WELDING AND HEAT TREATMENT - Practice Mode

1) What is the colour of acetylene gas cylinder?
Correct Answer: Maroon
2) What is the colour of oxygen gas cylinder?
Correct Answer: Black
3) What is the colour of hose carrying oXygen?
Correct Answer: Black
4) What is the colour of hose carrying acetylene?
Correct Answer: Maroon
5) Which type of hardening used eddy current in the metal bar?
Correct Answer: Induction hardening