A ____ should be applied if gear shafts are not parallel to one another.
bevel gear
stopping gear
shifting gear
third gear
Detailed Explanation
Of the answer choices, a bevel gear is the only one that can rectify troubles with parallel gears. Though this is an additional gear, it is not called a "third gear", a "stopping gear", nor a "shifting gear."
Take more free practice tests for other ASVAB topics with our ASVAB prep now!