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GATE 2023 II Metal Cutting II Quiz 60

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Question 1

The following type of chip is produced when machining ductile materials ___.

Question 2

In machining operation chip thickness ratio is 0.3. Back rake angle of tool is $Description: Description: E:\Gate\SSC JE Mechanical Part 1\Practice-Set-1_files\image119.png$ . What is the value of shear strain __________?

Question 3

In metal cutting operation, cutting force will reduce if

Question 4

Which of the following is the required condition for the formation of the Built-up edge ?

Question 5

Calculate the velocity of chip on the tool face, if cutting speed is 35 mm/min, shear angle is 45° & cutting rake angle is 15° _________.

Question 6

The chip thickness ratio ‘r ’ is given by ________.

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ESE & GATE ME Manufacturing & Engg materials

Nov 4ESE & GATE ME