Q. Aluminum can be joined to another aluminum with the use of ________ solder.

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Q. Addition of ___________ increases the mechanical properties of a tin-lead solder.

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Q. What is the solidus temperature of tin-lead solders?

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Q. Tin-zinc solders are used for joining __________

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Q. Which of the following filler metals is used for carbide tip brazing?

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Q. Nickel filler metals are heat resistant up to ________ in short time service.

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Q. Which of the following filler metals is used in the electrical industry?

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Q. Copper and aluminum can be joined by brazing when _________ alloy is used.

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Q. The liquid temperature of the filler metal used in brazing is _________

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Q. The heat released in plasma arc welding is about ____________

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Q. Which electrode is used in the process of TIG welding?

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Q. ___________ is used as an inert gas for metal inert gas welding.

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Q. Which electrode material is used for welding of carbon steel?

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Q. Which electrode material is used for welding of wrought iron?

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Q. What is the level of efficiency of a transformer as a welding machine?

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Q. A small depression formed in the parent metal is called _________

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Q. What is the temperature of arc needed for arc welding?

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Q. What is the color of an acetylene cylinder in case of gas welding?

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Q. The pressure of acetylene in welding torch for oxy-acetylene welding is maintained at _________

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Q. The welding process in which no filler metal is used is classified as ___________

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