Drill remover
Drill puller
Drift
Drill drawer
Spindle
Arbor
Column
Knee
Carbon tool steels
Tungsten carbide tools
High speed steel tools
Ceramic tools
Continuous chips
Discontinuous chips
Continuous chips with built-up edge
None of these
5 to 15 m/min
15 to 60 m/min
60 to 90 m/min
90 to 120 m/min
By which the face of the tool is inclined towards back
By which the face of the tool is inclined sideways
Between the surface of the flank immediately below the point and a plane at right angles to the centre line of the point of tool
Between the surface of the flank immediately below the point and a line drawn from the point perpendicular to the base
5°
10°
15°
20°
Four jaw independent chuck
Collect chuck
Three jaw universal chuck
Magnetic chuck
Nose part, front relief face and side relief face of the cutting tool
Face of the cutting tool at a short distance from the cutting edge only
Cutting edge only
Front face only
Becomes longer
May or may not form
Becomes smaller and finally does not form at all
Has nothing to do with speed
Increase machining accuracy
Facilitate interchangeability
Decrease expenditure on quality control
All of these
20.56
26.56
30.56
36.56
Path of shear is short and chip is thin
Path of shear is large and chip is thick
Path of shear is short and chip is thick
Path of shear is large and chip is thin
Forward stroke
Return stroke
Both the forward and return strokes
Neither the forward nor the return stroke
Cross direction only
Longitudinal direction only
Both cross and longitudinal direction
Any direction
Equal to
Less than
More than
None of these
It cannot be used on old machines due to backlash between the feed screw of the table and the nut.
The chips are disposed off easily and do not interfere with the cutting.
The surface milled appears to be slightly wavy.
The coolant can be poured directly at the cutting zone where the cutting force is maximum.
Outside diameter but not roundness
Roundness but not outside diameter
Both outside diameter and roundness
Only external threads
90°
118°
135°
150°
Feed rate, depth of cut, cutting speed
Depth of cut, cutting speed, feed rate
Cutting speed, feed rate, depth of cut
Feed rate, cutting speed, depth of cut
Ultrasonic welding
Forge welding
Electron beam welding
Friction welding
Up milling
Down milling
Forming
Broaching
A to H
I to P
Q to Z
A to P
Four direct speeds
Four indirect speeds
Four direct and four indirect speeds
Eight indirect speeds
Water
Soluble oil
Dry
Sulphurised mineral oil
Feed marks or ridges left by the cutting tool
Fragment of built-up edge on the machined surface
Cutting tool vibrations
All of these
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
Coefficient of friction
Microstructure
Work hardening characteristics
All of these
Brittle metals
Ductile metals
Hard metals
Soft metals
Material of drill
Type of material to be drilled
Quality of surface finish desired
All of these