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Basic Questions-3
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In this lesson some more problems from gear classification are discussed.

Gaurav Joshi
Mechanical Engineer. Secured AIR 5 in ESE & AIR 47 in GATE. Also cleared BARC,ONGC,ISRO. Worked for BARC, HITACHI.Guitar player & Vocalist

Unacademy user
why is para product minor and ortho product major?
Last question ka all of the above nahi hoga sir kyuki spiral gears ke upar jo teeth hai unka orientation ke wajah se nato parallel shafts dekar kaam chal sakta hai aur nahi intersecting, isliye C hona chahiye answer
Spiral gears are used only if the axes of two shafts are non-intersecting, non-parallel and non perpendicular 
all of the aBove will be correct in that case
Sir, I think c will the right answer.
All of the above is correct.
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