275
№38 Fan bobi-1; Fan bo‘limi-1; Qiyinlik darajasi-1;
Gidravlik oxakning siqilishga mustaxkamligini aniqlang?
1.7 MPA dan 5 Mpa gacha
10-20 Mpa gacha
20-30 Mpa gacha
1-4 Mpa gacha
№39 Fan bobi-3; Fan bo‘limi-1; Qiyinlik darajasi-1;
Putssolan portlandsementdan portlandsementni farqini aniqlang?
Putssolanpordlandsement tarkibiga 21-40 % gacha vulkanik, chukindi togjinslar, gliej va kullar
q0’shiladi
Putssolanpordlandsement tarkibiga shlaklar qo’shiladi
Putssolanpordlandsement tarkibiga tanlanib pishiriladi
Putssolanpordlandsement shlaksement variantida pishiriladi
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