With the help of how many half nuts, apron provide power feed to the carriage at the time of thread cutting?

With the help of how many half nuts, apron provide power feed to the c

1.	With the help of how many half nuts, apron provide power feed to the carriage at the time of thread cutting?
A.	1
B.	2
C.	3
D.	4
Answer» C. 3