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MCQ - Mechanical TNPSC JTO
JTO - 534 - Advanced Computer Numerical Control - 534 - Unit VII Routine Maintenance

1)   

What is the full form of OEM in machine maintenance?

A.
B.
C.
D.
Answer: C
2)   

Why is it important to follow OEM-recommended maintenance schedules?

A.
B.
C.
D.
Answer: C
3)   

OEM usually provides machine maintenance instructions through:

A.
B.
C.
D.
Answer: B
4)   

What type of maintenance is typically recommended to be done daily by the operator?

A.
B.
C.
D.
Answer: C
5)   

What is typically part of OEM's weekly maintenance schedule?

A.
B.
C.
D.
Answer: B
6)   

OEM usually recommends spindle taper cleaning:

A.
B.
C.
D.
Answer: D
7)   

What is the ideal frequency to replace CNC control batteries as per OEM?

A.
B.
C.
D.
Answer: C
8)   

If the OEM recommends a specific brand and grade of lubricant, what should be done?

A.
B.
C.
D.
Answer: C
9)   

What could happen if OEM-recommended backlash inspection is skipped?

A.
B.
C.
D.
Answer: C
10)   

Laser alignment of axis is usually done as per OEM recommendation:

A.
B.
C.
D.
Answer: C
11)   

What is the main purpose of preventive maintenance in CNC lathe machines?

A.
B.
C.
D.
Answer: C
12)   

Which part of the CNC lathe must be lubricated regularly to ensure smooth tool movement?

A.
B.
C.
D.
Answer: B
13)   

Which of the following is a routine maintenance task for CNC lathe?

A.
B.
C.
D.
Answer: C
14)   

In CNC lathes, coolant concentration is checked regularly to:

A.
B.
C.
D.
Answer: C
15)   

What action should be taken if a CNC lathe displays a servo alarm?

A.
B.
C.
D.
Answer: C
16)   

What is a daily maintenance task for CNC VMC machines?

A.
B.
C.
D.
Answer: C
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.
Answer: B
21)   

What is the primary benefit of following OEM preventive maintenance?

A.
B.
C.
D.
Answer: C
22)   

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

A.
B.
C.
D.
Answer: C
23)   

OEM typically recommends air filter cleaning in:

A.
B.
C.
D.
Answer: C
24)   

Coolant concentration must be maintained as per OEM to avoid:

A.
B.
C.
D.
Answer: B
25)   

OEM specifies ATC arm inspection during:

A.
B.
C.
D.
Answer: C