Gate ME-2010 Question Paper With Solutions

Q 43. Two pipes of inner diameter 100 mm and outer diameter 110 mm each are joined by flash – butt welding using 30 V power supply. At the interface, 1 mm of material melts from each pipe which has a resistance of 42.4 Ω. If the unit melt energy is Gate ME-2010 Question Paper With Solutions, then time required for welding (in s) is

(A) 1

(B) 5

(C) 10

(D) 20

Answer: (C)

Explanation:

Gate ME-2010 Question Paper With Solutions

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