Udindo wa Masamba Osinthidwa a Lasalx

1. Kodi ntchito za obwezeretsedwa ndi matope ndi chiyani?

Yankho: ufa wokwezeka watchx umapangidwa mutabalalika ndikuchita ngati zomatira kwachiwiri kuti muchepetse mgwirizano; Colloid yoteteza imalowetsedwa ndi dongosolo la matope (sizinganenedwe kuti chiwonongedwe pambuyo paumba. Kapena kubalabalalitsidwa kawiri); Wowumbidwa polymerization kuwonekera kwa mawonekedwe akuthupi amagawidwa mu matope mu matope monga zinthu zolimbikitsa, potero ndikuwonjezera chimondowo cha matope.

2. Ndi ntchito ziti zomwe zimapangidwa posachedwa matope onyowa?

Yankho: Sinthani zomanga; Sinthani madzimadzi; kuchuluka kwa thixotropy ndi kukana kwa Aleg; Patsani Chibasion; nthawi yayitali yotseguka; kupitiriza kusunga madzi;

3. Kodi ntchito za kusinthidwa ndi matope ophatikizidwa atachiritsidwa?

Yankho: Kuchulukitsa mphamvu zowoneka; kupititsa patsogolo kugontha; Chepetsani sulufus; Kuchulukitsa kusakhazikika; kuchuluka kwa chuma; Kuchulukitsa kubzala; kuchuluka kwa mphamvu; Ili ndi hydrophhobicity ya hydrophobicity (kuwonjezera pa mphira wa hydrophobic).

4. Kodi ntchito za kusinthidwa ndi ufa wa latx mu zinthu zosiyanasiyana zoyera za ufa?

01. Tile amamamatira

① Zokhudza matope atsopano
A. Kutalikira nthawi yogwira ntchito ndikusintha nthawi;
B. Sinthani magwiridwe antchito osungira madzi kuonetsetsa kuti madzi awoni a simenti;
C. Sinthanitsani kukana kwa sathag (ufa wapadera wa mphira)
D. Sinthani mphamvu (zosavuta kupanga gawo lapansi, losavuta kukhazikitsa matayala azotsatira).

② Zovuta pamatope olimba
A. Ili ndi kutsatira bwino magawo osiyanasiyana, kuphatikiza konkriti, pulasitala, matanda, matailosi akale, pvc;
B. Panthawi yanyengo, ili ndi kusinthasintha kwabwino.

02. Khoma lakunja lakumanja

① Zokhudza matope atsopano
A. Tchulani maola ogwira ntchito;
B. Sinthani magwiridwe antchito osungira madzi kuonetsetsa kuti simenti ya simenti;
C. Sinthani kugwirira ntchito.

② Zovuta pamatope olimba
A. Ili ndi chotsatsa cha polystyrene bolodi ndi gawo lina;
B. bwino kusinthasintha kosinthasintha;
C. Volor yabwino kwambiri yamadzi;
D. Madzi abwino mosangalala;
E. Kukana nyengo yabwino.

03. Kudzilimbitsa

① Zokhudza matope atsopano
A. Kuthandizira kukonza kusintha;
B. Sinthani ziphunzitso ndikuchepetsa kuchepetsedwa;
C. Chepetsani mapangidwe a bubble;
D. Sinthani bwino kusalala;
E. Pewani kusokonekera.

② Zovuta pamatope olimba
A. Sinthani chopewa chodziletsa;
B. Sinthani chobisalira mphamvu yodzikongoletsa;
C. Chomwe chikuyenda bwino kuvala kudziletsa;
D. Kuchulukitsa mphamvu yakudzikonda.

04. Purty

① Zokhudza matope atsopano
A. Sinthani zogwirizana;
B. Onjezani kusungidwa kwamadzi kuti musinthe hydration;
C. Kuchulukitsa kugwirira ntchito;
D. Pewani kusokoneza.

② Zovuta pamatope olimba
A. Kuchepetsa matope modulu ya matope ndikuwonjezera zofananira za maziko osanjikiza;
B. Kuchulukitsa kusinthasintha ndikupewa kusweka;
C. Sinthani nyengo yaufano kukana;
D. Hydrophobic kapena kuchepetsa kuyamwa;
E. Wonjezerani zomatira mpaka maziko osanjikiza.

05. Matope a Waterproof

① Zokhudza matope atsopano:
A. Sinthani zogwirizana
B. Kuchulukitsa madzi ndikusintha ma simenti;
C. Kuchulukitsa kugwirira ntchito;

② Zovuta pa matope owuma:
A. Kuchepetsa matope a matope ndikuwonjezera zofananira za maziko osanjikiza;
B. Kuchulukitsa kusinthasintha, kukana kusweka kapena kungatheke.
C. Sinthani matope a matope;
D. Hydrophobic;
E. Onjezani mphamvu yolumikizana.