Question

Dull blades of an electric knife should be sharpened with
a. a pattern file.
b. an oilstone.
c. a flat file.
d. a bench grinder.

Answer 1

B. An oilstone - its rectangular shape  will help you easily because the angels will help you sharpen the knife by the way you want it. If you stroke it to a smaller angel the sharper the edge will be.

Answer 2

Answer: B

An Oilstone

Explanation:

Also called sharpening stone or whetstone is a stone that is lubricated with oil used for sharpening knives and other cutting tools. Oilstones come in a variety range of shapes, sizes, and material compositions. They could be made from natural materials or man made materials.