Most of the oxy-acetylene welding is done with

A oxidizing flame
B neutral flame
C carburizing flame
D all of these

Correct Answer: neutral flame

Neutral Welding Flame. The neutral flame has a one - to - one ratio of acetylene and oxygen. It obtains additional oxygen from the air and provides complete combustion. It is generally preferred for welding.
Bissoy MCQ
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Related Questions

Most of the oxyacetylene welding is done with
A Neutral flame
B Oxidizing flame
C Carburising flame
D All of these
In Oxyacetylene gas welding, temperature at the inner cone of the flame is around
A 3500°C
B 3200°C
C 2900°C
D 2550°C
The oxyacetylene gas used in gas welding produce a flame temperature of
A 1800°C
B 2100°C
C 2400°C
D 3200°C
Oxyacetylene reducing flame is used while carrying out welding on
A Alloy steel
B Grey cast iron
C Mild steel
D High carbon steel
In backhand welding, the angle between the welding rod and the work is ________ as compared to forehand welding.
A Same
B Less
C More
D None of these
In forehand welding, the angle between the welding torch and the work is ________ as compared to backhand welding.
A Same
B Less
C More
D None of these
If the flame of the welding torch is directed towards the progress of welding, then what will you call the welding technique?
A Forehand welding
B Flux cored ARC welding
C Electro slag welding
D Pulsed spray welding
In DC arc welding, if leads are arranged in work as Negative pole of the welding arc and electrode as Positive pole of the welding arc, the arrangement is known as
A Fusion
B Reverse polarity
C Forward welding
D Direct polarity
In which type of welding a gas shield, a consumable electrode is used and the welding can be done in all positions.
A ARC welding
B Submerged ARC welding
C TIG welding
D MIG welding
In a metal arc welding process, a gas metal arc welding with magnetized flux is used and can be done in all the positions i.e. flat position, vertical position or inclined position.
A Globular transfer
B Spray transfer
C GMAW practice
D Dip transfer

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