(D - d)/2L
(D - d)/L
(D - d)/2
D - d
C. (D - d)/2
Against the rotating cutter
At angle of 60° to the cutter
In the direction of the cutter
At the right angle to the cutter
0.2 Joule
1 Joule
5 Joule
1000 Joule
Half
Two times
Eight times
Sixteen times
3 to 12 mm
5 to 20 mm
8 to 30 mm
15 to 40 mm
By a form tool
By setting over the tail stock
By a taper turning attachment
By swivelling the compound rest
A set of grid points on the surface
A set of grid control points
Four bounding curves defining the surface
Two bounding curves and a set of grid control points
High temperature involved
Frequent wheel clogging
Rapid wheel wear
Low work piece stiffness
Increase machining accuracy
Facilitate interchangeability
Decrease expenditure on quality control
All of these
0° to 8°
9° to 15°
16° to 20°
21° to 25°
From left to right end of the lathe bed
From right to left end of the lathe bed
With the help of a compound slide
Across the bed
Mild steel
Alloy steel
Pig iron
Chilled cast iron
Side relief angle
End relief angle
Back rake angle
Side rake angle
Rate of production is very high
High accuracy and high class of surface finish is possible
Roughing and finishing cuts are completed in one pass of the tool
All of the above
Circular interpolation in counter clockwise direction and incremental dimension
Circular interpolation in counter clockwise direction and absolute dimension
Circular interpolation in clockwise direction and incremental dimension
Circular interpolation in clockwise direction and absolute dimension
Distortion
Warping
Porous weld
Poor fusion
Cutting speed
Nose radius
True rake angle
All of these
Cross feed
Angular feed
Longitudinal feed
Any one of these
Argon H₂
Argon CO₂
Argon Helium
Helium
Milling
Shaping with rack cutter
Shaping with pinion cutter
Hobbing
Increase in coefficient of friction
Decrease in coefficient of friction
Decrease in roll radius
Decrease in roll velocity
Reduce the spindle speed
Cut gears
Give desired direction of movement to the lathe carriage
Drill a workpiece
3° to 8°
20° to 30°
60° to 90°
90° to 120°
Induction motor
DC servo motor
Stepper motor
Linear servo motor
Cemented carbide
Ceramic
Cast iron
All of these
2.17 rpm, 600 joules
6.8 rpm, 6 joules
5.03 rpm, 600 joules
22 rpm, 600 joules
Using a harder wheel or by increasing the wheel speed
Using a softer wheel or by decreasing the wheel speed
Using a harder wheel or by decreasing the wheel speed
Using a softer wheel or by increasing the wheel speed
Internal tapers
Small tapers
Long slender tapers
Steep tapers
Hardenability of low carbon steels
Machinability of low carbon steels
Hardenability of high carbon steels
Machinability of high carbon steels
Gas tungsten arc welding
Resistance spot welding
Friction welding
Submerged arc welding
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