ASVAB Armed Services Vocational Aptitude Battery (#50)

Section: Mechanical Comprehension

The mechanical advantage of two meshing gears is calculated by dividing

the number of teeth on the driving gear by the number of teeth on the driven gear.
the number of teeth on the driven gear by the number of teeth on the driving gear.
the number of teeth on the driving gear by the rotational speed.
the diameter of the driven gear by the number of teeth on the driving gear.