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

126)   

Poor feeding of weld wire in robots usually results from:

A.
B.
C.
D.
Answer: A
127)   

The correct way to store unused weld wire is:

A.
B.
C.
D.
Answer: A
128)   

In MIG welding robots, the wire is continuously:

A.
B.
C.
D.
Answer: A
129)   

Which maintenance activity ensures smooth wire feeding?

A.
B.
C.
D.
Answer: A
130)   

Wrong size of wire liner leads to:

A.
B.
C.
D.
Answer: A
131)   

When replacing weld wire, spool direction should ensure:

A.
B.
C.
D.
Answer: A
132)   

Bird-nesting in weld wire feeding refers to:

A.
B.
C.
D.
Answer: A
133)   

Incorrect wire feed speed may cause:

A.
B.
C.
D.
Answer: A
134)   

To avoid wire jamming, the maintenance team must check:

A.
B.
C.
D.
Answer: A
135)   

Which type of weld wire is more prone to rusting?

A.
B.
C.
D.
Answer: A
136)   

During inspection, if wire surface is oxidized, the action is:

A.
B.
C.
D.
Answer: A
137)   

What is the standard diameter of weld wires used in robotic MIG welding?

A.
B.
C.
D.
Answer: A
138)   

Frequent wire change in robots is required when:

A.
B.
C.
D.
Answer: A
139)   

Which part of the torch ensures correct current transfer to the weld wire?

A.
B.
C.
D.
Answer: A
140)   

Proper weld wire replacement contributes to:

A.
B.
C.
D.
Answer: A
141)   

Which gas is most commonly used as shielding gas in robotic MIG welding?

A.
B.
C.
D.
Answer: C
142)   

The purpose of shielding gas in welding is to:

A.
B.
C.
D.
Answer: B
143)   

Excessive moisture in shielding gas supply leads to:

A.
B.
C.
D.
Answer: A
144)   

The flow rate of shielding gas is usually measured in:

A.
B.
C.
D.
Answer: A
145)   

Which tool is typically used to check welding gas pressure?

A.
B.
C.
D.
Answer: C
146)   

A flowmeter is connected to the welding gas cylinder to:

A.
B.
C.
D.
Answer: B
147)   

Gas leakage in a welding system can be detected using:

A.
B.
C.
D.
Answer: A
148)   

Which safety precaution must be followed when handling gas cylinders?

A.
B.
C.
D.
Answer: A
149)   

Argon cylinders are usually painted:

A.
B.
C.
D.
Answer: C
150)   

Which welding gas produces deeper penetration but more spatter?

A.
B.
C.
D.
Answer: B