22. Rapid cooling of metal parts creates soft structure in the metal. Select one: O True O False
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- The needle form of mullite offering substantial increasing in structural strength and heat resistance? (Provided that the answer is scientific brief)The needle form of mullite offering substantial increasing in structural strength and heat resistance?Describe and name the phases the structural changes that occur when 0.5 % carbon – steel is . 1- Slowly cooled in furnace from 800 oC. 2- Cooled in air from 800 oC. 3-Quenched from 900 oC in water.
- Identify the type of process in which the smithy operations are applied to gold. a. Extrusion operation b. Hand forging operation c. Drop forging operation d. Drawing operationConsider a high-strength advanced titanium blade to be used in a bespoke engine in a test research power plant. What kind of metal production technique would be best suited for manufacturing it? Select one: a. Continuous casting b. Die casting c. Investment casting d. Weldingestimate the hot forming temp. for aluminum has a melting point 660°C