High speed steel
Carbon steel
Wrought iron
All of these
D. All of these
Minimum at the beginning of the cut and maximum at the end of the cut
Maximum at the beginning of the cut and minimum at the end of the cut
Uniform throughout the cut
None of these
Hard and brittle materials
Soft and ductile materials
Hard and ductile materials
Soft and brittle materials
Loose running fit
Close running fit
Transition fit
Interference fit
15 to 19 m/min
25 to 31 m/min
60 to 90 m/min
90 to 120 m/min
Milling
Shaping with rack cutter
Shaping with pinion cutter
Hobbing
Carbon tool steels
Tungsten carbide tools
High speed steel tools
Ceramic tools
Equal to
Smaller than
Greater than
None of these
πd
πdn
πdn sinα
πdn cosα
Half
Two times
Eight times
Sixteen times
To produce good surface finish and high degree of accuracy
To remove considerable amount of metal without regard to accuracy of the finished surface
To grind exterior cylindrical surfaces
Any one of the above
Perpendicular to the workpiece
Perpendicular to the direction of tool travel
Parallel to the direction of tool travel
Inclined at an angle less than 90° to the direction of tool travel
0° to 3°
3° to 10°
10° to 20°
20° to 30°
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
Fatigue strength
Work hardening
Fracture strength
Elastic constant
Feed the casting at a rate consistent with the rate of solidification.
Act as a reservoir for molten metal
Feed molten metal from the pouring basin to the gate
Help feed the casting until all solidification takes place
GTAW
Open air cut voltage
Kerf
Gouging
10 to 20 m/min
18 to 30 m/min
24 to 45 m/min
60 to 90 m/min
Boring
Drilling
Reaming
Internal turning
Weldment
Weld tab
Weldability
Tack weld
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 the tool
Between the surface of the flank immediately below the point and a line drawn from the point perpendicular to the base
Cutting forces and power consumption
Tool life
Type of chips and shear angle
All of these
Greater than the upper limit of the hole
Lesser than the upper limit of the hole
Greater than the lower limit of the hole
Lesser than the lower limit of the hole
Geometric progression
Arithmetic progression
Harmonic progression
None of these
After heat treatment
Prior to heat treatment
For gear reconditioning
None of these
An eccentric work
A heavy work
A thin work
None of these
Chip thickness ratio
Forces during metal cutting
Wear of the cutting tool
Deflection of the cutting tool
Of maximum diameter 15 mm
In 15 mm thick plates
Having cross-sectional area of 15 mm²
None of these
Direction of the tool axis
Direction of tool travel
Perpendicular to the direction of the tool axis
Central plane of the workpiece
Increase in moisture content beyond 6 percent
Increase in permeability
Decrease in permeability
Increase in both moisture content and permeability
Shaping
Milling
Hobbing
Burnishing