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English Translations » 【化工工程交流】 » 【HVAC Version】Daily Question 20180503

【HVAC Version】Daily Question 20180503

2018-05-03View Original

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The requirements for the valves installed in the fresh air duct sections of a clean air conditioning system are (). A. No electric shut-off valve is required. B. An electric valve should be installed. C. An electric shut-off valve or a control valve should be installed. D. Both an electric shut-off valve and a control valve should be installed. Answer: D
Reply #22018-05-03
D. Install electric shut-off valves and control valves
Reply #32018-05-03
D. Install electric shut-off valves and control valves
Reply #42018-05-03
D. Install electric shut-off valves and control valves
Reply #52018-05-03
D. Install electric shut-off valves and control valves

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Translated at 2026-07-21 03:59:16

Original: https://bbs.hcbbs.com/thread-1978455-1-1.html

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