7-sinflar uchun texnologiya fanidan test savollari ii-chorak
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7-sinflar uchun texnologiya fanidan test savollari ii-chorak 1. tikuv mashinasida nechta asosiy mexanizm bor? a) 2 ta b) 5 ta s) 6 ta d) 3 ta 2. tikuv mashinasida nechta yordamchi mexanizm bor? a) 4 ta b) 3 ta s) 2 ta d) 5 ta 3. tikuv mashinasida 50 raqamli ip uchun qaysi raqamli nina kerak bo’ladi? a) 90 b) 100 s) 75 d) 80 4. tikuv mashinasida ip kaltaroq o’rnatilgan bo’lsa....... a) ustki ip bo’sh bo’ladi b) ostki ip tarang bo’ladi s) baxya qator hosil bo’lmaydi d) ip uziladi 5. tikuv mashinasida gazlama nega yomon suriladi ? sababi........... a) surgich mexanizmidagi mahkamlovchi vint bo’sh qo’yilsa b) moki noto’g’ri qo’yilgan bo’lsa s) nina kurt bo’lsa d) ustki ip qattiq tortilsa …
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