Up milling
Down milling
Forming
Broaching
D. Broaching
1.02
1.32
1.66
1.82
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
Hard and brittle materials
Soft and ductile materials
Hard and ductile materials
Soft and brittle materials
Machining horizontal surface
Machining vertical surface
Machining angular surface
All of these
Wheel is too hard or wheel revolves at a very high speed
Wheel is too soft or wheel revolves at a very slow speed
Wheel is too hard and wheel revolves at very slow speed
Wheel is too soft and wheel revolves at a very high speed
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
Thread cutting
Turning a work of larger diameter
Turning a hard or tough material
All of these
Has no effect on
Increase
Decrease
None of these
Cutting speed
Nose radius
True rake angle
All of these
Counter-sinking
Counter-boring
Trepanning
Spot facing
Corrosion
Erosion
Fusion
Ion displacement
(4π/6)³ × (r/l)⁶
(4π/6) × (r/l)²
(4π/6)² × (r/l)³
(4π/6)² × (r/l)⁴
20° to 40°
40° to 60°
60° to 80°
None of these
Making a cone-shaped enlargement of the end of a hole
Smoothing and squaring the surface around a hole
Sizing and finishing a small diameter hole
Producing a hole by removing metal along the circumference of a hollow cutting tool
Very high pouring temperature of the metal
Insufficient fluidity of the molten metal
Absorption of gases by the liquid metal
Improper alignment of the mould flasks
High carbon steel tools
High speed steel tools
Cemented carbide tools
All of these
Improves
Deteriorates
Does not effect
None of these
Coefficient of friction
Microstructure
Work hardening characteristics
All of these
Loose running fit
Close running fit
Transition fit
Interference fit
A to H
I to P
Q to Z
A to P
0.1 to 0.2
0.20 to 0.25
0.25 to 0.40
0.40 to 0.55
Spot facing
Boring
Tapping
Drilling
Decreasing the rake angle
Increasing the depth of cut
Decreasing the cutting speed
Increasing the cutting speed
Annealing
Cyaniding
Normalizing
Tempering
At its recrystallisation temperature
Above its recrystallisation temperature
Below its recrystallisation temperature
At two thirds of the melting temperature of the metal
It can machine hardest materials.
It produces high degree of surface finish.
The tool and work are never in contact with each other.
All of these
Water
Soluble oil
Dry
Heavy oils
Orthogonal cutting
Oblique cutting
Simple cutting
Uniform cutting
Made by cold pressing of aluminium oxide powder
Available in the form of tips
Brittle and have low bending strength
All of these
Thermit welding
Electroslag welding
Resistance welding
Submerged arc welding