The machine shop receives a contract for a 10-inch square crankcase with a 2-inch nominal size hole that must be drilled. According to the table and chart, what is the lowest standard tolerance, in thousandths of an inch, for this operation?

The main reason that you should secure loose objects in your car before you drive is that a. objects too close to the engine may be affected by the heat b. they are likely to get damaged moving around your car c. they may be thrown into a spot that disrupts your driving d. they will be more easily retrieved from a single storage location