№ 53 Fan bobi-1.Fan bo‘limi-2 Qiyinchilik darajasi-1
III - toifa nasos stansiyalarida ta’mirlash paytida ruxsat etiladigan suv bYerishda uzilish vaqti necha
soatga teng?
24 coat.
10 soat.
36 soat.
72 soat
№ 54 Fan bobi-1.Fan bo‘limi-2 Qiyinchilik darajasi-2
Nasos agregati fundamenti satxini aniqlash formulasi
.
.
∇
NF = N
s.b
-
∇
SXS.
№ 55 Fan bobi-1.Fan bo‘limi-2 Qiyinchilik darajasi-1
Nasosning quvvati 20 kVt gacha bo‘lsa quvvatining zaxira koeffitsienti nechaga teng?
1,25.
1,0.
1,5.
1,75.
№ 56 Fan bobi-1.Fan bo‘limi-2 Qiyinchilik darajasi-2
Nasosning quvvati 300 kVt gacha bo‘lsa quvvatining zaxira koeffitsienti nechaga teng?
1,1.
1,0.
1,2.
1,3.
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