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Mechanical Engineering - Production Engineering

Exercise : Production Engineering - Section 1
41.
The machining of titanium is difficult due to
high thermal conductivity of titanium
chemical reaction between tool and work
low tool-chip contact area
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
In orthogonal cutting system, the maximum chip thickness occurs at the middle.
Correct
Incorrect
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
Lapping is an operation of
making a cone-shaped enlargement of the end of a hole
smoothing and squaring the surface around a hole
sizing and finishing a small diameter hole
producing a hole by removing metal along the circumference of a hollow cutting tool
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
The different spindle speeds on a lathe form
arithmetical progression
geometrical progression
harmonical progression
any one of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
If the helix angle of the drill is made __________ 30°, then the torque required to drive the drill at a given feed will be more.
equal to
less than
more than
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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