1
GATE ME 2014 Set 3
MCQ (Single Correct Answer)
+1
-0.3
Cutting tool is much harder than the work piece. Yet the tool wears out during the tool-work interaction, because
A
Extra hardness is imparted to the work piece due to coolant used
B
Oxide layers on the work piece surface impart extra hardness to it
C
Extra hardness is imparted to the work piece due to severe rate of strain
D
Vibration is induced in the machine tool
2
GATE ME 2009
MCQ (Single Correct Answer)
+1
-0.3
Friction at the tool - chip interface can be reduced by
A
Decreasing the rake angle
B
Increasing the depth of cut
C
Decreasing the cutting speed
D
Increasing the cutting speed
3
GATE ME 2009
MCQ (Single Correct Answer)
+1
-0.3
The minimum shear strain in orthogonal turning with a cutting tool of zero rake angle is
A
$$0.00$$
B
$$0.5$$
C
$$1.0$$
D
$$2.0$$
4
GATE ME 2003
MCQ (Single Correct Answer)
+1
-0.3
Formation on build-up edge during machining can be avoided by using
A
tool with low positive rake angle
B
high feed rate
C
high cutting speed
D
large depth of cut
GATE ME Subjects
Turbo Machinery
EXAM MAP