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WELDING TECHNIQUES
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1) Which of the following gas is used in TIG welding?
Helium
Oxygen
Hydrogen
Carbon dioxide
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Correct Answer: Helium
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1) Which of the following gas is used in TIG welding?
Helium
Oxygen
Hydrogen
Carbon dioxide
2) Which of the accessories should be worn during overhead welding?
Helmet
Sun glass
Hand screen
Welding goggles
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Correct Answer: Helmet
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2) Which of the accessories should be worn during overhead welding?
Helmet
Sun glass
Hand screen
Welding goggles
3) Which one of the following do not assist fire?
Fuel
Oxygen
Ignition
Nitrogen
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Correct Answer: Nitrogen
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3) Which one of the following do not assist fire?
Fuel
Oxygen
Ignition
Nitrogen
4) Which type of polarity is used in aluminium welding?
Rectifier set
AC Transformer
Reverse polarity
Straight polarity
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Correct Answer: Reverse polarity
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4) Which type of polarity is used in aluminium welding?
Rectifier set
AC Transformer
Reverse polarity
Straight polarity
5) What is polarity?
Circuit of current
Direction of current
Open circuit of current
Opp direction of current
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Correct Answer: Direction of current
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5) What is polarity?
Circuit of current
Direction of current
Open circuit of current
Opp direction of current
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