Test savollari 1-variant ostki va ustki yoqaga qanday chok bilan tikiladi?

8.Cho’ntak tilchasi necha mm gacha bo’lishi mumkin?

A) 10-15 mm B) 15-20 mm C) 17-20 mm D) 20-25 mm

9.Qirqma cho’ntak mag’zi necha mm gacha bo’lishi mumkin?

A) 13-15 mm; B) 20-22 mm C) 17-19 mm D) 10-15 mm

10.Shakldor ramkali qirqma cho’ntakni ko’rsating?

A)

C)

B

D)

11. 
    Kashta tikishda kergi qanday vazifani bajaradi?
    

A) gazlamani tarang tortib turish va deformatsiyalanishdan saqlash;

B) gazlamani tarang tortib turish va guli chiroyli chiqish;

C) guli chiroyli chiqishi uchun yoki deformatsiyalanishdan saqlash;

D) hamma javoblar to’g’ri;

12.