Dry air
Kerosene
M/C oil
Water
Press fit bushes
Slip bushes
Liner bushes
None of these
Major Dia of thread
Minor Dia of thread
Pitch Dia of thread
Hole diameter of pipe
More number of cutting edges with more chip space
Straight teeth cutting with long wedge angle
Less number of cutting edges with more chip space
Helical teeth cutting with zero rake angle
By the large helix angle
By the small helix angle
By the chisel edge angle
By the point angle which is 90 degree