Gas Metal Arc Welding MCQ with Answers

Gas Metal Arc Welding MCQ with Answers

71) Which heat treatment process is employed to remove brittleness in a chisel?

Answer is:

Tempering

72) What is the operation of heating steel to specific temperature and cooling suddenly?

Answer is:

Quenching

73) What is the main purpose of 'Normalising' steel?

Answer is:

To produce fine grain of uniform structure

74) Which heat treatment process, if material is softened and suitable for machining?

Answer is:

Annealing

75) What is the name of heat treatment process where the steel is reheated to a suitable temperature below the critical point (heating) to improve the toughness and ductility?

Answer is:

Tempering

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