MCQ - TNPSC JTO
JTO - 534 - Advanced Computer Numerical Control
534 - Unit VI VMC Machines
49)
G83 is used for:
A.
B.
C.
D.
50)
G84 command refers to:
A.
B.
C.
D.
51)
Which canned cycle includes dwell at bottom of hole?
A.
B.
C.
D.
52)
What is the benefit of using canned cycles?
A.
B.
C.
D.
53)
G89 is used for:
A.
B.
C.
D.
54)
In a canned cycle, "R" indicates:
A.
B.
C.
D.
55)
Which command ends the canned cycle?
A.
B.
C.
D.
56)
Which sensor helps confirm tool presence in ATC?
A.
B.
C.
D.
57)
Tool clamping and unclamping is usually done using:
A.
B.
C.
D.
58)
What is the role of the spindle orientation in ATC?
A.
B.
C.
D.
59)
What happens if the selected tool is not in the correct magazine pocket?
A.
B.
C.
D.
60)
Which part of ATC stores tool data like tool number and offset?
A.
B.
C.
D.
61)
How does a CNC controller apply wear offset during machining?
A.
B.
C.
D.
62)
G41 and G42 codes are associated with:
A.
B.
C.
D.
63)
Tool wear offset is preferred over reprogramming because:
A.
B.
C.
D.
64)
Tool wear is monitored manually or by:
A.
B.
C.
D.