High metal removal rate
Dry machining
Use of soft cutting tool
Surface finish
D. Surface finish
At its recrystallisation temperature
Above its recrystallisation temperature
Below its recrystallisation temperature
At two thirds of the melting temperature of the metal
Continuous chips
Discontinuous chips
Continuous chips with built up edge
Either (A) or (C)
Up milling
Down milling
Face milling
End milling
High speed steel
Carbon steel
Stainless steel
Either (A) or (B)
Against the rotating cutter
At angle of 60° to the cutter
In the direction of the cutter
At the right angle to the cutter
Zero helix angle is used
Low helix angle is used
High helix angle is used
Any helix angle can be used
Carbide tools
Heavy loads
Harder materials
All of these
Course grained
Fine grained
Medium grained
None of these
Coarse grained grinding wheel is used
Fine grained grinding wheel is used
Medium grained grinding wheel is used
Any one of these
Increases continuously
Decreases continuously
Decreases, becomes stable and then increases.
Increases, becomes stable and then decreases.
Electrochemical machining
Ultrasonic machining
Electro discharge machining
Laser machining
Between the upper and lower critical temperature and cooled in still air.
Above the upper critical temperature and cooled in furnace.
Above the upper critical temperature and cooled in still air.
Between the upper and lower critical temperature and cooled in furnace.
Tool is stationary and work reciprocates
Work is stationary and tool reciprocates
Tool moves over stationary work
Tool moves over reciprocating work
Tapered surface
Flat surface
Internal cylindrical holes
All of these
Thread cutting
Turning a work of larger diameter
Turning a hard or tough material
All of these
Ceramic
Stellite
Diamond
Cemented carbide
Up milling
Down milling
Forming
Broaching
0.2 Joule
1 Joule
5 Joule
1000 Joule
Aluminium oxide
Boron carbide
Silicon carbide
Any one of these
Truing
Dressing
Facing
Clearing
Rake angle
Cutting angle
Clearance angle
Lip angle
Incomplete penetration
Shrinkage void
Slag Entrapment (Inclusions)
Incomplete fusion
Rake angles
Relief angles
Face angles
None of these
Brittle metals
Ductile metals
Hard metals
Soft metals
Silicon carbide
Aluminium oxide
Sand stone
Diamond
Arithmetical progression
Geometrical progression
Harmonical progression
Any one of these
Free from corrosion
Stronger in tension
Free from stresses
Leak-proof
Made by cold pressing of aluminium oxide powder
Available in the form of tips
Brittle and have low bending strength
All of these
Amount of material to be removed
Hardness of material being ground
Finish desired
All of these
Porosity
Undercut
Under fill
Crack