22) To obtain good surface, the ideal machining allowance for finish milling would be :

0.1 mm

0.2 mm

0.5 mm

0.8 mm

Answer is:

0.5 mm

Quality of surface finish

Rigidity of machine

Depth of cut

Rigidity of workpiece

Answer is:

While using helical milling cutter, only one tooth is loaded at a time

Helical milling cutter does not produce chatter

Helical plain milling cutter has an angle of 45 Degree to over 60 Degree

Plain milling cutters are also called as slab milling cutters

Answer is:

To bring the workpiece to the required dimensions

To bring the workpiece to the required surface finish

To bring the workpiece to the required dimensions and To bring the workpiece to the required surface finish

none of these

Answer is:

Rigidity of workpiece

Rigidity of machine

Rigidity of operator

Rigidity of workpiece and Rigidity of machine

Answer is: