10 r.p.m.
20 r.p.m.
120 r.p.m.
180 r.p.m.
B. 20 r.p.m.
Equal to
Smaller than
Greater than
None of these
Equal to 118°
Less than 118°
More than 118°
Any one of these
Remain constant
Increases
Decreases
First increases and then decreases
Mild steel
Alloy steel
Pig iron
Chilled cast iron
Rake angle
Cutting angle
Clearance angle
Lip angle
Electrochemical machining
Electro-discharge machining
Ultrasonic machining
None of these
Internal screw threads
External screw threads
No threads
Tapered threads
Grinding at high speed results in the reduction of chip thickness and cutting forces per grit.
Aluminium oxide wheels are employed.
The grinding wheel has to be of open structure.
All of the above
Sensitive drilling machine
Radial drilling machine
Gang drilling machine
Deep hole drilling machine
Mixing
Sintering
Impregnation
Infiltration
Circular interpolation in counter clockwise direction and incremental dimension
Circular interpolation in counter clockwise direction and absolute dimension
Circular interpolation in clockwise direction and incremental dimension
Circular interpolation in clockwise direction and absolute dimension
Arithmetical progression
Geometrical progression
Harmonical progression
Any one of these
15 to 19 m/min
25 to 31 m/min
60 to 90 m/min
90 to 120 m/min
Trimming the surface left by sprues and risers on castings
Grinding the parting line left on castings
Removing flash on forgings
All of these
Perform burnishing operation
Remove minimum metal
Remove maximum metal
Remove no metal
2.17 rpm, 600 joules
6.8 rpm, 6 joules
5.03 rpm, 600 joules
22 rpm, 600 joules
Drill a hole
Finish the drilled hole
Correct the hole
Enlarge the existing hole
Tool steels
Sintered carbides
Glass
All of these
Cross direction only
Longitudinal direction only
Both cross and longitudinal direction
Any direction
Cold shut
Swell
Sand wash
Scab
2 to 3 times lower
2 to 3 times higher
5 to 8 times higher
8 to 20 times higher
Free from corrosion
Stronger in tension
Free from stresses
Leak-proof
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
Path of shear is short and chip is thin
Path of shear is large and chip is thick
Path of shear is short and chip is thick
Path of shear is large and chip is thin
Zero helix angle is used
Low helix angle is used
High helix angle is used
Any helix angle can be used
Distortion
Warping
Porous weld
Poor fusion
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
Soft materials
Tough materials
Ductile materials
All of these
Globular transfer
Spray transfer
GMAW practice
Dip transfer