ONLINE MCQ EE-ELECTRIC WELDING 3
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Attempt Free ONLINE MCQ EE-ELECTRIC WELDING 3 Here. Read The Important Electrical MCQ From Below.
Q21. For arc welding, D.C. is produced by which of the following ?
A. Motor-generator set
B. Regulator
C. Transformer
D. None of the above
Ans. A
Q22. In seam welding
A. the work piece is fixed and disc electrodes move
B. the work piece moves but rotating electrodes are fixed
C. any of the above
D. none of the above
Ans. C
ONLINE MCQ EE-ELECTRIC WELDING 3
Q23. Galvanising is a process of applying a layer of
A. aluminium
B. lead
C. copper
D. zinc
Ans. D
Q24. During carbon arc welding if electrode is connected to positive
A. arc will be dull
B. arc will not strike
C. metal will not melt
D. carbon will have tendency to go into the weld joint
Ans. D
Q25. Which of the foK-wing methods is normally not preferred for welding of chromium molyblenum steels ?
A. Oxyacetylene welding
B. Resistance welding
C. Thermit welding
D. Submerged arc welding
Ans. C
ONLINE MCQ EE-ELECTRIC WELDING 3
Q26. The welding load is always
A. continuous but varying
B. continuous and constant
C. intermittent
D. none of the above
Ans. C
Q27. Steel rails are welded by
A. Gas welding
B. Thermit welding
C. Resistance welding
D. Argon arc welding
Ans. B
Q28. ____ welding process uses consumable electrodes.
A. TIG
B. MIG
C. Laser
D. All of the above
Ans. B
ONLINE MCQ EE-ELECTRIC WELDING 3
Q29. In arc welding major personal hazards are
A. flying sparks
B. weld spatter
C. harmful infrared and ultra-violet rays from the arc
D. all of the above
Ans. D
Q30. A seamless pipe has
A. steam welded joint
B. spot welded joint
C. arc welded joint
D. no joint
Ans. D
ONLINE MCQ EE-ELECTRIC WELDING 3
