A pair of spur gears consists of a 20 teeth pinion meshing with a 120 – McqOptions

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1.	A pair of spur gears consists of a 20 teeth pinion meshing with a 120 teeth gear. The module is 4 mm. Calculate the centre distance (in mm).
A.	240
B.	280
C.	360
D.	480
Answer» C. 360

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