WELDING AND HEAT TREATMENT - Quiz

1) What is the colour of acetylene gas cylinder?

Red Maroon Black Peacock blue

2) What is the colour of oxygen gas cylinder?

Red Maroon Black Peacock blue

3) What is the colour of hose carrying oXygen?

Red Black Maroon Peacock blue

4) What is the colour of hose carrying acetylene?

Red Black Maroon Peacock blue

5) Which type of hardening used eddy current in the metal bar?

Flame hardening Nitriding hardening Induction hardening Annealing hardening