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

76)   

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

A.
B.
C.
D.
Answer: C
77)   

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

A.
B.
C.
D.
Answer: B
78)   

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

A.
B.
C.
D.
Answer: C
79)   

What is a common application of indexing in CNC milling?

A.
B.
C.
D.
Answer: C
80)   

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

A.
B.
C.
D.
Answer: B
81)   

Which of the following statements about CNC indexers is true?

A.
B.
C.
D.
Answer: C
82)   

A rotary indexer provides

A.
B.
C.
D.
Answer: C
83)   

Indexers are commonly used in the following industries except:

A.
B.
C.
D.
Answer: D
84)   

A programmable indexer allows:

A.
B.
C.
D.
Answer: C
85)   

The indexing table is especially useful for:

A.
B.
C.
D.
Answer: C
86)   

Which of the following best describes an indexing rotary table?

A.
B.
C.
D.
Answer: B
87)   

In 5-axis machines, rotary axes are used in synchronization with linear axes during:

A.
B.
C.
D.
Answer: C
88)   

A C-axis rotary table rotates about which of the following?

A.
B.
C.
D.
Answer: A
89)   

In CNC programming, the rotary axis feedrate is generally specified in:

A.
B.
C.
D.
Answer: A
90)   

When a rotary axis is servo-controlled, it allows:

A.
B.
C.
D.
Answer: B
91)   

What is a major benefit of using a rotary axis table over manual re-fixturing?



A.
B.
C.
D.
Answer: C
92)   

Which combination is correct for a trunnion-style 5-axis machine?

A.
B.
C.
D.
Answer: B
93)   

In multi-face machining, the rotary axis eliminates the need for:

A.
B.
C.
D.
Answer: C
94)   

In 4-axis machining, which axis typically adds the rotary movement?

A.
B.
C.
D.
Answer: A
95)   

The rotation of the workpiece about the Z-axis in a VMC is represented by

A.
B.
C.
D.
Answer: C
96)   

Which of the following is an example of indexing using an auxiliary axis in CNC machining?

A.
B.
C.
D.
Answer: B
97)   

In CNC machines, which axis is usually assigned to the spindle rotation in turning centers?

A.
B.
C.
D.
Answer: C
98)   

The auxiliary axis in a mill-turn center helps in performing:

A.
B.
C.
D.
Answer: B
99)   

Which code is often used to activate the rotary auxiliary axis in a CNC program?

A.
B.
C.
D.
Answer: D
100)   

Auxiliary axes such as A, B, and C are typically defined as:

A.
B.
C.
D.
Answer: B