【Daily Question】Utilities - HVAC - 20200107
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Regarding the exhaust outlets for accident ventilation, which of the following does not comply with the regulations? A. It should not be installed in areas where people frequently stay or walk through. B. The exhaust outlets must not face areas under aerodynamic shadowing or in regions with positive pressure. C. When the exhaust gas contains flammable gases, the distance between the exhaust outlet of the emergency ventilation system and any locations where sparks might fall should be greater than 10 m. D. The horizontal distance between the exhaust outlet and the air inlet of the mechanical ventilation system should be at least 20 m. Answer: C
C. When the exhaust gas contains flammable gases, the outlet of the emergency ventilation system should be more than 10 m away from any location where sparks might fall