44) For turning cast iron, which tool material is most suitable for turning with maximum cutting speed?
Answer is:
Diamond
ISRO Technician-B Machinist Question Paper - 2015 (Set -1) with Answer Key
For more MCQ's Click HereRelated ISRO Technician-B Machinist Question Paper - 2015 (Set -1) with Answer Key
Answer is:
Invalid
Answer is:
Servo control
Answer is:
Limit plug gauge
Answer is:
Down milling
Explanation:
Up Milling is the process of removing metal by a cutter which is rotated against the direction of travel of the workpiece is called up-milling. It is also called conventional milling.
In up-milling, the chip thickness is minimum at the beginning of the cut and maximum at the end of cut. The cutting force varies from zero to maximum.
Down Milling is the process of removing metal by a cutter which is rotated in the same direction of travel of the workpiece is called down milling. It is also called climb milling.
In down milling, the chip thickness is maximum at the beginning of the cut and minimum at the end of cut. The cutting force varies from maximum to zero.
