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MCQ - TNPSC JTO

JTO - 534 - Advanced Computer Numerical Control

534 - Unit X 4th Axis on VMC

65)   

Which axis moves when rotary indexing is done about the A-axis?

A.
B.
C.
D.
66)   

In 4-axis machining, the part is typically rotated using the:

A.
B.
C.
D.
67)   

A servo-controlled 4th axis allows:

A.
B.
C.
D.
68)   

The main difference between indexing and continuous 4-axis machining is:

A.
B.
C.
D.
69)   

Which of the following workpieces would benefit most from continuous 4-axis machining?

A.
B.
C.
D.
70)   

In 4-axis programming, continuous movement requires

A.
B.
C.
D.
71)   

 What limitation does a basic manual indexer have compared to a CNC-controlled 4th axis?

A.
B.
C.
D.
72)   

Which feature distinguishes simultaneous 4-axis machining from standard 3+1 axis?

A.
B.
C.
D.
73)   

To avoid tool marks on cylindrical parts during 4-axis continuous machining, what is critical?

A.
B.
C.
D.
74)   

A job requires drilling holes at 45° intervals around a circular face. Which type of 4-axis motion is ideal?

A.
B.
C.
D.
75)   

Which of the following G-codes is commonly used for synchronized 4-axis machining with A-axis?

A.
B.
C.
D.
76)   

Which of the following workpieces would benefit most from continuous 4-axis machining?

A.
B.
C.
D.
77)   

An indexer helps eliminate which of the following during multi-face machining ?

A.
B.
C.
D.
78)   

An indexer can be integrated with CNC programs using which commands?

A.
B.
C.
D.
79)   

What is a common application of indexing in CNC milling?

A.
B.
C.
D.
80)   

In a 4-axis machine, an indexer typically controls which axis?

A.
B.
C.
D.