Remain constant
Increases
Decreases
First increases and then decreases
C. Decreases
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
Simple heating
Flame heating
Induction heating
Any one of these
Tool relative to the workpiece
Chip relative to the tool
Tool along the tool face
None of these
Counter-sinking
Counter-boring
Trepanning
Spot facing
Side relief angle
End relief angle
Back rake angle
Side rake angle
Counter-boring
Grooving
Knurling
Facing
Straight fluted reamer
Left hand spiral fluted reamer
Right hand spiral fluted reamer
Any one of these
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
5 to 10 m/min
10 to 20 m/min
20 to 30 m/min
40 to 60 m/min
Toughness
Ductility
Elasticity
Work hardening
Materials
Types of gears
Number of teeth
Width of gears
Zero rake angle
Positive rake angle
Negative rake angle
Point angle
Increase in the effective rake angle and a decrease in the effective clearance angle
Increase in both effective rake angle and effective clearance angle
Decrease in the effective rake angle and an increase in the effective clearance angle
Decrease in both effective rake angle and effective clearance angle
Amount of material to be removed
Hardness of material being ground
Finish desired
All of these
Internal cylindrical grinding
Form grinding
External cylindrical grinding
Surface grinding
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
Direct indexing
Simple indexing
Compound indexing
Differential indexing
Help in the movement of the sparks
Control the spark discharges
Act as coolant
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
The chip thickness increase gradually
It enables the cutter to dig in and start the cut
The specific power consumption is reduced
Better surface finish can be obtained
High temperature developed at the contact of the wheel face and work
Grinding hard work
Low speed of wheel
High speed of wheel
Incomplete fusion
Lamellar tearing
Mismatch
Shrinkage void
Taper tap
Bottoming tap
Second tap
None of these
Flat drill
Straight fluted drill
Parallel shank twist drill
Tapered shank twist drill
Brinell hardness number
Rockwell hardness number
Vickers pyramid number
Letter of alphabet
Regulating wheel diameter
Speed of the regulating wheel
Angle between the axes of grinding and regulating wheels
All of the above
Equal to 118°
Less than 118°
More than 118°
Any one of these
Stroke length
Motor power
Mass of machine
Rate size
Plastic deformation of metal
Burnishing friction
Friction between the moving chip and the tool face
None of the above
Has less number of teeth
Is short and stocky
Removes less material for each pass of the tool
All of the above