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Mechanical Engineering - Production Engineering

Exercise : Production Engineering - Section 8
51.
The effect of setting a boring tool above centre height leads to
increase in the effective rake angle and a decrease in the effective clearance angle
increase in both effective rake angle and effective clearance angle
decrease in the effective rake angle and an increase in the effective clearance angle
decrease in both effective rake angle and effective clearance angle
Answer: Option
Explanation:
No answer description is available. Let's discuss.
52.
Which of the following statement is correct about nose radius?
It improves tool life
It improves the surface finish
both (a) and (b)
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
53.
The cutting speed for drilling __________ with high speed steel drills is 24 to 45 m/min.
mild steel
copper
aluminium
brass
Answer: Option
Explanation:
No answer description is available. Let's discuss.
54.
In a centre lathe, the cutting tool is fed in __________ with reference to the lathe axis.
cross direction only
longitudinal direction only
both cross and longitudinal direction
any direction
Answer: Option
Explanation:
No answer description is available. Let's discuss.
55.
The angle between the face of the tool and a line tangent to the machined surface at the cutting point is called cutting angle.
Correct
Incorrect
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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