【Daily Question】Question from Issue 20151208
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Participation reward: 2 Wealth. Reward for correct answer: 9 wealth. For low-temperature floor radiant heating, which of the following is NOT a design principle? ( ). A. There should be no joints in the parts buried underground. B. Plastic heating tubes should be selected according to grade 4 standards. C. The wall thickness of plastic heating tubes must be at least 1.8 mm. D. Steel pipes cannot be used downstream of copper pipes. [Production and Management Division] Seeking moderators and technical discussants to join us
For low-temperature floor radiant heating, which of the following is not a design principle? (d) A. There should be no joints in the parts buried underground. B. Plastic heating tubes should be selected according to grade 4. C. The wall thickness of plastic heating tubes must be at least 1.8 mm. D. Steel pipes cannot be used downstream of copper pipes
For low-temperature floor radiant heating, which of the following is not a design principle? (D) A. There should be no joints in the parts buried underground. B. Plastic heating tubes should be selected according to grade 4 standards. C. The wall thickness of plastic heating tubes must be at least 1.8 mm. D. Steel pipes cannot be used downstream of copper pipes
For low-temperature floor radiant heating, which of the following is not a design principle? (C) A. There should be no joints in the parts buried underground. B. Plastic heating tubes should be selected according to grade 4. C. The wall thickness of plastic heating tubes must be at least 1.8 mm. D. Steel pipes cannot be used downstream of copper pipes
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For low-temperature floor radiant heating, which of the following is not a design principle? (D) A. There should be no joints in the parts buried underground. B. Plastic heating tubes should be selected according to grade 4 standards. C. The wall thickness of plastic heating tubes must be at least 1.8 mm. D. Steel pipes cannot be used downstream of copper pipes
For low-temperature floor radiant heating, which of the following is not a design principle? (D) A. There should be no joints in the parts buried underground. B. Plastic heating tubes should be selected according to grade 4 standards. C. The wall thickness of plastic heating tubes must be at least 1.8 mm. D. Steel pipes cannot be used downstream of copper pipes
For low-temperature floor radiant heating, which of the following is not a design principle? (D) A. There should be no joints in the parts buried underground. B. Plastic heating tubes should be selected according to grade 4 standards. C. The wall thickness of plastic heating tubes must be at least 1.8 mm. D. Steel pipes cannot be used downstream of copper pipes