【Daily Question】Question from Issue 20150824
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Participation reward: 2 Wealth. Reward for correct answer: 9 wealth. ( ) is referred to as the aging of steel. A. The phenomenon whereby, over time, the strength of steel increases while its plasticity and impact toughness decrease. B. The phenomenon of sudden failure of steel under long-term alternating loads, even when the stress is much lower than its tensile strength. C. The phenomenon where, after cold working, the yield strength of steel increases whereas its plasticity and toughness decrease. D. The phenomenon whereby, under long-term loading, the deformation of steel in the direction of the applied force increases slowly over time. New activities have started in the production area; the prizes are attractive, so hurry up and participate: 【Production Through Summer】 – the production area has entered the “training during the hot summer days” mode
One question per day; the answer to the question from 20150824 is A
A. The phenomenon whereby, over time, the strength of steel gradually increases while its plasticity and impact toughness decrease
A. The phenomenon whereby, over time, the strength of steel gradually increases while its plasticity and impact toughness decrease
A. The phenomenon whereby, over time, the strength of steel gradually increases while its plasticity and impact toughness decrease
D. The phenomenon whereby, under long-term loading, the deformation of steel in the direction of the applied force increases slowly over time
C. --------------------
(a) is referred to as the aging of steel. A. The phenomenon in which, over time, the strength of steel increases while its plasticity and impact toughness decrease. B. The phenomenon in which steel suffers sudden failure under long-term alternating loads, even when the stress is much lower than its tensile strength. C. The phenomenon in which, after cold working, the yield strength of steel increases whereas its plasticity and toughness decrease. D. The phenomenon in which, under long-term loading, the deformation of steel in the direction of the applied force increases slowly over time
A. The phenomenon whereby, over time, the strength of steel gradually increases while its plasticity and impact toughness decrease
A. The phenomenon whereby, over time, the strength of steel gradually increases while its plasticity and impact toughness decrease
A. The phenomenon whereby, over time, the strength of steel gradually increases while its plasticity and impact toughness decrease