Related Questions

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
Linde gas liquefaction process employs cooling
A By throttling
B By expansion in an engine
C At constant pressure
D None of these
Linde process of gas liquefaction employs
A Exchange of heat with colder stream
B Adiabatic expansion through a throttle valve (Joule-Thomson expansion)
C Adiabatic expansion against a piston or in a turbine
D Merely compressing the gas beyond its critical pressure
In TIG arc welding, the welding zone is shielded by an atmosphere of
A Helium gas
B Argon gas
C Either (A) or (B)
D None of these
For gas welding, the pressure desired at the welding torch for acetylene is
A 7 to 103 kN/m2
B 70 to 280 kN/m2
C 280 to 560 kN/m2
D 560 to 840 kN/m2
While current is shut down in the welding circuit, what kind of voltage exists between the output terminals of the welding machine?
A GTAW
B Open air cut voltage
C Kerf
D Gouging
A type of welding flows, which is the result of a perfect proportion and mixture of acetylene and oxygen and is used for fusion welding of steel and cast iron, is
A Carburizing flame
B Oxidizing flame
C Oxy-acetylene flame
D Neutral flame

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