Flat drill
Straight fluted drill
Parallel shank twist drill
Tapered shank twist drill
B. Straight fluted drill
Doubled
Halved
Quadrupled
Unchanged
Globular transfer
Spray transfer
GMAW practice
Dip transfer
Face
Fillet
Land
Lead
Chip thickness ratio
Forces during metal cutting
Wear of the cutting tool
Deflection of the cutting tool
High speed steel
Carbon steel
Stainless steel
Either (A) or (B)
VnT = C
VTn = C
Vn/T = C
V/Tn = C
Brittle material
Tough material
Hard material
Ductile material
Rake angles
Relief angles
Face angles
None of these
Low carbon steel
Titanium
Copper
Tin
Coarse grained grinding wheel is used
Fine grained grinding wheel is used
Medium grained grinding wheel is used
Any one of these
Shaping operation
Forming operation
Surface finishing operation
Dressing operation
Increases tool life
Decreases tool life
Produces chipping and decreases tool life
Results in excessive stress concentration and greater heat generation
Equal to 118°
Less than 118°
More than 118°
Any one of these
Cool the tool
Improve surface finish
Cool the workpiece
All of these
Hardness of the work and tool material at the operating temperature
Amount and distribution of hard constituents in the work material
Degree of strain hardening in the chip
All of these
Mild steel
Cast iron
High speed steel
High carbon steel
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
Tool geometry
Cutting speed
Feed rate
All of these
Bevelling the extreme end of a workpiece
Embossing a diamond shaped pattern on the surface of a workpiece
Reducing the diameter of a workpiece over a very narrow surface
Machining the ends of a workpiece to produce a flat surface square with the axis
Argon H₂
Argon CO₂
Argon Helium
Helium
Shaping
Casting
Forming
Hobbing
The modulus of elasticity of metal
The shear strength of metal
The bulk modulus of metal
The yield strength of metal
One-half
One-fourth
Double
Four times
Mismatch
Under fill
Crack
Porosity
Continuous chips
Discontinuous chips
Continuous chips with built-up edge
None of these
An eccentric work
A heavy work
A thin work
None of these
Between the upper and lower critical temperature and cooled in still air.
Above the upper critical temperature and cooled in furnace.
Above the upper critical temperature and cooled in still air.
Between the upper and lower critical temperature and cooled in furnace.
GTAW
Open air cut voltage
Kerf
Gouging
The cutting edge is inclined at an angle less than 90° with the normal to the velocity of the tool.
Frequently, more than one cutting edges are in action.
The chip flows on the tool face at an angle less than 90° with the normal on the cutting edge.
All of the above
Metal forming process | Types of stress |
---|---|
1. Coining | P. Tensile |
2. Wire Drawing | Q. Shear |
3. Blanking | R. Tensile and compressive |
4. Deep Drawing | S. Compressive |
1-S, 2-P, 3-Q, 4-R
1-S, 2-P, 3-R, 4-Q
1-P, 2-Q, 3-S, 4-R
1-P, 2-R, 3-Q, 4-S