When the pulley or other mating piece is required to slide along the shaft, a __________ sunk key is used.

When the pulley or other mating piece is required to slide along the

1.	When the pulley or other mating piece is required to slide along the shaft, a __________ sunk key is used.
A.	Rectangular
B.	Square
C.	Parallel
D.	None of these
Answer» D. None of these

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When the pulley or other mating piece is required to slide along the shaft, a __________ sunk key is used.

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