.
∇
NF = N
s.b
-
∇
SXS.
№ 151 Fan bobi-2.Fan bo‘limi-2 Qiyinchilik darajasi-1
Nasosning kuvvati 20 kVt gacha bulsa kuvvatining zaxira koeffitsienti nechaga teng?
1,25.
1,0.
1,5.
1,75.
№ 152 Fan bobi-2.Fan bo‘limi-2 Qiyinchilik darajasi-2
Nasosning kuvvati 300 kVt gacha bulsa kuvvatining zaxira koeffitsienti nechaga teng?
1,1.
1,0.
1,2.
1,3.
№ 153 Fan bobi-2.Fan bo‘limi-2 Qiyinchilik darajasi-1
Suruvchi Quvurning diametri 250 mm bulganda undagi ruxsat etilgan tezlik nechaga teng buladi?
0,7 – 1,0 m/s.
1,0 – 1,5 m/s.
1,2 – 1,3 m/s.
1,3 – 1,75 m/s.
№ 154 Fan bobi-2.Fan bo‘limi-2 Qiyinchilik darajasi-2
Suruvchi Quvurning diametri 800 mm bulganda undagi ruxsat etilgan tezlik nechaga teng buladi?
1,5 – 2 m/s.
0,7 – 1,0 m/s.
1,0 – 1,5 m/s.
1,5 – 1,75 m/s.
№ 155 Fan bobi-2.Fan bo‘limi-2 Qiyinchilik darajasi-1
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