资源描述：
《第二章 气硬性无机胶凝材料（the second chapter is rigid inorganic cementing material）》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、第二章气硬性无机胶凝材料（Thesecondchapterisrigidinorganiccementingmaterial）Thesecondchapterisrigidinorganiccementingmaterial1.whichgroupisthecementitiousmaterialinthefollowingcementitiousmaterial?Lime.II.Gypsum;III.Cement;IV.Waterglass(A)I,II,III(B),II,III,IV(C),I,II,IV(D)I,II,IV[answer]D.[description]cementit
2、iousmaterialreferstoitsownphysicalandchemicaleffects,canbefromtheslurryintohardsolidmaterial,andcanbescatteredormassivematerialcementationintoawhole.Belongstothehydrauliccementinorganiccementingmaterial;lime,gypsum,waterglassandmagnesiaandmagnesiacementitiousmaterialisairhardeninginorganicgellingma
3、terial.Allkindsofasphaltandvariousnaturalandartificialresinsbelongtoorganiccementingmaterials.2.gypsumplasterusedingypsumplasteriscalcinedathightemperaturewithgypsum(A)150~170(B)190~200(C)400~500(D)750~800C[answer]A.[description]thegypsumplasterofthebuildingiscalcinedatthetemperatureof107~170degree
4、stohemihydrategypsum.3.gypsumplaster,whichkindofgypsumisusedinthegypsumplaster?(A)buildinggypsum(B)floorgypsum(C)highstrengthgypsum(D)modelplaster[answer]A.[description]buildinggypsumiscommonlyusedinthepreparationofgypsummortar,makingbuildingartaccessoriesandarchitecturaldecorationgypsumproducts,ca
5、nalsobeusedforgypsumplaster;gypsumplasterfloorismainlyusedforground,gypsummortarandgypsumconcrete;highstrengthgypsumandgypsumbrick,artificialmarble,artificialstoneandpaintcoating;andthegypsummodelasastatue,sculpture,artificialstoneandpaintetc..Theuseof4.propertiesofbuildinggypsumisnottrue?(A)nocrac
6、kindrying(B),strongwaterresistance(C),easyprocessing(D),goodfireresistance[answer]B.[description]technicalpropertiesofbuildinggypsum,apparentdensity,lowthermalconductivity,strongabsorption,hammeringandsawing;crackingandhardeningspeed,andhardening;withfireresistance;withastronghygroscopicity;poorwat
7、erresistanceandfrostresistance.5.theconceptofthemaintechnicalperformanceofbuildinggypsum,whichisnotcorrect?(A)white,specificgravity2.6~2.75(B)bothwaterresistanceandfrostresistancearepoor(C)suitableforinteri
