identify the type of drive roll shown: v - groove u - groove u - cogged v - knurled

identify the type of drive roll shown: v - groove u - groove u - cogged v - knurled
Answer
Brief Explanations:
By observing the shape of the groove on the drive - roll, we can identify its type. A V - groove has a V - shaped cross - section. A U - groove has a U - shaped cross - section. A U - cogged has teeth or cogs in a U - shaped configuration. A V - knurled has a textured V - shaped pattern. Based on the visual appearance of the given drive roll, we can make a determination.
Answer:
V - groove