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

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

26) Thermit welding process

Answer is:

Employs exothermic chemical reaction to develop high temperature

27) In which type of welding, molten metal is poured to join the metals

Answer is:

Thermit welding

28) During a metal cutting operation using an oxy-acetylene flame, the metal is cut due to

Answer is:

Intensive oxidation

29) Welding of steel structures on-site of a building is done by

Answer is:

Arc welding

30) Main criteria for selection of electrode in an arc welding process is

Answer is:

Thickness of material

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