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Mechanical Engineering - Production Engineering

Exercise : Production Engineering - Section 1
36.
A left hand tool on a lathe cuts most efficiently when it travels
from left to right end of the lathe bed
from right to left end of the lathe bed
with the help of a compound slide
across the bed
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
The correct sequence of tool materials in increasing order of their ability to retain their hot hardness is
carbide, ceramic, cermet, borazon
ceramic, carbide, borazon, cermet
cermet, carbide, ceramic, borazon
borazon, ceramic, carbide, cermet
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
Which of the following statement is incorrect with reference of lathe cutting tools?
The flank of the tool is the surface or surfaces below and adjacent to the cutting edges
The nose is the corner, arc or chamfer joining the side cutting and the end cutting edges
The heel is that part of the tool which is shaped to produce the cutting edges and face
The base is that surface of the shank which bears against the support and takes tangent pressure of the cut
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
In the relation VTn = C, the value of n for carbide tools is
0.1 to 0.2
0.20 to 0.25
0.25 to 0.40
0.40 to 0.55
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
In up milling, the thickness of chip is
minimum at the beginning of the cut and maximum at the end of the cut
maximum at the beginning of the cut and minimum at the end of the cut
uniform throughout the cut
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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