MCQOPTIONS
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| 1. |
For helical gears, the angle between hob’s spindle axis and workpiece’s spindle axis must be _____ as the helix angle of the helical gear.$ |
| A. | increased by the same amount |
| B. | increased by the half amount |
| C. | decreased by the same amount |
| D. | decreased by the half amount |
| Answer» B. increased by the half amount | |