high carbon steel tools

high speed steel tools

cemented carbide tools

all of these

zero rake angle

positive rake angle

negative rake angle

point angle

(a) It improves tool life

(b) It improves the surface finish

both (A) and (B)

none of these

carbide, ceramic, cement, borazon

ceramic, carbide, borazon, cement

cement, carbide, ceramic, borazon

borazon, ceramic, carbide, cement

tungsten

chromium

silicon

cobalt