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
C. Sizing and finishing a small diameter hole
Longitudinally
Crosswise
Vertically
All of these
Zero helix angle is used
Low helix angle is used
High helix angle is used
Any helix angle can be used
Up milling
Down milling
Face milling
End milling
On universal milling machine
On plain milling machine
In a tank containing an etching solution
Any one of these
Free from corrosion
Stronger in tension
Free from stresses
Leak-proof
Single riveted
Double riveted
Both (A) and (B)
None of these
Cold shut
Swell
Sand wash
Scab
Low cutting speed and large rake angle
Low cutting speed and small rake angle
High cutting speed and large rake angle
High cutting speed and small rake angle
Carbide, ceramic, cermet, borazon
Ceramic, carbide, borazon, cermet
Cermet, carbide, ceramic, borazon
Borazon, ceramic, carbide, cermet
Equal to
Less than
Greater than
None of these
Help in the movement of the sparks
Control the spark discharges
Act as coolant
All of these
0.2 Joule
1 Joule
5 Joule
1000 Joule
Work material
Tool material
Working conditions
Type of chip produced
A to H
I to P
Q to Z
A to P
Gang milling
Straddle milling
String milling
Side milling
Forward stroke
Return stroke
Both the forward and return strokes
Neither the forward nor the return stroke
Water
Soluble oil
Dry
Heavy oils
0.20
0.30
0.50
0.60
Materials
Types of gears
Number of teeth
Width of gears
It improves tool life
It improves the surface finish
Both (A) and (B)
None of these
15 to 19 m/min
25 to 31 m/min
60 to 90 m/min
90 to 120 m/min
Slow speed
High speed
Any speed
Certain specific speed
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
Zero helix angle is used
Low helix angle is used
High helix angle is used
Any helix angle can be used
Increase machining accuracy
Facilitate interchangeability
Decrease expenditure on quality control
All of these
Nose part, front relief face and side relief face of the cutting tool
Face of the cutting tool at a short distance from the cutting edge
Cutting edge only
Front face only
Vertical boring machine
Horizontal boring machine
Precision boring machine
Jig boring machine
350°C
500°C
900°C
1100°C
Plastic deformation of metal
Burnishing friction
Friction between the moving chip and the tool face
None of the above
ARC welding
Submerged ARC welding
TIG welding
MIG welding