Hamad Metallurgy 05/11/2020 A. Tempering B. Work hardening C. Age hardening D. Precipitation hardening Related Mcqs: Flux is used during casting to________________?A. Remove the oxides formed on the gold alloy B. Lower the melting point C. Replace casting wax D. Speed the burnout process... The yield strength of AUstenite (NiTi alloy) is______________?A. 100 Mpa B. 240 Mpa C. 560 Mpa D. 700 Mpa... Function of wetting agents used in casting procedure is_________________?A. To felicitate wetting of ring liner B. To felicitate mixing investment C. To reduce contact angle of liquid with max surface D. For better wax elimination... Microstructure of cobalt chromium alloy in cast condition is______________?A. Fibrous B. Homogeneous C. Inhomogenous D. amorphous... The rapid decrease in tensile strength and increase in ductility of a wrought metal is seen in which stage of annealing ?A. Recovery stage B. Recrystallisation stage C. Grain growth stage D. All of the above...
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