WELDABILITY OF STEEL - Practice Mode

1) What is the base for selecting the nozzle size for gas welding of a pipe?

Groove angle Welding position Diameter of pipe Pipe wall thickness

Correct Answer: Pipe wall thickness

2) What is the welding position as per ASME for a pipe joint held vertically, welding in a horizontal line?

1G 2G 5G 6G

Correct Answer: 2G

3) What procedure is followed in welding pipe in 5 G position?

Rotate pipe and weld vertically Pipe not rotated weld verticality Pipe not rotated and pipe axis 450 Pipe welded 12'o clock to 6'o clock downhill

Correct Answer: Pipe welded 12'o clock to 6'o clock downhill

4) What size of CCMS filler rod is used for finish run of Dia 50mm pipe root welded using Dia 1.65 filler?

Dia 1.6 mm Dia 3.0 mm Dia 3.5 mm Dia 4.0 mm

Correct Answer: Dia 3.0 mm

5) What size of electrode is used to weld 5 mm wall thickness pipe?

Dia 2.5 mm Dia 3.15 mm Dia 4.00 mm Dia 5.00 mm

Correct Answer: Dia 3.15 mm

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