Technician A says that gears may be used to apply torque to other rotating parts. Technician B says that gears may be used to multiply torque. Who is right?
A)A only
B)B only
C)Both A and B
D)Neither A nor B

Question

Quizplus · Accepted Answer

Both technicians are correct. Gears can be used to apply torque to other rotating parts and also to multiply torque. In a gear train, the gear ratio between the input gear and the output gear determines the torque multiplication or reduction. So, both Technician A and Technician B are correct.

Technician a Says That Gears May Be Used to Apply