The workpiece is supported throughout its entire length as grinding takes place.
It is a continuous process and adopted for production work.
It requires no holding device for the work.
All of the above
D. All of the above
Cutting edge of the tool is sharp and it does not make any flank contact with the workpiece
Only continuous chip without built-up-edge is produced
Cutting velocity remains constant
All of the above
Of maximum diameter 15 mm
In 15 mm thick plates
Having cross-sectional area of 15 mm²
None of these
The chip thickness increase gradually
It enables the cutter to dig in and start the cut
The specific power consumption is reduced
Better surface finish can be obtained
Soft grade
Medium grade
Hard grade
None of these
0.1 mm
0.4 mm
0.35
0.75 mm
Helix or rake angle
Point angle
Chisel edge angle
Lip clearance angle
Outside diameter but not roundness
Roundness but not outside diameter
Both outside diameter and roundness
Only external threads
Strength of the metal decreases but ductility increases
Both strength and ductility of the metal decreases
Both strength and ductility of the metal increases
Strength of the metal increases but ductility decreases
May clear the width of the workpiece
May or may not clear the width of the workpiece
May not clear the width of the workpiece
Should always clear the width of the workpiece
1 to 3 m/min
5 to 10 m/min
10 to 14 m/min
14 to 20 m/min
Equal to 30°
Less than 30°
More than 30°
None of these
Weldment
Weld tab
Weldability
Tack weld
Incomplete penetration
Shrinkage void
Slag Entrapment (Inclusions)
Incomplete fusion
Shearing
Extrusion
Shearing and extrusion
Shearing and compression
Half
Two times
Eight times
Sixteen times
Hardness of abrasive grains
Ability of the bond to retain abrasives
Hardness of the bond
Ability of the grinding wheel to penetrate the work piece
1 in 10
1 in 15
1 in 20
1 in 30
Aluminium oxide
Boron carbide
Silicon carbide
Any one of these
Carbon tool steels
Tungsten carbide tools
High speed steel tools
Ceramic tools
Shear angle
Chip-tool contact length
Both (A) and (B)
None of these
Free from corrosion
Stronger in tension
Free from stresses
Leak-proof
Shear velocity
Chip velocity
Cutting velocity
Mean velocity
7
8
9
10
High speed steel
Carbon steel
Stainless steel
Either (A) or (B)
Electrochemical machining
Electro-discharge machining
Ultrasonic machining
None of these
Tapered surface
Flat surface
Internal cylindrical holes
All of these
Melting and Evaporation
Melting and Corrosion
Erosion and Cavitations
Cavitations and Evaporation
Depth of cut
Cutting speed
Feed
All of these
Zero rake angle
Positive rake angle
Negative rake angle
Point angle
Carbide, ceramic, cermet, borazon
Ceramic, carbide, borazon, cermet
Cermet, carbide, ceramic, borazon
Borazon, ceramic, carbide, cermet