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Manufacturing Engineering Practice Test: Metal Cutting - Mechanics of Cutting
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The basic mechanism involved in metal cutting is a localized shear deformation on the work material immediately ahead of the cutting edge of the tool. Cutting processes work by causing fracture of the material that is processed. Usually, the portion that is fractured away is in small sized pieces, called chips.

Common cutting processes include sawing, shaping (or planing), broaching, drilling, grinding, turning and milling.

Manufacturing Engineering Practice Test: Metal Cutting - Mechanics of Cutting
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25 Questions

1. Discontinuous chips are formed during machining of
2. Which of the following is the correct relation for chip thickness ratio ‘r’?
Given that: φ=shear angle
α=rake angle
3. Feed force of 210Kg and cutting force of 310Kg are applied using a tool of rake angle 10 degrees. If chip thickness ratio is 0.36, what will be the value of the shear angle in degrees?
4. Continuous chips with built up edge are formed during machining of
5. In oblique cutting of the metals, the cutting edge of the tool is
6. Which of the following is correct equation for shear force FS=? φ is the shear angle?
7. Horizontal force exerted by tool on work piece is known as
8. Force exerted by work piece on chip in normal direction of shear plane is known as
9. Feed force of 210Kg and cutting force of 310Kg are applied using a tool of rake angle 10 degrees. If chip thickness ratio is 0.36, what will be the value of a coefficient of friction?
10. The ductile materials, during machining, produces
11. The continuous chips are in the form of long coils having the same thickness throughout.
12. Feed force of 210Kg and cutting force of 310Kg are applied using a tool of rake angle 10 degrees. If chip thickness ratio is 0.36, what will be the value of normal force in Kg?
13. In oblique cutting system, the maximum chip thickness
14. Force exerted by tool on chip normal to tool face is known as
15. Chip flow velocity during machining process is 0.2m/s with chip thickness ratio of 0.6. What is the value of cutting velocity?
16. Shear velocity during machining process is 0.2m/s with chip thickness ratio of 0.6. Shear angle is 30 degree and rake angle is 15 degree. What is the value of cutting velocity?
17. A built-up-edge is formed while machining __________
18. Chip flow velocity during machining process is 1.2m/s with chip thickness ratio of 0.6. What is the value of cutting velocity?
19. Which of the following will have a maximum amount of chips during machining?
20. Metal resistance to shear during chip formation is known as
21. If t1 denotes the uncut chip thickness and t2 denotes cut chip thickness ratio then, which of the following equation is correct about chip thickness ratio ‘r’?
22. Shear velocity during the machining process is 1.2m/s with chip thickness ratio of 0.6. Shear angle is 30 degree and rake angle is 15 degree. What is the value of cutting velocity?
23. Feed force of 210Kg and cutting force of 310Kg are applied using a tool of rake angle 10 degrees. If chip thickness ratio is 0.36, what will be the value of friction angle?
24. The high cutting speed and large rake angle of the tool will result in the formation of
25. The factor responsible for the formation of discontinuous chips is

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