sparksacademychennai@gmail.com +91 8190879379 Saidapet, Chennai

MCQ - TNPSC JTO

JTO - 534 - Advanced Computer Numerical Control

534 - Unit VII Routine Maintenance

17)   

Spindle taper in CNC VMC should be kept clean to avoid:

A.
B.
C.
D.
Answer: B
18)   

During preventive maintenance, spindle runout is checked using a:

A.
B.
C.
D.
Answer: C
19)   

A frequent cause of tool change failure in VMC is:

A.
B.
C.
D.
Answer: B
20)   

If the CNC VMC machine is showing axis home position error, what is likely the issue?

A.
B.
C.
D.
21)   

What is the primary benefit of following OEM preventive maintenance?

A.
B.
C.
D.
22)   

What is the result of ignoring OEM-recommended battery replacement?

A.
B.
C.
D.
23)   

OEM typically recommends air filter cleaning in:

A.
B.
C.
D.
24)   

Coolant concentration must be maintained as per OEM to avoid:

A.
B.
C.
D.
25)   

OEM specifies ATC arm inspection during:

A.
B.
C.
D.
26)   

Electrical panel fans and filters are recommended to be cleaned:

A.
B.
C.
D.
27)   

Which of the following is not typically part of OEM daily maintenance?

A.
B.
C.
D.
28)   

OEM advises guideways be lubricated to prevent:

A.
B.
C.
D.
29)   

Performing OEM maintenance helps in:

A.
B.
C.
D.
30)   

What document provides the most accurate preventive maintenance checklist?

A.
B.
C.
D.
31)   

OEM-recommended machine calibration ensures:

A.
B.
C.
D.
32)   

OEM advises axis backlash measurement using:

A.
B.
C.
D.