【Daily Question: Pump Equipment】True or False Question, 4/23/2019

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bk12.jpg Rules for true/false questions: 1. If both answers are incorrect, +2 wealth for active participation; if one answer is correct and the other is incorrect, +5 wealth; if both answers are correct, +8 wealth. 2. If only one answer is provided, unless it is clear which question’s answer it is, a correct answer earns +5 wealth points, while an incorrect answer earns +2 wealth points; in all other cases, it is counted as active participation and awards +2 wealth points. 3. Rewards for answers are available once per person only. 4. Each reply allows scoring for only one person. 5. The answer and its explanation will be visible after responding. 6. The reward is valid for 48 hours; no reward will be given after that period. Studying* and winning awards again; come by here every day. 1. Water is the liquid among naturally occurring substances with the highest specific heat capacity, which is why it is often used as a cooling and heat transfer medium ( ) ； 2. The viscosity grades of industrial lubricants are ISO viscosity classes; they only indicate the dynamic viscosity of the oil at 40 degrees Celsius, and do not reveal the brand or intended use of the oil. These details must be specified separately when placing an order ( ) ； 1. Correct ； 2. Correct