Answer
Inzoka nugutsindwa gukomeye aho amasoko menshi-yimuka yimuka mu buryo butagaragara kugirango ahuze munsi yumutwaro wa axial. Ibi bibaho mugihe uburebure bwubusa bivuze igipimo cya diameter ($ L_f / D_m $) kirenga $ 1.5 $. Kugira ngo wirinde inzoka, isoko igomba kuyoborwa na bore cyangwa igiti. Niba porogaramu itemerera umuderevu, isoko igomba kuba ifite igishushanyo mbonera cyo hasi ya $ L_f / D_m $ cyangwa igakoresha igishushanyo mbonera cyarimbere gihamye. Kubisabwa-bihindagurika cyane, ubuyobozi bwimbere cyangwa 'amaboko' akenshi byinjizwa mu nteko kugira ngo amasoko agabanuke kandi agumane imizigo imwe ikikije umuzenguruko.