1
GATE PI 2015
MCQ (Single Correct Answer)
+1
-0.3
During turning of mild steel work material, the maximum temperature is observed at
A
Primary deformation zone
B
Tool and chip interface
C
Tool-flank and work interface
D
Machined sub-surface
2
GATE PI 2015
MCQ (Single Correct Answer)
+1
-0.3
Built-up edge formation decreases under the conditions listed below EXCEPT
A
at low cutting speeds
B
using large positive rake angle
C
with shaper tool
D
using cutting fluid
3
GATE PI 2015
Numerical
+2
-0
In an orthogonal machining experiment carried out using a cutting tool with zero degree rake angle, the measured cutting force was $$1700$$ $$N.$$ If the friction angle at the rake face-chip interface is $${26^ \circ },$$ then the thrust force value, in $$N$$ is ___________________
Your input ____
4
GATE PI 2015
MCQ (Single Correct Answer)
+1
-0.3
Which one of the following statements related to grinding process is INCORRECT?
A
Grinding wheels made of finer abrasive grains produce better surface finish.
B
Abrasive grains tend to fracture frequently during the grinding process.
C
Specific energy in grinding is higher than that in turning.
D
Cutting speed in grinding process is much lower than that in face milling
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