Question

If the helix angle of the drill is made __________ 30°, then the torque required to drive the drill at a given feed will be more.

a.

equal to

b.

less than

c.

more than

d.

None of these

Answer: (b).less than

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Q. If the helix angle of the drill is made __________ 30°, then the torque required to drive the drill at a given feed will be more.

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