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MCQ - Mechanical TNPSC JTO
JTO - 538 - Industrial Robotics and Digital Manufacturing - 538 - Preventive Maintenance and Basic Trouble Shooting

26)   

Common shielding gas for MIG welding is:

A.
B.
C.
D.
Answer: B
27)   

Low gas pressure during welding may cause:

A.
B.
C.
D.
Answer: A
28)   

Before replacing weld wire, first:

A.
B.
C.
D.
Answer: A
29)   

The gas regulator in welding controls:

A.
B.
C.
D.
Answer: B
30)   

Which is NOT part of welding preventive maintenance?

A.
B.
C.
D.
Answer: D
31)   

In robotics, weld wire feed problems are often caused by:

A.
B.
C.
D.
Answer: A
32)   

Before starting welding, verify:

A.
B.
C.
D.
Answer: A
33)   

In a preventive maintenance checklist, gas hoses should be inspected for:

A.
B.
C.
D.
Answer: B
34)   

Welding nozzle cleaning is necessary to:

A.
B.
C.
D.
Answer: A
35)   

When replacing welding wire, the wire should be cut:

A.
B.
C.
D.
Answer: B
36)   

Welding gas leaks can be detected using:

A.
B.
C.
D.
Answer: A
37)   

Welding contact tips should be replaced when:

A.
B.
C.
D.
Answer: A
38)   

Argon gas cylinders are usually colored:

A.
B.
C.
D.
Answer: C
39)   

CO₂ cylinders should be stored:

A.
B.
C.
D.
Answer: B
40)   

In welding maintenance, spatter buildup on the torch affects:

A.
B.
C.
D.
Answer: A
41)   

The primary tool used to measure gas pressure is:

A.
B.
C.
D.
Answer: B
42)   

An insulated screwdriver in a robotics tool kit is used for:

A.
B.
C.
D.
Answer: A
43)   

Which tool is used to tighten or loosen nuts and bolts?

A.
B.
C.
D.
Answer: B
44)   

A torque wrench is used to:

A.
B.
C.
D.
Answer: A
45)   

Multimeter is used in robotics maintenance for:

A.
B.
C.
D.
Answer: A
46)   

Which tool is used to cut welding wire?

A.
B.
C.
D.
Answer: A
47)   

The Allen key (hex key) is used to:

A.
B.
C.
D.
Answer: A
48)   

Which tool is used to check robot joint backlash?

A.
B.
C.
D.
Answer: A
49)   

Feeler gauges are used to measure:

A.
B.
C.
D.
Answer: A
50)   

Which tool helps locate loose electrical connections?

A.
B.
C.
D.
Answer: B