Q. one of the following is a step for the procedureof precipitation hardening or age hardening?
✅ Correct Answer: (D)
all of the above
Engineering Metallurgy MCQs | Page - 8
Dear candidates you will find MCQ questions of Engineering Metallurgy here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Q. One of the following metal alloy is suitable for the precipitation hardenable alloy?
✅ Correct Answer: (D)
al-cu
Q. in case of flame hardening ,the heat source is in the form of …….
✅ Correct Answer: (C)
oxy-acetylen flame
Q. in flame hardening process,the metal surface after heating to high temperature is quenched with ……
✅ Correct Answer: (C)
water
Q. In case of carbonitriding,by diffusion of which elements the surface become harder of a metal
✅ Correct Answer: (B)
carbon and nitrogen
Q. some materials can not be work hardened at normal ambient temp. such as …….. Material.
✅ Correct Answer: (B)
indium
Q. In solid solution strengthening to ……the hardness of material.
✅ Correct Answer: (B)
increases
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