【Daily Question】Question from Issue 20151106
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This post was last edited by yuchenchf on 2015-11-6 at 14:40. Reward for participation: 2 Wealth. Reward for correct answer: 9 wealth. Which of the following low-temperature hot water floor radiant heating systems has an incorrect technical requirement regarding the pipes? ( ) A. Heating tubes buried in the filling layer should have no joints. B. Plastic heating tubes for underground hot water systems should be selected according to a classification of grade 4 based on the operating conditions. C. The thickness of plastic heating tubes must not be less than 1.8 mm. D. Steel pipes should not be used for the sections of the pipeline downstream of copper pipes. [Production and Management Division] Seeking moderators and technical discussants to join us
D. Steel pipes should not be used for the downstream sections of copper pipes
Which of the following low-temperature hot water floor radiant heating systems has an incorrect technical requirement regarding the pipes? (C) A. Heating tubes buried in the filling layer should have no joints. B. Plastic heating tubes for underground hot water systems should be selected for a grade appropriate to the operating conditions. C. The thickness of plastic heating tubes must not be less than 1.8 mm. D. Steel pipes should not be used for the sections of the pipeline downstream of the copper pipes
This post was last edited by Desert Fish on 2015-11-6 at 15:09. Which of the following technical requirements for piping in low-temperature hot water floor radiant heating systems is incorrect? (c) A. Heating tubes buried in the filling layer should have no joints. B. Plastic heating tubes for underground hot water systems should be selected for a grade suitable for the operating conditions. C. The thickness of plastic heating tubes must not be less than 1.8 mm. D. Steel pipes should not be used for the sections of the pipeline downstream of the copper pipes
Which of the following low-temperature hot water floor radiant heating systems has an incorrect technical requirement regarding the pipes? (C) The thickness of the plastic heating tube must not be less than 1.8 mm
Which of the following low-temperature hot water floor radiant heating systems has an incorrect technical requirement regarding the pipes? (C) The thickness of the plastic heating tube must not be less than 1.8 mm
Selected answer: C. The thickness of the plastic heating tube must not be less than 1.8 mm
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Which of the following low-temperature hot water floor radiant heating systems has an incorrect technical requirement regarding the pipes? (C) A. Heating tubes buried in the filling layer should have no joints. B. Plastic heating tubes for underground hot water systems should be selected for a grade appropriate to the operating conditions. C. The thickness of plastic heating tubes must not be less than 1.8 mm. D. Steel pipes should not be used for the sections of the pipeline downstream of the copper pipes
C. The thickness of the plastic heating tube must not be less than 1.8 mm
Which of the following low-temperature hot water floor radiant heating systems has an incorrect technical requirement regarding the pipes? (c) C: The thickness of the plastic heating tube must not be less than 1.8 mm