Which one of the following is the reason for built up edge on the cutting edge of the milling cutter ?

Rake angle is less

Material of the job is ductile

Either 'A' or 'B'

Neither 'A' nor 'B'

less number of teeth

more number of teeth

same number of teeth

either 'B' or 'C'

Round edge

Corner slot

Fillet

Radius

(a) Cutter forces tend to push the work against the work holding device

(b) Reaction forces tend to pull the cutter into the work

(c) Reaction forces tend to push the cutter away from the work

Both 'A' and 'B'

Cutting convex grooves

Angular machining

Cutting of length

Cutting keyway