MCQ - TNPSC JTO
JTO - 538 - Industrial Robotics and Digital Manufacturing
538 - Preventive Maintenance and Basic Trouble Shooting
65)
If welding arc is unstable, check:
A.
B.
C.
D.
66)
Loss of robot program data is often caused by:
A.
B.
C.
D.
67)
If the welding torch overheats, the cause may be:
A.
B.
C.
D.
68)
Fault codes in robot controllers help to:
A.
B.
C.
D.
69)
If gas flow suddenly stops during welding, first check:
A.
B.
C.
D.
70)
Excessive wire feed speed can cause:
A.
B.
C.
D.
71)
If a robot joint does not move, possible cause is:
A.
B.
C.
D.
72)
A robot’s loss of position accuracy may be due to:
A.
B.
C.
D.
73)
If weld penetration is too deep, the likely cause is:
A.
B.
C.
D.
74)
Inconsistent weld bead may be due to:
A.
B.
C.
D.
75)
If the robot stops repeatedly during operation, check:
A.
B.
C.
D.
76)
Sluggish robot motion may be caused by:
A.
B.
C.
D.
77)
If arc starting is difficult, check:
A.
B.
C.
D.
78)
Noise from gearbox may indicate:
A.
B.
C.
D.
79)
If weld bead has porosity, possible cause is:
A.
B.
C.
D.
80)
In troubleshooting, the first step is to:
A.
B.
C.
D.