1
GATE PI 2016
Numerical
+1
-0
A single point right handed turning tool is used for straight turning. The feed is $$0.25$$ $$mm/rev$$ and the uncut chip thickness is found to be $$0.25$$ $$mm.$$ The inclination angle of the main cutting edge is $${10^ \circ }.$$ The back rake angle (in degrees) is ________________
Your input ____
2
GATE PI 2015
MCQ (Single Correct Answer)
+1
-0.3
The angle of a twist drill that determines its rake angle is
A
Lip relief angle
B
Chisel edge angle
C
Helix angle
D
Point angle
3
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
4
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
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