Variant №1 Mexanizmni klassi qanday aniqlanadi?


Evolventaning nechta xossasi mavjud?


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TEST

9. Evolventaning nechta xossasi mavjud?
a) 4
b) 3
c) *2
d) 5
10. Evolventaning necha xil xususiyati bor?
a)* 3
b) 4
с) 5
d) 2
11. Mexanizmni klassi qanday aniqlanadi
a)* Assur guruhining yuqori sinifi bo‘yicha
b) Assur guruhining soni bilan
с) Zvenolar soni bilan
d) Chamalab
12. Assur bo‘yicha qanday mexanizmlar I-klass mexanizmi deyiladi
a) yetaklanuvchi zveno
b) * yetakchi zveno
с) koramislo
d) shatun
13. To`rt zvenoli tekis mexanizmda qo‘zg‘aluvchan zvenolar soni nechta bo‘ladi?
a) n-1
b) * n-3
с) n-2
d) n-4
14. Kinematik juftlar nechta sinfga bo‘linadi?
a) 1
b) * 5
с) 2
d) 3
15. Chebishev formulasida nimani bildiradi
a) 2-klass kinematik juft
b) quyi kinematik juftni
с) 3-klass kinematik juft
d) *oliy kinematik juftni
16. Assur guruhining matematik formulasi, bu:
a) W=3n – 2P5 –P4 =0
b) W=3n – 2P5 –P4
с) W=6n -5P5 –4P4 – 3P3 – 2P2 –P1
d) * W=3n – 2P5 =0
17. Krivoship-shatunli mexanizmida krivoshipning uzunligi porshen yo‘lining:
a) o‘ziga teng l=N
b) uchdan biriga teng l=N\3
с) * yarimiga teng l=N/2
d) l=N\4
18. Koromislo qanday harakat qiladi?
a) murakkab
b) ilgarilanma
с) aylanma
d) * tebranma
19. - qanday tezlanish
a) nomal tezlanish
b) * urunma tezlanish
с) tezlanishlar yig‘indisi
d) chiziqli tezlik
20. - qanday tezlanish
a) chiziqli tezlik
b) urunma tezlanish
с) tezlanishlar yig‘indisi
d) *normal tezlanish
Variant № 22.



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