When loading compressed gas, the liquid discharge valves should be: Question When loading compressed gas, the liquid discharge valves should be: Answers Closed. Removed. Opened. Explanation On a compressed gas tank, liquid discharge valves must always be kept closed, except during loading and unloading. This questions appears in the following tests: Alaska HazMat Arizona HazMat Hawaii HazMat Hawaii Tank Idaho HazMat Iowa HazMat Kentucky HazMat Maine HazMat Michigan HazMat Michigan HazMat New Mexico HazMat New Mexico HazMat North Carolina HazMat Ohio HazMat Rhode Island HazMat South Dakota HazMat Tennessee HazMat Virginia HazMat Washington HazMat
