1
GATE ME 2016 Set 1
Numerical
+1
-0
In an orthogonal cutting process the tool used has rake angle of zero degree. The measured cutting force and thrust force are $$500$$ $$N$$ and $$250$$ $$N,$$ respectively. The coefficient of friction between the tool and the chip is ________________
Your input ____
2
GATE ME 2015 Set 1
Numerical
+1
-0
Under certain cutting conditions, doubling the cutting speed reduces the tool life to $${\left( {{1 \over {16}}} \right)^{th}}$$ of the original. Taylor’s tool life index $$(n)$$ for this tool workpiece combination will be ______________
Your input ____
3
GATE ME 2014 Set 4
MCQ (Single Correct Answer)
+1
-0.3
Better surface finish is obtained with a large rake angle because
A
the area of shear plane decreases resulting in the decrease in shear force and cutting force
B
the tool becomes thinner and the cutting force is reduced
C
less heat is accumulated in the cutting zone
D
the friction between the chip and the tool is less
4
GATE ME 2014 Set 3
Numerical
+1
-0
A straight turning operation is carried out using a single point cutting tool on an $$AISI$$ $$1020$$ steel rod. The feed is $$0.2$$ $$mm/rev$$ and the depth of cut is $$0.5$$ $$mm.$$ The tool has a side cutting edge angle of $${60^ \circ }.$$ The uncut chip thickness (in $$mm$$) is _______________
Your input ____
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