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MCQ - TNPSC JTO

JTO - 534 - Advanced Computer Numerical Control

534 - Unit VIII VMC G Code

65)   

What is the total cycle time for a part if:

  • Roughing time = 2.5 min
  • Finishing time = 1.0 min
  • Loading/unloading time = 0.5 min
A.
B.
C.
D.
66)   

The dry run helps in:

A.
B.
C.
D.
67)   

Which of the following should be disabled during dry run?

A.
B.
C.
D.
68)   

Which machine control button is usually pressed to activate dry run?

A.
B.
C.
D.
69)   

Which parameter compensates for variation in tool height?

A.
B.
C.
D.
70)   

In circular interpolation, which of the following defines center point using vector values?

A.
B.
C.
D.
71)   

For clockwise arc movement on the XY plane using I and J, the syntax is typically:

A.
B.
C.
D.
72)   

Which G-code is used to cancel circular interpolation mode?

A.
B.
C.
D.
73)   

In Incremental Programming (G91), the coordinates are measured from:

A.
B.
C.
D.
74)   

Which of the following represents a proper sequence in a simple G00/G01 part program?

A.
B.
C.
D.
75)   

How can an operator verify that G01 movement occurred correctly?

A.
B.
C.
D.
76)   

In CNC verification software (or Dry Run), the program is run:

A.
B.
C.
D.
77)   

M30 indicates:

A.
B.
C.
D.
78)   

Which code combination is used to move to zero position in rapid mode?

A.
B.
C.
D.
79)   

Which mode is the safest to check the tool movement line-by-line in the program?

A.
B.
C.
D.
80)   

Which key combination or button typically activates Manual Pulse Generator (MPG)?

A.
B.
C.
D.