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GATE ME 2020 Set 1 — Question 55

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NAT+2 / -0MediumOrthogonal & Oblique CuttingMachining & Machine ToolsManufacturing Processes

Manufacturing Processes → Machining & Machine Tools → Orthogonal & Oblique Cutting

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Question

In a turning process using orthogonal tool geometry, a chip length of 100 mm100\text{ mm} is obtained for an uncut chip length of 250 mm250\text{ mm}.
The cutting conditions are: cutting speed =30 m/min= 30\text{ m/min}, rake angle =20∘= 20^\circ.
The shear plane angle is ______ degrees (round off to one decimal place).
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