拱坝(arch dam)

题目

拱坝(arch dam)

参考答案和解析
正确答案: 在平面上拱向上游将荷载主要传递给两岸的曲线型坝。
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相似问题和答案

第1题:

四川二滩水电站其大坝属于()。

A单曲拱坝

B砌石拱坝

C双曲拱坝

D空腹拱坝


正确答案:C

第2题:

Whatwillbetheresultofthefollowingconfiguration?()Log_archive_dest_1=location=c:\oracle\arch\mydbLog_archive_dest_2=location=z:\oracle\arch\mydb

A.Anerrorwilloccurduringdatabasestartupbecausethesecondparameterisnotvalid.

B.Anerrorwilloccurduringdatabasestartupsinceyouaretryingtocreatearchivedredologsintwodifferentlocations.

C.ArchivedredologswillbecreatedintwodifferentlocationsbytheARCHprocess.

D.ArchivedredologswillbecreatedintwodifferentlocationsbytheLGWRprocess.

E.Neitherparametersettingisvalid,sothedatabasewillnotstartup.


参考答案:C

第3题:

关于事故分类中的DAM,哪项说法是不正确的?()

A.它的完整写法是Damageinc ident

B.它指的是财产损失事件

C.DAM事件中肯定也伴随其他伤害事故的发生

D.DAM事件属于负面HSSE指标


参考答案:C

第4题:

耻骨弓角度(angle of pubic arch)


正确答案: 用左右手拇指指尖斜着对拢,放置在耻骨联合下缘,左右两拇指平放在耻骨降支上,测量两拇指间角度,为耻骨弓角度,正常为90℃。

第5题:

Inyourdatabase,youmaybeforcedtoperformarecoveryusingtheRESETLOGSoptionduringwhichtheredologswouldberesettosequencenumber1.Youwanttoavoidtheoverwritingofoldlogfiles.Whicharchivedlogfilenameformatensuresthis?()

A.%t_%s.dbf

B.arch_%t.arc

C.arch_%d.arc

D.arch_%t_%d.arc

E.arch_%d_%s_.dbf

F.arch_%t_%s_%r.arc


参考答案:F

第6题:

Youwanttosetthefollowinginitializationparametersforyourdatabaseinstance:LOG_ARCHIVE_DEST_1=’LOCATION=/disk1/arch’LOG_ARCHIVE_DEST_2=’LOCATION=/disk2/arch’LOG_ARCHIVE_DEST_3=’LOACTION=/disk3/arch’LOG_ARCHIVE_DEST_4=’LOCATION=/disk4/archMANDATORY’Identifythestatementthatcorrectlydescribesthissetting.()

A.TheMANDATORYlocationmustbeaflashrecoveryarea.

B.Theoptionaldestinationsmaynotusetheflashrecoveryarea.

C.ThissettingisnotallowedbecausethefirstdestinationisnotsetasMANDATORY.

D.Theonlineredologfileisnotallowedtobeoverwrittenifthearchivedlogcannotbecreatedinthefourthdestination.


参考答案:D

第7题:

YouhaveconfiguredflashrecoveryareainyourdatabaseandyousetthefollowingInitializationparametersforyourdatabaseinstance:

LOG_ARCHIVE_DEST1=,,LOCATION=/disk1/archMANDATORY’

LOG_ARCHIEVE_DEST2=,,LOCATION=/disk2/arch’

LOG_ARCHIVK_DEST_3=,,LOCATION=/diSk3/arch

LOG_ARCH1VK_DEST_4=’LOCATION=/disk4/arch’

LOG_ARCHIVE_MIN-SUCCEED_DEST=2

Whilethedatabaseinstanceisfunctional,yourealizedthatthedestinationsetbythe

LOG_ARCHIVE_DEST_IparameterIsnotavailableforthearchivedredologfiletobecreatedin.Allredologgroupshavebeenused.

Whathappensinaneventoflogswitch?()


参考答案:D

第8题:

拱坝的扬压力一般仅在()情况下予以考虑。

A单曲拱坝

B重力拱坝

C中厚拱坝

D薄拱坝


正确答案:BC

第9题:

拱坝按拱坝的曲率分()、()。


正确答案:单曲拱坝,双曲拱坝

第10题:

室温下下列物质分别与硝酸银溶液作用,能立即产生白色沉淀的是()。

  • A、ArCH2Cl
  • B、ArCH2CH2Cl
  • C、H2C=CHCl
  • D、ArCl

正确答案:A

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