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) :水輪機(jī)的工作水頭為 : g 上 下H H h h 1 0 0 0 9 5 0 1 4 9 ( m )? ? ? ? ? ? ? ? ? ? P QH 20 49 8652 ( kW )?? ? ? ? ? ? ggP P 86 52 0. 96 83 06 ( kW )?? ? ? ? 2. 解 :根據(jù)水輪機(jī)的相似率,在同樣水頭條件下,水輪機(jī)的出力與轉(zhuǎn)輪直徑的平方成正比,故大機(jī)組的出力為 : 2P 320 0 ( 280/140 ) 12800 ( kW )? ? ? 《水輪機(jī)、水泵及輔助設(shè)備》答案 請您刪除一下內(nèi)容, O(∩ _∩ )O 謝謝!??! 2021 年中央電大期末復(fù)習(xí)考試小抄大全,電大期末考試必備小抄,電大考試必過小抄 After earning his spurs in the kitchens of The Westin, The Sheraton, Sens on the Bund, and a sprinkling of other topnotch venues, Simpson Lu fi nally got the chance to bee his own boss in November 2021. Sort of. The Shanghaiborn chef might not actually own California Pizza Kitchen (CPK) but he is in sole charge of both kitchen and frontof house at this Sinan Mansions39。若兩水輪機(jī)工況相似,求大機(jī)的水輪機(jī)出力是多少 ? 注 : 可用一次近似式計(jì)算。 A. 有關(guān) B. 無關(guān) 8. 當(dāng)需要減少蝸殼的平面尺寸時(shí)蝸殼包角應(yīng)選 ( ) 。 ( ) 。 ( ) ,又是水輪機(jī) 。 ( ) 。 ( ) 得分 評(píng)卷人 二、單項(xiàng)選擇題( 每小題 2 分,共 20 分) 1. 葉片角度可以調(diào)整的水輪機(jī)有 ( ) 。 A. 大一些 B. 小一些 9. 水輪機(jī)的流量調(diào)節(jié)的實(shí)質(zhì) 是( ) 。 《 水輪機(jī)、水泵及輔助設(shè)備 》試題第 4 頁(共 4 頁) 試卷代號(hào): 2051 座位號(hào) 福建廣播電視大學(xué) 2021—2021 學(xué)年度第二學(xué)期期末考試 水利水電工程與管理(專科)《水輪機(jī)、水泵及輔助設(shè)備》試題(閉卷) 2021 年 7 月 題號(hào) 一 二 三 四 五 總 分 題分 注意:請考生正確填寫試卷右上角的座位號(hào)。stalwart. It’s certainly a responsibility to be the head chef, and then to have to manage the rest of the restaurant as well, the 31yearold tells Enjoy Shanghai. In hotels, for example, these jobs are strictly demarcated, so it’s a great opportunity to learn how a business operates across the board. It was a task that management back in sunny California evidently felt he was ready for, and a vote of confi dence from a pany that, to date, has opened 250 outlets in 11 countries. And for added pressure, the Shanghai branch was also CPK’s China debut. For sure it was a big step, and unlike all their other Asia operations that are franchises, they decided to manage it directly to begin with, says Simpson. Two years ago a private franchisee took over the lease, but the links to CPK headquarters are still strong, with a mainlandbased 39。 得分 評(píng)卷人