A key made from a cylindrical disc having segmental cross-section, is

1.	A key made from a cylindrical disc having segmental cross-section, is known as
A.	wood-ruff key
B.	feather key
C.	flat saddle key
D.	gib head key
Answer» B. feather key

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A key made from a cylindrical disc having segmental cross-section, is known as

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