单项选择题
A.The tank contains propylene B.The tank's volume is 1077 cubic feet C.There are three tanks in the shipment D.The tank contains an oxidizing material
A.No credentials are required since you operate on inland waters only B.Social Security card C.State driver's license with photo ID D.Merchant Mariner's Document
A.Cut in another IG fan to increase gas flow B.Open the pressure control valve until the pressure increases C.Open the tank isolation valve to the fully open position D.Reduce the pumping rate