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WELDING TECHNIQUES
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1) Which type of arc produces humming sound?
Long arc length
Short arc length
Normal arc length
Too long arc length
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Correct Answer: Long arc length
Question Details
1) Which type of arc produces humming sound?
Long arc length
Short arc length
Normal arc length
Too long arc length
2) Which types of arc length used in thin sheet metals?
Long arc length
Short arc length
Medium arc length
Deep short arc length
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Correct Answer: Long arc length
Question Details
2) Which types of arc length used in thin sheet metals?
Long arc length
Short arc length
Medium arc length
Deep short arc length
3) Which type polarity used in sheet metal welding?
Rectifier set
AC Transformer
Reverse polarity
Straight polarity
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Correct Answer: Reverse polarity
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3) Which type polarity used in sheet metal welding?
Rectifier set
AC Transformer
Reverse polarity
Straight polarity
4) Which polarity is used in welding with heavy and super heavy coated electrodes?
AC Transformer
Reverse polarity
Straight polarity
AC Motor generator
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Correct Answer: Reverse polarity
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4) Which polarity is used in welding with heavy and super heavy coated electrodes?
AC Transformer
Reverse polarity
Straight polarity
AC Motor generator
5) Which polarity used in welding cast iron?
Rectifier set
AC Transformer
Reverse polarity
Straight polarity
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Correct Answer: Reverse polarity
Question Details
5) Which polarity used in welding cast iron?
Rectifier set
AC Transformer
Reverse polarity
Straight polarity
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