1. . Normally, lathe tools are made from.
(A) mild steel
(B) tool steel
(C) high speed steel
(D) cemented carbide
2. . This angle reduces friction between tool and workpiece.
(A) wedge angle
(B) rack angle
(C) clearance angle
(D) none of above
3. . This angle clears the cutting edge from chips.
(A) nose angle
(B) wedge angle
(C) clearance angle
(D) rack angle
4. . In single point cutting tool, lower flat surface of primary cutting edge is called.
(A) cutting point
(B) face
(C) flank
(D) nose
5. . Angle that clears the job surface other than cutting point and cutting edge, is known as.
(A) wedge angle
(B) rack angle
(C) clearance angle
(D) none of above
6. . Chips of material move on this part of cutting tool.
(A) shank
(B) flank
(C) face
(D) nose
7. . This part of cutting tool is used to hold/clamp it.
(A) shank
(B) flank
(C) face
(D) nose
8. . It is used to sharpen single point cutting tool.
(A) lathe tool holder
(B) drill chuck
(C) shaper tool holder
(D) tool grinder
9. . Back rake angle is kept
(A) 10°–15°
(B) 5°–10°
(C) 20°–25°
(D) 0°–16.5°
10. . Normally, angle of side cutting edge is.
(A) 12°–15°
(B) 8°–10°
(C) 20°–25°
(D) 10°–12°
11. . This part of cutting is in contact with the workpiece.
(A) shank
(B) point
(C) primary cutting edge
(D) secondary cutting edge
12. . Large angle produces continuous chips.
(A) relief
(B) rake
(C) clearance
(D) nose radius
13. . When chips get welded to the cutting tip, this false cutting edge is regarded as.
(A) built-up-edge
(B) dull tip
(C) hard edge
(D) brazed edge
14. . Which angle prevents the tool cutting edge from breaking?
(A) relief angle
(B) rake angle
(C) clearance angle
(D) wedge angle
15. . The nose radius range is
(A) 0.2–0.8 mm
(B) 0.2–0.4 mm
(C) 0.6–1 mm
(D) 0.2–1.5 mm