Welding MCQ with Answers

Welding MCQ with Answers

21) In gas cutting, if too little cutting oxygen is supplied

Answer is:

cutting the metal will be failed completely

22) The top edge is melted round and the cut face is not smooth in gas cutting. This is due to

Answer is:

the tip being hold too high

23) In a gas cut plate, the cut shows grooves and has deep drag lines. This is due to

Answer is:

tip too close to the cut surface

24) In a gas cut plate, the cut is high quality although there is some surface roughness caused by vertical drag lines. This is due to

Answer is:

too slow cutting speed

25) The size of the cutting nozzle used in oxy-acetylene cutting process depends mainly on

Answer is:

thickness of metal to be cut