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A full “H” size cylinder is used to provide oxygen to an air-entrainment mask at 6 L/min. How long will the tank last?  

Which type of valve operates on the principle that as the pressure in a cylinder increases, the temperature of the gas increases?  

Which of the following are safety features incorporated into a medical gas piping system?      1. Zone valves      2. Shut off valves      3. Pressure-relief valves      4. In-line oxygen analyzers  

Which of the following types of oxygen storage device are appropriate for home care?      1. Compressor      2. Concentrator      3. Bulk oxygen system      4. Liquid oxygen cylinder  

An “E” size cylinder with 1600 psig is used to provide oxygen to a simple mask running at 5 L/min during a transport. The cylinder will last  

Which agency is responsible for the regulations that govern the manufacture, storage, and transport of compressed gases?  

A cylinder has “DOT 3AA 2015” stamped on it. What does the 3AA stand for?  

Which of the following gases support combustion?      1. Air      2. Oxygen      3. Helium      4. Carbon dioxide  

Safety systems for medical gases are recommended and provided by  

Which safety system is used with small cylinders, sizes “A” through “E”?