Machine Tools and Machining
Advance Machine Tools
Marks 1Marks 2
1
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
2
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
3
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
4
GATE PI 2005
MCQ (Single Correct Answer)
+1
-0.3
The effects of setting a boring tool above center height leads to a/an.
A
increase in the effective rake angle and a decrease in the effective clearance angle
B
increase in both effective rake angle and effective clearance angle
C
decrease in effective rake angle and an increase in the effective clearance angle
D
decrease in both effective rank angle and effective clearance angle
GATE PI Subjects
Fluid Mechanics
Metrology
Theory of Machines
Engineering Mathematics
Heat Transfer
Machine Tools and Machining
Industrial Engineering
Engineering Mechanics
Strength of Materials
Thermodynamics
Machine Design
Casting
Joining of Materials
Metal Forming