Nazorat shakli: Yozma ish
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- Bu səhifədəki naviqasiya:
- 5-NAZORAT ISHI Nazorat shakli: Yozma ish 1
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4-NAZORAT ISHI
Nazorat shakli: Yozma ish 1. Issiqlik mashinasi sikl davomida isitkichdan 100 J issiqlik oldi va sovitkichga 60 J issiqlik berdi. Mashinaning FIK ni toping. __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 2. Foydali ish koeffitsienti 40% bolgan issiqlik mashinasi bir siklda 100 kJ ish bajargan bo'lsa, u isitkichdan necha kilojoul issiqlik miqdori olgan? __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 3. Ideal issiqlik mashina isitkichining harorati 117°C, sovitkichiniki 27°C. Mashinaning FIK ni toping (%). __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 5-NAZORAT ISHI Nazorat shakli: Yozma ish 1 0.73 mm diametrli kapillar nayda suv qanday (sm) balandlikka ko’tariladi? Suvning sirt taranglik koeffitsienti σ=73 mN/m ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ __________________________________________________________ 2 Ko’ndalang kesimi 2 sm2 bo’lgan po’lat tayoqchaga og’irligi 3∙104 N bo’lgan yuk osilgan. Tayoqchaning mexanik kuchlanishini toping. ______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 3 Suv sirtida turgan 5 sm li gugurt cho’pini harakatga keltirish uchun unga gorizontal yo’nalishda eng kamida qaday kuch bilan ta’sir qilish kerak? ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ __________________________________________________________ Yüklə 61,5 Kb. Dostları ilə paylaş:
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