WELDING - Quiz

1) What colour is painted on oxygen cylinder?

Maroon colour Red colour Black colour Yellow colour

2) What is the pressure range between the oxygen cylinder?

90 to 120 kg/cm² 120 to 150 kg/cm² 15 to 16 kg/cm² 14 to 15 kg/cm²

3) What is the pressure range between the dissolved acetylene gas cylinder?

14 to 15 kg/cm² 15 to 16 kg/cm² 120 to 150 kg/cm² 110 to 120 kg/cm²

4) What is the root gap provided in pipe of wall thickness 3 mm for leftward welding technique?

1.5-2.5 mm 2.5-3.0 mm 3.0-4.0 mm 4.0-5.0 mm

5) What are the weld positions for pipes by gas welding?

1G, 2G and 5G 1G, 2G and 6G 1G, 2G and 3G 1G, 2G and 4G