1
GATE PI 1995
MCQ (Single Correct Answer)
+1
-0.3
When the depth of cut is increased, the specific cutting energy
A
Increases
B
Decreases
C
Remains same
D
Reaches an optimum value
2
GATE PI 1995
MCQ (Single Correct Answer)
+1
-0.3
In metal cutting $$BUE$$ formation results in
A
Improvement in surface finish
B
reduction in cutting force
C
Deterioration of surface finish
D
Improvement in tool life
3
GATE PI 1995
MCQ (Single Correct Answer)
+2
-0.6
A $$60deg$$ symmetrical $$V$$ tool is used in shaping a work piece with a depth of cut of $$0.1$$$$mm$$ and feed of $$0.1mm/stroke$$. The theoretical peak to valley height, in $$mm,$$ of the surface produced is
A
$$0.043$$
B
$$0.067$$
C
$$0.086$$
D
none
4
GATE PI 1995
MCQ (Single Correct Answer)
+5
-1.5
In an orthogonal machining experiment using a tool having $${6^ \circ }.$$ Rake angle, the following data were collected. Cutting speed $$0.5$$ $$m/sec,$$ width of cut $$3$$ $$mm,$$ depth of cut $$1mn,$$ chip thickness $$1.5mm.$$ Assuming that shearing takes place under minimum energy condition,

The coefficient of friction between the chip tool interfaces will be

A
$$0.235$$
B
$$0.339$$
C
$$0.467$$
D
none
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Medical
NEET
Graduate Aptitude Test in Engineering
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CBSE
Class 12