1
GATE PI 2009
MCQ (Single Correct Answer)
+1
-0.3
Diamond cutting tools are not recommended for machining of ferrous metals due to
A
High tool hardness
B
High thermal conductivity of the work material
C
Poor tool roughness
D
Chemical affinity of tool material with iron
2
GATE PI 2008
MCQ (Single Correct Answer)
+1
-0.3
Diamond cutting tools are not recommended for machining of ferrous metals to
A
High tool hardness
B
High thermal conductivity of work material
C
Poor tool toughness
D
Chemical affinity of tool material with iron
3
GATE PI 2006
MCQ (Single Correct Answer)
+1
-0.3
The cutting tool material normally used for turning steel of very high hardness is
A
$$HSS$$
B
tungsten carbide
C
$$CBN$$
D
diamond
4
GATE PI 2005
MCQ (Single Correct Answer)
+1
-0.3
If each abrasive grain is viewed as a cutting tool, then which of the following represents the cutting parameters in common grinding operations?
A
Large negative rake angle, low shear angle and high cutting speed
B
Large positive rake angle, low shear angle and high cutting speed
C
Large negative rake angle, high shear angle and low cutting speed
D
Zero negative rake angle, high shear angle and high cutting speed
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
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CBSE
Class 12