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Manufacturing And Production Technology

Manufacturing And Production Technology
The angle formed by the leading edge of the land with a plane having the axis of the drill, is called

Helix or rake angle
Point angle
Chisel edge angle
Lip clearance angle

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Manufacturing And Production Technology
Chip breakers are used to

To minimize heat generation
Remove chips from bed
Increase tool life
Break the chips into short segments

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Manufacturing And Production Technology
The relief or clearance at the cutting edge of a flat drill varies from

60° to 90°
90° to 120°
3° to 8°
20° to 30°

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Manufacturing And Production Technology
Flank wear occurs mainly on the

Face of the cutting tool at a short distance from the cutting edge
Cutting edge only
Front face only
Nose part, front relief face and side relief face of the cutting tool

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Manufacturing And Production Technology
Which among the NC operations given below are continuous path operations?Arc Welding (AW), Drilling (D), Laser Cutting of Sheet Metal (LC), Milling (M), Punching in Sheet Metal (P), Spot Welding (SW)

AW, LC and M
D, LC, P and SW
AW, D, LC and M
D, LC, and SW

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Manufacturing And Production Technology
A twist drill is specified by its

Any one of these
Shank, material and diameter
Shank, lip angle and size of flute
Material, length of body and helix angle

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