Principles of Shielded Metal Arc Welding

What is the typical welding position used in Shielded metal arc welding?

a: Flat Explanation

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b: Horizontal Explanation

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c: Vertical Explanation

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d: All of the above Explanation

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What is the typical shielding gas used in Shielded metal arc welding?

a: Argon Explanation

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b: Carbon dioxide Explanation

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c: Oxygen Explanation

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d: None of the above Explanation

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What is the purpose of the slag in Shielded Metal Arc Welding?

a: To provide electrical conductivity Explanation

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b: To provide filler material for the weld Explanation

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c: To protect the weld from atmospheric contamination Explanation

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d: None of the above Explanation

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How arc is generated in SMAW?

a: By striking the electrode against the workpiece Explanation

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b: By using a non-consumable tungsten electrode Explanation

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c: By using a wire electrode Explanation

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d: Using a gas shield to ionize the air Explanation

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How does the electrode coating affect the welding process in SMAW?

a: It determines the direction of the current flow Explanation

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b: It affects the melting rate and deposition rate of the electrode Explanation

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c: It determines the type of shielding gas used Explanation

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d: It has no effect on the welding process Explanation

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Which of the following is not a type of electrode coating used in SMAW?

a: Rutile Explanation

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b: Calcium Fluoride Explanation

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c: Cellulose Explanation

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d: Nickel Explanation

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Chipping process after SMAW is done to

a: remove residual stress Explanation

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b: Remove slag Explanation

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c: improves weld quality Explanation

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d: all of the above Explanation

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which of the following type of materials can not be welded using SMAW technique?

a: High melting point materials Explanation

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b: Low melting point materials Explanation

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c: high carbon steel Explanation

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d: all of the above Explanation

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In which of the following welding positions electrode is held at 45° to the workpiece?

a: Horizontal position Explanation

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b: Vertical position Explanation

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c: Flat position Explanation

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d: Overhead position Explanation

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