ISRO Technician-B Welder Question Paper - 2017 (Set -1) with Answer Key

Arc welding process using two arcs established using a single electrode

Arc welding process in which arc is established and maintained using two carbon electrodes held with a special holder

Two joints simultaneously welded using a single electrode

None of the above

Atomic hydrogen welding

Laser beam welding

Tungsten inert gas welding

Electron beam welding

Low frequency AC voltage

Low frequency AC current

High frequency AC voltage

High frequency AC current

200

400

800

600

60

120

180

90