1. Yimiphi imisebenzi yempuphu ye-latex ephinde ihlakazeke ku-mortar?
Impendulo: Impuphu ye-latex ephinde ihlakazeke ibunjwa ngemva kokuhlakazeka futhi isebenza njengesinamathiseli sesibili ukuze kuthuthukiswe isibopho; i-colloid evikelayo imuncwa uhlelo lwe-mortar (ngeke kuthiwe iyabhujiswa ngemva kokubunjwa. Noma ihlakazwe kabili); i-polymerization ebunjiwe I-resin ebonakalayo isatshalaliswa kulo lonke uhlelo lwe-mortar njengento yokuqinisa, ngaleyo ndlela yandisa ukuhlangana kwe-mortar.
2. Yimiphi imisebenzi yempuphu ye-latex ephinde ihlakazeke ku-mortar emanzi?
Impendulo: Thuthukisa ukusebenza kokwakhiwa; thuthukisa ukugeleza kwamanzi; khulisa ukumelana kwe-thixotropy kanye nokuwa; thuthukisa ukuhlangana; khulisa isikhathi sokuvula; thuthukisa ukugcinwa kwamanzi;
3. Yimiphi imisebenzi yempuphu ye-latex ephinde ihlakazeke ngemva kokuba uthuli selulungisiwe?
Impendulo: khulisa amandla okuthamba; thuthukisa amandla okugoba; nciphisa i-modulus enwebekayo; khulisa ukuguquguquka; khulisa ukuminyana kwezinto; khulisa ukumelana nokuguguleka; khulisa amandla okuhlangana; Inokwesaba okukhulu kokungabi namanzi (enezela impuphu yerabha engathandi amanzi).
4. Yimiphi imisebenzi yempuphu ye-latex ephinde ihlakazeke emikhiqizweni eyahlukene yempuphu eyomile?
01. Isinamathelisi Sethayela
① Umphumela ku-mortar entsha
A. Yandisa isikhathi sokusebenza kanye nesikhathi esilungisekayo;
B. Thuthukisa ukusebenza kokugcinwa kwamanzi ukuqinisekisa ukuthi usimende uyafafaza amanzi;
C. Thuthukisa ukumelana nokuwohloka (impuphu yerabha eguquliwe ekhethekile)
D. Thuthukisa ukusebenza kahle (kulula ukwakha phezu kwesisekelo, kulula ukucindezela ithayela ku-adhesive).
② Umphumela ku-mortar eqinile
A. Inamathela kahle ezintweni ezahlukahlukene, okuhlanganisa ukhonkolo, iplasta, ukhuni, amathayili amadala, i-PVC;
B. Ngaphansi kwezimo zezulu ezahlukahlukene, iyakwazi ukuzivumelanisa nezimo kahle.
02. Uhlelo lokuvikela udonga lwangaphandle
① Umphumela ku-mortar entsha
A. Ukwandisa amahora okusebenza;
B. Thuthukisa ukusebenza kokugcinwa kwamanzi ukuqinisekisa ukumuncwa kwesimende;
C. Thuthukisa ukusebenza kahle.
② Umphumela ku-mortar eqinile
A. Inamathela kahle ebhodini le-polystyrene nakwezinye izinto ezisetshenziswayo;
B. Ukuguquguquka okuhle kakhulu kanye nokumelana nomthelela;
C. Ukuvuleka okuhle kakhulu komphunga wamanzi;
D. Ukumelana kahle namanzi;
E. Ukumelana nesimo sezulu okuhle.
03. Ukuzilinganisa
① Umphumela ku-mortar entsha
A. Siza ekuthuthukiseni ukuhambahamba;
B. Thuthukisa ukuhlangana futhi unciphise ukuhlukaniswa;
C. Nciphisa ukwakheka kwama-bubble;
D. Thuthukisa ukushelela kobuso;
E. Gwema ukuqhekeka kusenesikhathi.
② Umphumela ku-mortar eqinile
A. Thuthukisa ukumelana kokuqhekeka kokuzilinganisa;
B. Thuthukisa amandla okugoba kokuzilinganisa;
C. Kuthuthukisa kakhulu ukumelana nokuguguleka kokuzilinganisa;
D. Khulisa kakhulu amandla esibopho sokuzilinganisa.
04. I-Putty
① Umphumela ku-mortar entsha
A. Thuthukisa ukwakheka;
B. Engeza ukugcinwa kwamanzi okwengeziwe ukuze uthuthukise ukumuncwa kwamanzi;
C. Ukwandisa ukusebenza kahle;
D. Gwema ukuqhekeka kusenesikhathi.
② Umphumela ku-mortar eqinile
A. Nciphisa i-modulus enwebekayo yodaka bese wandisa ukulingana kwesendlalelo sesisekelo;
B. Yandisa ukuguquguquka futhi umelane nokuqhekeka;
C. Thuthukisa ukumelana nokuphuma kwempuphu;
D. Ukungathandi amanzi noma ukunciphisa ukumuncwa kwawo;
E. Khulisa ukunamathela kwesendlalelo sesisekelo.
05. Udaka olungangeni manzi
① Umphumela ku-mortar entsha:
A. Thuthukisa ukwakheka
B. Ukwandisa ukugcinwa kwamanzi nokuthuthukisa ukumuncwa kwesimende;
C. Ukwandisa ukusebenza kahle;
② Umphumela ku-mortar eqinile:
A. Nciphisa i-modulus enwebekayo yodaka futhi uthuthukise ukuhambisana kwesendlalelo sesisekelo;
B. Khulisa ukuguquguquka, umelane nokuqhekeka noma ube nekhono lokuhlanganisa;
C. Thuthukisa ubuningi be-mortar;
D. Ukungathandi amanzi;
E. Khulisa amandla okubambisana.
Isikhathi sokuthunyelwe: Mashi-31-2023