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Hydrogen

Teacher: Jacob Cantrell
Horizontales
American Society of Mechanical Engineers
A low temperature ____ switch shall be provided in the vaporizer discharge piping to prevent flow
Welding or cutting operations, and smoking shall be _____ while hydrogen is in the room
Storage sites shall be ____ and posted to prevent entrance by unauthorized personnel
The vaporizer and its piping shall be adequately _____ on the hydrogen and heating media sections with safety relief devices
Hydrogen containers shall be equipped with ____ relief devices
_____ hydrogen supply units shall be electrically bonded to the system before discharging hydrogen
If protective walls are provided, they shall be constructed of _____ materials
Adequate _____ to the outdoors shall be provided
Systems shall be located ___ ground
Systems shall not be located ___ electric power lines
portable container shall be legibly marked with the name
Heating, if provided, shall be by ____, hot water, or other indirect means
Containers shall be ____ secured and stored in an upright position
Adequate ____ shall be provided for nighttime transfer operation
After installations, all piping, tubing, and fittings shall be ____
Verticales
The storage containers shall be located so that they are readily accessible to ___ supply equipment
The mobile liquefied hydrogen supply unit shall be ___ for static electricity
Adequate ____ to the outdoors shall be provided
A qualified person shall be in _____ at all times while the mobile hydrogen supply unit is being unloaded
Containers shall be _____ against damage or injury due to falling objects or work activity in the area
The containers shall not be ____ by electric power lines, flammable liquid lines, flammable gas lines, or lines carrying oxidizing materials
Joints in piping and tubing shall preferably be made by ____
Department of Transportation
Valves, ____ regulators, and other accessories shall be suitable for hydrogen service