【Daily Topic】【HVAC Version 20170524】
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Participation reward: 2 Wealth. Correct reward: 6 wealth. Multiple-choice question: In the layout and installation of indoor gas pipes, ( ) is incorrect. A. The inlet pipe should lead directly into the gas room; it must not pass through electrical rooms, bedrooms, bathrooms, or air ducts. B. Threaded plugs and tees should be installed at both the top and bottom of the gas vertical pipe, with a diameter of no less than 15 mm. C. The pipes should have a slope of more than 0.005, sloping towards the city’s distribution pipes. D. The customer’s branch pipes should be installed in the kitchen, at a height of no less than 1.7 m. B
B. Threaded plug tees should be installed at the top and bottom of the gas riser, with a diameter of not less than 15 mm