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MCQ - TNPSC JTO

JTO - 534 - Advanced Computer Numerical Control

534 - Unit VIII VMC G Code

33)   

Which parameter must be included with G01 for proper tool movement?

A.
B.
C.
D.
34)   

Which of the following is a valid example of a G00 command?

A.
B.
C.
D.
35)   

In a basic program, which line typically defines the tool movement at a cutting feed rate?

A.
B.
C.
D.
36)   

Which code moves the tool quickly to a target point without cutting?

A.
B.
C.
D.
37)   

A G01 command must include which value to control the movement?

A.
B.
C.
D.
38)   

What is the main difference between G00 and G01?

A.
B.
C.
D.
39)   

In circular interpolation, the center of the arc is specified using:

A.
B.
C.
D.
40)   

Which of the following is a valid G02 command?

A.
B.
C.
D.
41)   

If G54 is used in a program, it means:

A.
B.
C.
D.
42)   

Which parameter compensates for variation in tool height?

A.
B.
C.
D.
43)   

Work offsets are entered and stored in which CNC screen/page?

A.
B.
C.
D.
44)   

What precaution is needed before a dry run?

A.
B.
C.
D.
45)   

The basic formula for machining time (Tc) in turning or milling is:

A.
B.
C.
D.
46)   

If the length of cut is 100 mm, feed is 0.2 mm/rev, and spindle speed is 500 RPM, what is the machining time?

A.
B.
C.
D.
47)   

G15 in CNC programming is used for

A.
B.
C.
D.
48)   

What is the advantage of using polar coordinates in polygonal milling?

A.
B.
C.
D.