Qurilish materiallari va buyumlari cdr

Kaysi mineral shishani chizadi?

1. 
   Olmos
   
2. 
   Talk
   

v) plastikshpat
g) Gips

30. Sopol buyumlar olishda ishlatiladigan tuproklardagi asosiy minerallarni ko‘rsating?

1. 
   kaolinit,montmorillonit
   
2. 
   vermikulit,slyuda
   

v) shamot,trepel
g) perlit,vermikulit

31. Oddi sopol g‘isht i kaysi usullarda ishlab chikariladi?

1. 
   Plastik va yarim quruq presslash
   
2. 
   Yarim kuruk presslash
   

v) Plastik koliplash
g) Quyma usulda

32. Gillarga qo‘shiladigan kuyadigan qo‘shimchalarni ko‘rsating?

1. 
   daraxt kipigi,ko‘mir kukuni,torf changi
   
2. 
   kum,shamot,toshkol
   

v) Flyuslar,dalashpati,temirrudasi
g) Kumlarni aralashmasi,tuyilganshlak

33. Oddiy sopol g‘isht iningGOSTbo‘yicha nominal o‘lchamlarini ko‘rsating?

a) 250x120x65
b) 250x120x103 v) 250x120x188 g) 250x90x138

34. Oddiy Qurilish g‘isht ni markalarini ko‘rsating?

a) 75,100,125,150,200,250,300
b) 25,35,75,100
v) 150,200,300,400,500
g) 200,250,300,400,450

35. G‘isht ni egilishga sinab ko‘rganda tayanchlar orasidagi masofa necha santimetrlarga teng bo‘lishi kerak?

1. 
   20
   
2. 
   15
   

v) 35
g) 30

36. Sitallar olish uchun ishlatiladigan xom ashyo?

1. 
   Kvars qumi, dala shpati, soda bo‘r, kristallovchi katalizator
   
2. 
   metallurgiya shlaklari katalizator
   

v) kvars qumi, dala shpati, soda, bo‘r, shlak
g) bazalt, diabaz, shlak

37.