Technician A says that removing 0.015" of material from the cylinder wall will result in a bore that is 0.030" larger. Technician B says that a 0.030" oversized cylinder has a wall thickness that is 0.015" thinner than stock. Who is right?
A)Technician A only
B)Technician B only
C)Both A and B
D)Neither A nor B

Question

Quizplus · Accepted Answer

Technician A is correct because removing 0.015" of material from each side of the cylinder wall results in a bore that is 0.030" larger in diameter. This is because the diameter is measured across the center of the cylinder, so removing material from both sides increases the diameter by twice the amount removed. 
Technician B is also correct because when a cylinder is bored oversize, the wall thickness is reduced by half the amount oversize. Therefore, a cylinder bored 0.030" oversize will have a wall thickness that is 0.015" thinner than a stock cylinder.

Technician a Says That Removing 0