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Choose the correct option regarding metal-active gas welding?

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Choose the correct option regarding metal-active gas welding?

(a) not suitable for thin metal sheets

(b) need to stop welding to change the consumed electrode

(c) equipment is not expensive

(d) high deposition rate

I got this question by my college professor while I was bunking the class.

My doubt stems from Welding Process topic in division Welded Connections of Design of Steel Structures

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The correct answer is (d) high deposition rate

Explanation: Gas-shielded metal arc welding is also called metal-active gas welding. The following are some advantages of gas-shielded metal arc welding : (i) suitable for metals as thin as 0.58mm, (ii)all welding positions can be used, (iii) no need to stop welding to change the consumed electrode, (iv)high deposition rates. Some disadvantages are : (i)welding equipment is expensive and complicated, (ii)cannot be performed outdoors in greater than 8km/hr breeze.

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