3500⁰C
3200⁰C
2900⁰C
2550⁰C
B. 3200⁰C
Mild steel
Cast iron
High speed steel
High carbon steel
Water
Soluble oil
Dry
Sulphurised mineral oil
On universal milling machine
On plain milling machine
In a tank containing an etching solution
Any one of these
Poor surface finish is obtained
There is sudden increase in cutting forces and power consumption
Overheating and fuming due to heat of friction starts
All of the above
Increases continuously
Decreases continuously
Decreases, becomes stable and then increases.
Increases, becomes stable and then decreases.
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
Carbon tool steels
Tungsten carbide tools
High speed steel tools
Ceramic tools
Work surface
Tool face
Machine surface
None of these
At recrystallization temperature
Between 100⁰C to 150⁰C
Between recrystallization temperature
Above recrystallization temperature
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
Cutting helical grooves on the external cylindrical surface
Conventional milling
Climb milling
End milling
Face milling
Course grained
Medium grained
Fine grained
None of these
Sprue base area: runner area: ingate area
Pouring basin area: ingate area: runner area
Sprue base area: ingate area: casting area
Runner area: ingate area: casting area
In-feed grinding
Through feed grinding
End feed grinding
Any one 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
Increasing the cutting speed
Decreasing the cutting speed
Increasing the depth of cut
Increasing the feed rate
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
15 to 19 m/min
25 to 31 m/min
60 to 90 m/min
90 to 120 m/min
Reactor
Kerf
Inductor
Cone
Grinding
Lapping
Honing
Buffing
1 in 10
1 in 15
1 in 20
1 in 30
Hobbing
Shaping with pinion cutter
Shaping with rack cutter
Milling
Polymeric mould has been cured
Mould has been totally dried
Mould is green in colour
Mould contains moisture
Up milling
Down milling
Face milling
End milling
1, 2, 2
1, 2, 4
2, 3, 4
2, 4, 4
Lower chip-tool contact area and larger shear angle
Higher chip-tool contact area and smaller shear angle
Lower chip-tool contact area and smaller shear angle
Higher chip-tool contact area and larger shear angle
Leading edge of the land with a plane having the axis of the drill
Flank and a plane at right angles to the drill axis
Chisel edge and the lip as viewed from the end of a drill
None of the above
Shaping
Casting
Forming
Hobbing
Depth of cut
Cutting speed
Feed
All of these
Equal to
Less than
More than
None of these