Weldability of Steel MCQ with Answers

Bent nozzle with three pre-heating holes

Straight nozzle with six pre-heating holes

Bent nozzle with six holes

Flute cutting straight with six holes

Suitable for brass, copper welding

Suitable for stellite, flame cleaning

Suitable for mildsteel, stainless steel

Suitable for pure aluminium, cast iron & brass welding

Oxygen, hydrogen & carbon

Carbon monoxide unburit ash

Hydrogen, dust particles, ash

Hydrogen, lime dust, ammonia & water vapour

120 to 150 Kg/cm²

110 to 150 Kg/cm²

100 to 150 Kg/cm²

90 to 150 Kg/cm²

30 Degree - 40 Degree

40 Degree - 50 Degree

50 Degree - 60 Degree

60 Degree - 70 Degree