东财《建筑材料》在线作业二(随机)（easternmoney building materials online homework two (random)）

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1、东财《建筑材料》在线作业二(随机)（Easternmoneybuildingmaterialsonlinehomeworktwo(random)）Morethan13spring"buildingmaterials"onlinehomeworkanswer231(random)13autumnpaperstotalscore:100testtime:-RadioexaminationAmultiple-choicequestionRadioexaminationquestions(10questions,40points)

2、1.moistureinthecellcompartmentandintercellularspaceofwoodis().A.freewaterB.adsorptionwaterC.combinedwaterD.freewaterFullmarks:42.whitesheetglassbelongsto().A.architecturaldecorativeceramicsB.plasticC.decorativeglassFullmarks:43.concretecubecompressivestrengthstand

3、ardvalueguaranteerateis()%.A.85B.90C.95D.100Fullmarks:44.toprepare1m3cementmortar,thevolumeofcementshouldbe0.45m3,thebulkdensityofcementis1200kg/m3,andthestirringlossis3%,thenthecementdosagepercubicmeterofcementmortaris()kg.A.378.5B.486.6C.556.2D.687.9Fullmarks:45

4、.thelinestrengthofwoodisarrangedaccordingtosize.A.compression>tension>bendingB.tensile>compression>bendingC.bending>tensile>compressiveD.tensile>bending>compressionFullmarks:46.theporosityofcementpasteanditswatercementratio.A.isinverselyproportionaltoB.isproportio

5、naltoC.isuncertainFullmarks:47.inaconcretemixwithabulkdensityof2400kg/m3,theknownunitwaterconsumptionis180kg,thewatercementratiois0.7,theweightsandratiois35%,andtheunitstonedosageis(kg).A.687B.1362C.1276D.733Fullmarks:48.polymermortarisaddedinwatermortar.A.organic

6、emulsionB.boraxC.ceramsitesandD.quartzstoneFullmarks:49.massconcreteconstructionshouldnotchoose().A.ordinarycementB.slagcementC.flyashcementD.volcanicashcementFullmarks:410.limestoneisakindofsedimentaryrock,andthemainrockformingmineralis().A.clayB.dolomiteC.ironox

7、ideD.calciteFullmarks:4Morethan13spring"buildingmaterials"onlinehomeworkanswer231(random)13autumnpaperstotalscore:100testtime:-RadioexaminationAmultiple-choicequestion,(atotalof15multiple-choicequestions,atotalof60points.)1.limeshouldbestoredandtransported.A.issui

8、tablefordampB.canbestoredforalongtimeC.preventmoistureD.shouldnotbestoredforalongtimeFullmarks:42.thegreaterstrengthofwoodinthefollowingstrengthis().A.c