Answer / anjaney k. kulkarni

1. single curve so easy to manufacture...less cost of
manufacturing.
2.any variation in centre distance cab be accomodated.
3.pressure angle remains constant.

Answer / swapnali jambhawadekar

since it obeys the law of gear that is the common normal
drawn at point of contact must pass through the pitch point.

also it is very easy to manufacture because of simplicity

Answer / shubankar sen

for getting the proper allingment of tooth of gear without
breaking.

Answer / amit bardhan dobriyal

in my point of view it is just given for proper allignment
and gears mess properly without any wear of gears;

Answer / prashant.koppal

1) it's smooth to dive the gear.
2) in gears contact is only point, this type is curve take the more load than normal one

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