113. Seam welding is
A.Arc welding
B.Multi spot welding
C.Continuous spot welding
D.Used for forming sound bars
114. In resistance welding the electrode material is made of
A.Carbon steel
B.Stainless steel
C.Copper
D.High speed steel
115. Submerged arc welding uses following type of electrode
A.Bare rods
B.Coated electrodes
C.Core wires
D.Copper electrodes
116. The flux in submerged arc welding is in the form of
A.Coating on the electrodes
B.Core wires
C.Granules
D.An inert gas
117. The arc in atomic hydrogen welding takes place between the
A.Parent metals
B.Two tungsten electrodes
C.Non-consumable tungsten electrode and workpiece
D.Consumable tungsten electrode and filler rod
118. The arc in argon arc welding takes place between the
A.Parent metals
B.Consumable tungsten electrode and workpiece
C.Non-consumable tungsten electrode and filler rod
D.Non-consumable tungsten electrode and workpiece
119. The following gas is used in tungsten inert-gas welding process
A.Acetylene
B.Oxygen
C.Hydrogen
D.Argon
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