What are the main components of an NC machine?1. Part program2. Machine Control Unit3. Servo meterSelect the’ correct answer using the code given below

What are the main components of an NC machine?1. Part program2. Machin

1.	What are the main components of an NC machine?1. Part program2. Machine Control Unit3. Servo meterSelect the’ correct answer using the code given below
A.	1, 2 and 3
B.	1 and 2 only
C.	2 and 3 only
D.	1 and 3 only
Answer» B. 1 and 2 only