While using high speed steel tools on lathe the speed of chuck will be lowest while machining
A)White metal
B)Aluminium
C)Brass
D)Copper
E)Cast iron

Question

Quizplus · Accepted Answer

Cast iron is generally harder and more abrasive than the other materials listed, which means it requires a lower cutting speed when being machined with high-speed steel tools to prevent tool wear and achieve a good surface finish.

While Using High Speed Steel Tools on Lathe the Speed