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MCQ - TNPSC JTO

JTO - 534 - Advanced Computer Numerical Control

534 - Unit IV Introduction CNC Machines

49)   

Why is tool nose radius compensation critical in finish turning?

A.
B.
C.
D.
50)   

The compensation amount for G41/G42 is based on:

A.
B.
C.
D.
51)   

Which G-code must follow a G41 or G42 before actual cutting begins?

A.
B.
C.
D.
52)   

Tool nose radius compensation is most useful when machining:

A.
B.
C.
D.
53)   

What does G40 do in CNC turning?

A.
B.
C.
D.
54)   

Which G-code sequence is correct for tool nose radius compensation to the left of contour?

A.
B.
C.
D.
55)   

In G76 P020060, the 60 at the end stands for:

A.
B.
C.
D.
56)   

In G76 threading, Q200 refers to:

A.
B.
C.
D.
57)   

The parameter P in the second G76 line represents:

A.
B.
C.
D.
58)   

In threading, approach and overrun are required to:

A.
B.
C.
D.
59)   

Which unit is used in G76 for depth and feed parameters like P, Q?

A.
B.
C.
D.
60)   

To machine a thread M30 × 3.5, the final minor diameter is approx.:


A.
B.
C.
D.
61)   

To perform an internal groove, which type of tool is required?

A.
B.
C.
D.
62)   

Which CNC code is used for threading and should not be confused with grooving cycles?

A.
B.
C.
D.
63)   

In G75 U and W parameters are used for:

A.
B.
C.
D.
64)   

The advantage of using G73 over G71 in turning operations is:

A.
B.
C.
D.