Official Answer
Answer
Lokacin da aka matsa magudanar ruwa, tãguwar ruwa suna tanƙwara, suna haifar da ɗan ƙara haɓaka a diamita na waje ($ OD$). Ana iya ƙididdige haɓakar da dabarar $\Delta OD = 0.02 \cdot \ frac{f \cdot (OD + ID)}{N^2}$, inda $f$ shine jujjuyawar kuma $N$ shine adadin raƙuman ruwa. Don maɓuɓɓugan ruwa masu aiki a cikin rami, wannan haɓaka yana da mahimmanci; idan izinin da ke tsakanin $OD$ da ƙumburi bai isa ba, bazarar za ta ɗaure, yana haifar da karuwa ba zato ba tsammani a cikin lokacin bazara da yuwuwar gazawar gajiya. Injiniyoyin ya kamata su ƙayyade diamita mai ƙyalƙyali wanda ke lissafin duka jurewar masana'anta da wannan haɓaka aikin.
