Question

Which of the following is an application of hot working?

(a) Shapes the metal

(b) Finishing

(c) Thinning of material

(d) Dimensional accuracy

The question was asked in final exam.

I'm obligated to ask this question of Cryogenics, Hot and Cold Working of Metals topic in division Mechanical Working Processes & Phase Transformations of Engineering Material & Metallurgy

Answer 1

Correct choice is (a) Shapes the metal

Best explanation: Hot working of materials is done to help shape the metal and produce raw material for cold working. Cold working, on the other hand, is used for finishing, thinning, and improving mechanical properties while also improving dimensional accuracy of the metal.