单项选择题
A.Absorb erosion of high velocity discharge stream B.Seal pump shaft against entry of air C.Isolate the outlet side from the inlet side D.Dampen the turbulent discharge flow
What is the best indication of the loading of a diesel ...
单项选择题What is the best indication of the loading of a diesel engine?（）
A.Oil temperature B.Manifold pressure C.Exhaust gas temperature D.Fuel consumption
What is NOT a responsibility of the tankerman in charge...
单项选择题What is NOT a responsibility of the tankerman in charge of loading an unmanned tank barge? （）
A.Enforcement of smoking restrictions B.Restricting vessels from coming alongside the barge C.Insuring that a combustible gas indicator is aboard D.Protecting cargo hose with chafing gear
What is NOT a precaution to be taken when topping off? ...
单项选择题What is NOT a precaution to be taken when topping off? （）
A.Reduce the loading rate B.Notify the engine room of the procedure C.Maintain communications with the dock man D.Give the operation your undivided attention
