For spur gear manufacturing, angle between the hob s spindle axis and – McqOptions

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1.	For spur gear manufacturing, angle between the hob s spindle axis and the workpiece s spindle axis should be equal to____
A.	(helix angle of the hob)/2
B.	2*(helix angle of the hob)
C.	(helix angle of the hob)
D.	(helix angle of the hob)2
Answer» D. (helix angle of the hob)2

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