WELDABILITY OF STEEL - Practice Mode

1) What is the process of heating steel to specific temperature and cooling suddenly?

Annealing Hardening Tempering Quenching

Correct Answer: Quenching

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

To control hardness To prevent cracking To make welding operation easier To produce fine grain of uniform structure

Correct Answer: To produce fine grain of uniform structure

3) What is the purpose of setting root gap?

To over some under cut To control distortion To get good penetration Gap get closed due to expansion

Correct Answer: To get good penetration

4) Which of the following metals have high thermal conductivity?

Brass Bronze Copper Aluminium

Correct Answer: Copper

5) What is the process of hot weld joint rapidly hammered to relieve internal stresses?

Peening Annealing Heat treatment Straightening

Correct Answer: Peening

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