Using abrasive slurry between the tool and work
Direct contact of tool with the work
Maintaining an electrolyte between the work and tool in a very small gap between the two
Erosion caused by rapidly recurring spark discharges between the tool and work
A. Using abrasive slurry between the tool and work
On universal milling machine
On plain milling machine
In a tank containing an etching solution
Any one of these
Rake angles
Relief angles
Face angles
None of these
Soft grade
Medium grade
Hard grade
None of these
Counter-sinking
Counter-boring
Trepanning
Spot facing
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.
Lip clearance angle
Helix angle
Point angle
Chisel edge angle
Machining horizontal surface
Machining vertical surface
Machining angular surface
All of these
Increases tool life
Decreases tool life
Produces chipping and decreases tool life
Results in excessive stress concentration and greater heat generation
50°C
100°C
175°C
275°C
Soldering
Brazing
Welding
Clamping
Maximum clearance between shaft and hole
Minimum clearance between shaft and hole
Difference between maximum and minimum sizes of hole
Difference between maximum and minimum sizes of shaft
70°
100°
118°
130°
Against the rotating cutter
At angle of 60° to the cutter
In the direction of the cutter
At the right angle to the cutter
10 to 20 m/min
18 to 30 m/min
24 to 45 m/min
60 to 90 m/min
Orthogonal cutting
Oblique cutting
Simple cutting
Uniform cutting
The cutting edge of the tool is perpendicular to the direction of tool travel.
The cutting edge clears the width of the workpiece on either ends.
The chip flows over the tool face and the direction of the chip flow velocity is normal to the cutting edge.
All of the above
Hobbing
Shaping with pinion cutter
Shaping with rack cutter
Milling
Drill a hole
Finish the drilled hole
Correct the hole
Enlarge the existing hole
5 m/min
10 m/min
15 m/min
30 m/min
Number of pieces machined between tool sharpenings
Time the tool is in contact with the job
Volume of material removed between tool sharpenings
All of the above
Up milling
Down milling
Face milling
End milling
Continuous chips are formed
Discontinuous chips are formed
Continuous chips with built-up edge are formed
No chips are formed
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
Electrochemical machining
Electro-discharge machining
Ultrasonic machining
None of these
By a form tool
By setting over the tail stock
By a taper turning attachment
By swivelling the compound rest
Grain size of the metal is large
Grain size of the metal is small
Hard constituents are present in the microstructure of the tool material
None of the above
Work material
Tool material
Working conditions
Type of chip produced
Has no effect on
Increase
Decrease
None of these
Geometric progression
Arithmetic progression
Harmonic progression
None of these
Surface finishing
Undercut gears
Cycloidal gears
Removing residual stresses from teeth roots