1
GATE ME 1989
Subjective
+5
-0
The following data is available for machining a component on a turret or center lathe: find out the total number of components to be machined to justify the use of turret lathe GATE ME 1989 Production Engineering - Metal Cutting Question 33 English
2
GATE ME 1989
MCQ (Single Correct Answer)
+2
-0.6
In turning operation the feed rate could be doubled to increase the metal removal rate To keep the same level of surface finish, the nose radius of the tool has to be
A
Doubled
B
Halved
C
Multiplied by $$4$$ time
D
Kept unchanged.
3
GATE ME 1989
MCQ (Single Correct Answer)
+1
-0.3
The size of $$BLUE$$ in metal cutting increases with
A
very high speed
B
large uncut chip thickness
C
use of cutting fluid
D
increase in positive rake angle
4
GATE ME 1989
MCQ (Single Correct Answer)
+1
-0.3
Crater wear always starts at some distance from the tool tip because at that point
A
cutting fluid does not penetrate
B
chip tool interface temp is maximum
C
normal stress on rake face is maximum
D
tool strength is minimu8m
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