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MCQ - Mechanical TNPSC JTO
JTO - 534 - Advanced Computer Numerical Control - 534 - Unit X 4th Axis on VMC

26)   

What does the term continuous rotary motion refer to in 5-axis CNC?

A.
B.
C.
D.
Answer: C
27)   

Which axis configuration is used for full 5-axis machining?

A.
B.
C.
D.
Answer: B
28)   

In CNC simulation, rotary axis collision detection is important for:
        

A.
B.
C.
D.
Answer: C
29)   

A tilting rotary table in VMC is used to simulate which axis?

A.
B.
C.
D.
Answer: B
30)   

The rotary axis enables which type of machining without reclamping?

A.
B.
C.
D.
Answer: B
31)   

Which type of indexer provides the highest precision and is typically used in CNC automation?

A.
B.
C.
D.
Answer: C
32)   

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

A.
B.
C.
D.
Answer: B
33)   

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

A.
B.
C.
D.
Answer: A
34)   

What is a common application of indexing in CNC milling?

A.
B.
C.
D.
Answer: C
35)   

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

A.
B.
C.
D.
Answer: B
36)   

What is the key advantage of continuous 4-axis machining over step-wise?

A.
B.
C.
D.
Answer: C
37)   

Which of the following components is essential for enabling 4th axis machining?

A.
B.
C.
D.
Answer: C
38)   

4-axis machining is especially useful for:

A.
B.
C.
D.
Answer: B
39)   

In step indexing, the A-axis typically moves:

A.
B.
C.
D.
Answer: B
40)   

Continuous 4-axis machining is also referred to as:

A.
B.
C.
D.
Answer: C
41)   

In 4-axis CNC machining, the program must include rotary commands for the A-axis such as:

A.
B.
C.
D.
Answer: A
42)   

4-axis continuous machining is commonly used in:

A.
B.
C.
D.
Answer: B
43)   

A limitation of step-wise 4-axis machining is:

A.
B.
C.
D.
Answer: C
44)   

Which machine setup supports full continuous 4-axis machining?

A.
B.
C.
D.
Answer: B
45)   

When performing 4-axis indexing operation, which code is commonly used to rotate and stop the axis?

A.
B.
C.
D.
Answer: B
46)   

Which component is commonly used to physically align the rotary axis parallel to the X-axis?

A.
B.
C.
D.
Answer: C
47)   

Referencing the rotary axis in CNC software is typically done using:

A.
B.
C.
D.
Answer: C
48)   

After referencing the 4th axis, the machine recognizes:

A.
B.
C.
D.
Answer: B
49)   

On a CNC controller, what should be confirmed after referencing the A-axis?

A.
B.
C.
D.
Answer: C
50)   

What happens if the 4th axis is not referenced properly before machining?

A.
B.
C.
D.
Answer: C