Two crossed helical gears are used for speed reduction. Gear A has a p – McqOptions

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1.	Two crossed helical gears are used for speed reduction. Gear A has a pitch circle diameter in the plane of rotation 80 mm and a helix angle of 20°. Gear B has pitch circle diameter in the plane of rotation 120 mm and a helix angle of 22.5°. If the input speed is 1440 RPM, the output speed in RPM.
A.	1200
B.	875
C.	900
D.	700
Answer» D. 700

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