Technician A says gear ratio expresses the size difference of two gears by stating the ratio of the driven gear to the drive gear. Technician B says the mathematical relationship, according to the number of teeth, of one gear to another is expressed in gear ratios. Who is correct?
A)A only
B)B only
C)Both A and B
D)Neither A nor B

Question

Quizplus · Accepted Answer

Both technicians are correct in their statements regarding gear ratios. Gear ratio is indeed the ratio of the driven gear size to the drive gear size, and it is expressed mathematically in terms of the number of teeth on each gear. Therefore, option C is the correct answer.

Technician a Says Gear Ratio Expresses the Size Difference of Two