Which of the following cannot be measured using a straightedge and a feeler gauge?

Question

Quizplus · Accepted Answer

A straightedge and feeler gauge can measure the flatness and straightness of surfaces like main bearing bores, block decks, and cylinder heads by detecting gaps between the tool and the surface. However, they cannot measure the straightness of the interior of a cylinder bore due to its enclosed, cylindrical shape, which requires specialized tools like a dial bore gauge.

Which of the Following Cannot Be Measured Using a Straightedge