A valve attached to line "H" in the illustration, should be opened __________. See illustration GS-0163.

Question

Accepted Answer

to drain moisture and dirt from the bottom of the tank

Answer

to back flush the pressure vessel with jet air

Answer

as a gravity discharge for the fluidized material if the discharge line becomes clogged

Answer

to precharge the bottom of the pressure vessel with dry nitrogen prior to discharging bulk material

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