1. A single point thread cutting tool should ideally have
a) Zero rake angle
b) Positive rake angle
c) Negative rake angle
d) Point angle
2. The tool life is affected by
a) Depth of cut
b) Cutting speed
c) Feed
d) All of these
3. The surface of the single point cutting tool on which the chips formed in cutting operation slide Is called as
a) flank
b) heel
c) face
d) shank
4. The point at which the cutting tool reaches, beyond which it will not function satisfactorily until It Is reground, is called as
a) tool wear
b) tool failure
c) too diffusion
d) none of the above
5. Which cutting condition affects the cutting temperature predominantly?
a) depth of cut
b) cutting speed
c) feed
d) none of the above has any effect on cutting temperature
6. In metal cutting operation, maximum heat (i.e. 80-85%) is generated in
a) the shear zone
b) the chip-tool interface zone
c) the tool-work interface zone
d) none of the above
7. A cutting tool is
a) single point
b) multi point
c) both (A) and (B)
d) pointless
8. In which of the following single point cutting tool is used
a) milling
b) lathe
c) drilling
d) broaching
9. Following Is (are) types of single point cutting tool(s)
a) solid type
b) tipped type
c) indexable insert type
d) all of the above
10. It is the angle between the face of the tool and a line parallel with base of the tool measured in a perpendicular plane through the side cutting edge.
a) Back rake angle
b) Side rake angle
c) End relief angle
d) Side relief angle
11. It is the angle that allows the tool to cut without rubbing on the work- piece.
a) Back rake angle
b) Side rake angle
c) End relief angle
d) Side relief angle
12. Which type of chips form while machining of brittle materials?
a) continuous chips
b) discontinuous chips
c) Built-up chips
d) all of the above with some proportion
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mehcanical-eng-quiz