MCQ - TNPSC JTO
JTO - 440 - Welder
440 - Unit VIII Arc Welding Electrode
17)
Common electrode diameters used in manual arc welding are:
A.
B.
C.
D.
Answer: B
20)
For welding thin sheet metal, the suitable electrode diameter is:
A.
B.
C.
D.
21)
In BIS coding, the letter ‘E’ in E6013 stands for:
A.
B.
C.
D.
22)
In AWS code E6013, ‘60’ represents:
A.
B.
C.
D.
23)
The ‘1’ in E6013 indicates:
A.
B.
C.
D.
24)
The last two digits in AWS electrode code indicate:
A.
B.
C.
D.
25)
In BIS code, ‘E’ is followed by:
A.
B.
C.
D.
26)
E7018 electrode has tensile strength of:
A.
B.
C.
D.
27)
E7018 is mainly a:
A.
B.
C.
D.
28)
In AWS coding, ‘2’ in the third position (e.g., E7024) means:
A.
B.
C.
D.
29)
BIS code ‘E4313’ indicates tensile strength of:
A.
B.
C.
D.
30)
In AWS coding, ‘13’ in E6013 refers to:
A.
B.
C.
D.
31)
Moisture pickup in electrodes mainly causes:
A.
B.
C.
D.
32)
Which electrode type is most sensitive to moisture pickup?
A.
B.
C.
D.