internal and external surfaces

round or irregular shaped holes

external flat and contoured surfaces

all of these

perform burnishing operation

remove minimum metal

remove maximum metal

remove no metal

rate of production is very high

high accuracy and high class of surface finish is possible

roughing and finishing cuts are completed in one pass of the tool

all of the above

simple heating

flame heating

induction heating

any one of these

It requires less power than machining metal at room temperature.

the rate of tool wear is lower

it is used for machining high strength and high temperature resistant materials

all of the above