sparksacademychennai@gmail.com +91 8190879379 Saidapet, Chennai

MCQ - TNPSC JTO

JTO - 534 - Advanced Computer Numerical Control

534 - Unit IV Introduction CNC Machines

33)   

G01 X20 Y10 Z–5 means:

A.
B.
C.
D.
34)   

The format G02 X30 Y40 I15 J10 means:

A.
B.
C.
D.
35)   

What will the command G03 X10 Y20 I5 J5 do?

A.
B.
C.
D.
36)   

In a parting operation, the final movement of the tool is:

A.
B.
C.
D.
37)   

Which tool material is commonly used for parting operations in CNC?

A.
B.
C.
D.
38)   

In multi-start threads, lead is calculated as:

A.
B.
C.
D.
39)   

What does a double-start thread mean?

A.
B.
C.
D.
40)   

Which thread type is used commonly in bottle caps or camera lenses for quick movement?

A.
B.
C.
D.
41)   

Which of the following requires precise synchronization between spindle and tool feed in CNC threading?

A.
B.
C.
D.
42)   

A taper thread is mainly used for:

A.
B.
C.
D.
43)   

In the tool offset table, the length offset is generally stored under:

A.
B.
C.
D.
44)   

In taper threading on a CNC lathe, constant taper angle is achieved by

A.
B.
C.
D.
45)   

If a single-start thread has 2 mm pitch and a double-start has 2 mm pitch, their lead difference is:

A.
B.
C.
D.
46)   

In the G71 cycle, what is the purpose of the P and Q parameters?

A.
B.
C.
D.
47)   

Which cycle removes material in a pecking fashion along the Z-axis during grooving?

A.
B.
C.
D.
48)   

The G74 cycle is used to perform grooving by repeated cutting movements along the:

A.
B.
C.
D.