苯0.4(摩尔分率,下同),泡点进料。通过取样测得塔顶馏出液中苯回收率为92.20%,塔釜产品中苯含量为0.05,实际操作回流比R=2.43,试求:塔顶产品中苯的组成 和塔釜上升蒸气量V′
    A.
55.[问答题]等温反应 A生成 R ,(-rA) = kCA ,在一容积为VR的CSTR中进行,
其出口转化率为50%,现将此反应移至同容积的PFR中进行,且保持原条件不变,
求此时的出口转化率为多少?
    A.
56.[问答题]在一精馏塔中分离苯-甲苯溶液。泡点进料,进料量F=100kmol/h,进料中苯的摩尔分率 0.45,塔顶采用全凝器,塔釜上升蒸气量V′=140kmol/h,回流比R=2.11。已测得塔顶出料中苯的摩尔分率0.901。已知苯甲苯体系的相对挥发度为2.47。试用逐板法求第1~2块理论板的苯的液相组成
    A.
57.[问答题]在由118根<img class="kfformula" src="data:image/png;base64,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" data-latex="\phi 25\times 2.5mm"/>,长为3m的钢管组成的列管式换热器中,用饱和水蒸汽加热空气,空气走管程。已知加热蒸汽的温度为132.9℃,空气的质量流量为7200kg/h,空气的进、出口温度分别20℃和60℃,操作条件下的空气比热为1.005kJ/(kg.℃),空气的对流给热系数为50 W/(m2.℃),蒸汽冷凝给热系数为8000 W/(m2.℃),假定管壁热阻、垢层热阻及热损失可忽略不计。求此换热器能否完成生产任务?
    A.
58.[问答题]直径为<img class="kfformula" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAK8AAAArCAYAAAAOs9i7AAAJd0lEQVR4Xu2bCYxlRRWGv1EUhbiAKKCIKCCLbBFwQYUYgkaNIiCCG3uCqCCgIu4aFzQC7gRFUFFQE2MERaMiBMKihh0EFdkiKOAWMYoat3zxnKRSc+97r6f7vu7XU5V0ZqZvVd2qU3/99Z+/7qyglRaBGY3Aihkddxt2iwANvA0EMxuBBt6ZXbo28AbehoGZjUAD78wuXRt4A2/DwMxGoIF3ZpeuDbyBt2FgZiPQwDuzS9cG3sDbMDCzEWjgndmlawNfKuDdAngp8FHgP21ZWgQmicBSAe8ewEOBc3sGvSbwIuA5wL3AOsDjgc8BF3UA3r5eBjwd+DXwJOAW4AvA7yYJzCrWeQDwXMD5/BPYFTgfOAP4zQR9uonfC5wJXAz8FXgE8OyY//HAfRP0s1pUWQrgdQxvAn4AXNcRdYF7DPBD4MriucD8MvBJ4DPAf+PZ2sDbgW9W9bcB3ge8FfjVAKvrPF4Tm+v7MZ6HxVgE9MHATWPeK3i/Dmxf1PsL8EXg/QNvvAFCMmyXSwG8LrCAOgn4U8d0dwROAz4RjJQgXSt+tzXwSuCOaCtDPzba1N29Cngi8MEC7AsV4acE434K+HfR6eNik/0eOLxnjlld8O4NfAtYP5j3l8CfF2qQy6mfpQBeF2wf4CPVomecBefZwaSCLoGhNPgYsBOwf8Gm7wr2+2zHQj0r2FEmv3+BF/INwOUV2/sKY/wO4HXAizuel8MwFi+MeS3w8JZfd0sBvOrDdeO4nEuEHx2gvhMQOOpDi+wmSA4D7q46PDS09aer3z88AOaRfdWIQRivPYGt4qRQ11oeEv/eHfAdl1Z9yPhfAV4NnDWi/wbeOSBgMcDrO58AvDzGuS1wPSAYv9uTgHVNSaDIyOpM9XKWzeOYNnk6OthQqSHg1Nay4D1Vh45pL+BI4M097DiqzgOBNwKHxOapwXsA8KUAfl9S6pDmAt41gNcCyqfNgFNCU+vabBgb9/nANyKuxvwVwG3AkwHbfxz4YxULx6A+t/w2kmIljHG+Od6l1DsxkkdPCmNuv5KG+vzCAWTZShiYNnidtBmzgXPyfw+AmXT59+OAfwEnA/8YsQnVkbYRCDKZbcry1Hi+XSzqFcCW8fd6sbLdKHBOAu6+4Qpsky1BtS/wszHMq4QysRMwtwO7ANcC36li8jTgGcDpwfrWvws4Fbgh3uGmMd5KKBNf9bhyyZzAuBk/pVcW67wtNpp1vhf9udk9rVyTPPEco8lkmRh76vnOMgeZA5fOreo0wWtwDZ4LYtbvMS9jaGnp76pl3fUG9T3AedVUHgXIJCZG7nQXxB3e5wsLcNnoJbH4rwcuG8MIXSCdD3CdggniV4EfxbzqjVZO0/m/M34yARVQan0tPpNa25cOjfU+D+wMHBgnV/bp3M+J5FWdn9LKWBpn16LU/2X+YeJrW2MoqWRbrTvfZ/6gDLqgmEDKI629+vSZGzInqD0t8OYCyH6lFq31bgZV3WniVWbt5XSUBCZpMpkb4ZrioXN6ZviisrMJnYsukygZ9IZHsXoJVhdNP3mUnBgVZk8Yx+eGk5VquVK3tb4/nkJlESiCTVbT/1WjK2+cl0z4tdgczq/cHALzLcH6Py06lDRsI5s7vnRwBKwnhYwsAysf9gOuLtoqP5RrnmbGp4ylbZQmSsKfT4C/eVWZFng94rR/BKTHXBaDKyOlv9vHCF2TTGCofUsPdbfQlr4r2cIFNtAuuH8qS/o2hu8yLi7ah0P3mRCWHvMkQbcPF9If2yeTTtK2rpOA8UKm3tQSgJrfRLLU0+nGbBrHeHk54+WJfdVt8r3KO71z+5BsSqvOjaSccE5epmRJ6/KRHW1WZc5j20wLvLmLlQgJ1C5/V41qguFN2AljR/9/SeDR5oJ6tBo42Ujb7RdVe8FuwmabcZpsIcDrJjoKOHaewHUauam9XVT+qDWzdMXWZ6lrZU11bzojPpM0lBhu0DpOPk9mdlPUm8UTRFlX2365wQT2ED76SnCYBniTATYB1ER/iFGk41CyoDZTJjcec7b9UOi5gzpuxmSBS0L/uiB6wvYhw/6tA/zrhRPxgRGarJYNMpcso5swKft6myfIvOodJxVymLou7w5Z421iWRK8/q6MYTKkVqNuQHnJYzIn+JQNpeedmtV16PO7k82VZtqHWdISNM6Oo7zylhS0A18wDb3rgKYB3sy2dQDKwBugxxS+5waRCKiV1G5qqQy0ujOtmnJRM8jJvF4ZKyFclC7w5maQ2buuovsSNhlqUgBryWlhuUHKo9r5+Y2FSWNX8R3eJKqvtdXK0seio+REH0N6Y/ntALU6Wknn2uhSZDF+R0QyXcapbxwPDonl3F0nTwblmbaZ35YMUqYBXgduIqAMUP+lVVTeSOWRbmBdvGQrx5f1TBDK4qbw+DKJUY74XGZVq3lsdYHTzF9W9qitP3AZZ5VNAmAdFb1ema625NSZJq6yqu/aKCbjJYsJk0mddpqSp3YkPGG0pGpPOzdvffkxiiEFtaeCSZWSQZCqf3Ndks3NE3yf19pZ+tg8QW0/JoCesl5z6yOPyi3mBeppgTfBuXHsSBfL7xn0Ds2s1WQWE6RSz/k7AeEuliXUb5kZqyllKh0FWSMXPLWmx+WtRXRkPkFr3foDmUnssNTBfQzsOJU8HtXlgjsEN5qXIDodbqodIoH1mYDVLbGOGlm2NptPC1DLT4vRq2c92S43odafCaYbQ+eX7oWsquXoKejJZ8Jbxi/Z/CcdWlnga2s+D/hxEdtso62mzPDkMREf9yHSTIDXQWpv+UmjLKzechdriSkPTLr8ACWBWU/KL8VkV7/O8tNGgehRpd+oNq7bufP9lkDZIYDHfRI53+thxyJw3WR9xU8jTRQFp4vtkWpRy6cTYYzcfNbzdst+3RQ6NMqN0tN+ULCct2kmhaXeVacrjQSaEqEsMr7sKBHYhxsqXRnrmTQ7NvW3VlpZnJ/PPR3L97nxPFWVbc5FO6+05uYF0r7G02Le+v0eoQKstFoGmWDrdPlGYLHAqyPgUTlp9r58V6DNbJUjsBjgNZlQ76pXJ/nfBas8udZweUdgMcBrMmG2qyPQZWct74i32S1YBBYDvNphfntQf1O7YJNqHa0eEVgM8K4ekW2zHDwCDbyDh7i9YKgINPAOFdnW7+ARaOAdPMTtBUNFoIF3qMi2fgePQAPv4CFuLxgqAg28Q0W29Tt4BBp4Bw9xe8FQEWjgHSqyrd/BI/A/1esfSu+BbYcAAAAASUVORK5CYII=" data-latex="\phi 38\times 2.5mm"/> 蒸汽管,为了减少热损失,在管外包上两层绝热层。第一层是50㎜厚的蛭石,λ=0.0697w/m k,第二层是10㎜厚石棉泥,λ=0.151 w/m k。若管内壁温度为393K,石棉泥外表温度为293K,求每米长的蒸汽管每秒钟的热损失。(钢的λ=46.5 w/m k)
    A.
59.[问答题]在连续精馏塔中分离含苯50%(质量百分数,下同)的苯-甲苯混和液。要求馏出液组成为98%,釜残液组成为1%(均为苯的组成)。求:甲苯的回收率。
    A.
60.[问答题]在一个间歇理想釜式反应器中,用乙酸和丁醇生产乙酸丁酯。在100℃下进行等温反应,当使用过量丁醇时,其反应速度式为 (<img class="kfformula" src="data:image/png;base64,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" data-latex="({-r}_{A})=k{c}^{2}_{A}"/>(下标A表示乙酸)。在上述条件下,反应速度常数为k=17.4 L/(kmol.min)。假设平均每小时处理的原理体积为616L,乙酸初始浓度为:<img class="kfformula" src="data:image/png;base64,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" data-latex="{c}_{A0}=1.8\times {10}^{-3}kmol/L"/>, 每批辅助时间为0.5小时。要求乙酸转化率为80%,试计算反应器的有效容积和总容积(装料系数取0.75)
    A.
附件是答案,核对题目下载
页: [1]
查看完整版本: 西南大学19秋[0069] 化工基础在线作业