【Daily Topic】【HVAC Version 20170523】
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Participation reward: 2 Wealth. Correct reward: 6 Wealth. Multiple-choice question: The installation requirements for the common water tanks used in daily life and firefighting include the following aspects, with ( ) being the exception. A. Install hydraulic control devices to maintain the water level for domestic use and firefighting purposes. B. The outlet pipes for firefighting purposes should be connected to the bottom of the tank, and check valves should be installed there. C. Ensure that there is enough water available for firefighting purposes for at least 10 minutes. D. The outlet pipes for domestic use should also be connected to the bottom of the tank, with check valves installed as well. D
D. The water outlet pipe for domestic use should be connected to the bottom of the tank, and a check valve should be installed
The installation requirements for the common water tanks used for domestic use and firefighting include the following aspects, with ( D ) being an exception. A. Install a hydraulic control device to maintain the water level for domestic use and firefighting purposes. B. The outlet pipe for firefighting purposes should be connected to the bottom of the tank, and a check valve should be installed there. C. Ensure that there is enough water available for firefighting purposes for at least 10 minutes. D. The outlet pipe for domestic use should also be connected to the bottom of the tank, with a check valve installed as well
The outlet for domestic use in D should be above the water level line of the fire retention volume in the tank, and a check valve should be installed.