MCQ - Mechanical TNPSC JTO
JTO - 534 - Advanced Computer Numerical Control - 534 - Unit V CNC Turning

1)   

Which control system is commonly used in CNC lathe machines?

A.
B.
C.
D.
Answer: B
2)   

What does CNC stand for in CNC lathe machine?

A.
B.
C.
D.
Answer: B
3)   

Which axis represents the tool movement towards or away from the workpiece in a CNC lathe?

A.
B.
C.
D.
Answer: B
4)   

Which of the following is the primary function of a CNC lathe?

A.
B.
C.
D.
Answer: C
5)   

What component holds the workpiece in a CNC lathe?

A.
B.
C.
D.
Answer: C
6)   

In CNC terminology, what is ‘G-code’ used for?

A.
B.
C.
D.
Answer: B
7)   

The movement from one point to another at maximum speed is called:

A.
B.
C.
D.
Answer: B
8)   

Which part in CNC lathe rotates the workpiece?

A.
B.
C.
D.
Answer: B
9)   

Which code group controls spindle speed in CNC programming?

A.
B.
C.
D.
Answer: B
10)   

The CNC lathe machine is mainly used for:

A.
B.
C.
D.
Answer: B
11)   

Which of the following codes is used to start the spindle in CNC lathe machines?

A.
B.
C.
D.
Answer: B
12)   

What is the purpose of the tool turret in a CNC lathe?

A.
B.
C.
D.
Answer: C
13)   

Which code represents linear interpolation in CNC programming?

A.
B.
C.
D.
Answer: A
14)   

Which of the following is a benefit of CNC over manual lathe machines?

A.
B.
C.
D.
Answer: D
15)   

In a CNC lathe, the command “G00 X0 Z0” means:

A.
B.
C.
D.
Answer: B
16)   

Which of the following controls tool position in CNC lathes?

A.
B.
C.
D.
Answer: C
17)   

Which command is used for circular interpolation clockwise in CNC?

A.
B.
C.
D.
Answer: B
18)   

Which material is commonly used to make cutting tools in CNC lathe machines?

A.
B.
C.
D.
Answer: C
19)   

The feed rate in a CNC lathe refers to:

A.
B.
C.
D.
Answer: C
20)   

M05 in CNC lathe stands for:

A.
B.
C.
D.
Answer: B
21)   

What does M08 represent in CNC programming?

A.
B.
C.
D.
Answer: C
22)   

Which CNC command is used for dwell or pause?

A.
B.
C.
D.
Answer: A
23)   

Which part of CNC lathe supports the tail end of long workpieces?

A.
B.
C.
D.
Answer: C
24)   

Which axis in a 2-axis CNC lathe controls radial movement?

A.
B.
C.
D.
Answer: B
25)   

The command G28 is used to:

A.
B.
C.
D.
Answer: B