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English Translations » 历史存档[信息] » 【Weekly Topic】【 HVAC Version 20160627】

【Weekly Topic】【 HVAC Version 20160627】

2016-06-27View Original

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Participation reward: 2 Wealth. Reward for correct answer: 9 wealth. Which of the following statements regarding fan selection is correct? （ ） A. When selecting the air volume of a fan, a 15% safety factor should be taken into account. B. Since ducted fans are easy to connect and do not take up space in the machine room, they should be used as much as possible. C. In high-altitude areas with low pressure, the total pressure of the fan increases. D. As system resistance increases, the energy consumption of the fan does not necessarily increase. 【Production and Management Division】We are seeking moderators and technical discussants to join us; announcement regarding the “I’m Saving Energy, Where Are You?” event in the petrochemical sector
Reply #22016-06-27
A. When selecting the air volume of a fan, a 15% safety factor should be taken into account
Reply #32016-06-27
D. As system resistance increases, the energy consumption of the fan does not necessarily increase.
Reply #42016-06-27
A. When selecting the air volume of a fan, a 15% safety factor should be taken into account.
Reply #52016-06-27
Among the following statements regarding fan selection, the correct option is (A). A. When selecting the air volume of a fan, a 15% safety factor should be taken into account. B. Since ducted fans are easy to connect and do not take up space in the machine room, they should be used as much as possible. C. In high-altitude areas with low pressure, the total pressure of the fan increases. D. As system resistance increases, the energy consumption of the fan does not necessarily increase.
Reply #62016-06-27
Among the following statements regarding fan selection, the correct option is (A). A. When selecting the air volume of a fan, a 15% safety factor should be taken into account. B. Since ducted fans are easy to connect and do not take up space in the machine room, they should be used as much as possible. C. In high-altitude areas with low pressure, the total pressure of the fan increases. D. As system resistance increases, the energy consumption of the fan does not necessarily increase.
Reply #72016-06-27
A. When selecting the air volume of a fan, a 15% safety factor should be taken into account

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Translated at 2026-07-20 23:57:20

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