During which of the listed piston stroke of a four-stroke/cycle diesel engine, is the piston moving downward?()
A、Intake stroke
B、Compression stroke
C、Exhaust stroke
D、Pumping stroke
A、Intake stroke
B、Compression stroke
C、Exhaust stroke
D、Pumping stroke
A、expansion space to leave in a tank B、flash point at which the fuel will burn C、temperature to which the fuel must be heated D、rate at which the fuel can be pumped during transfer operations
A、expansion space to leave in a tank B、flash point at which the fuel will burn C、temperature to which the fuel must be heated D、rate at which the fuel can be pumped during transfer operations
A、missing valve hand wheels B、dirty tank tops C、a large number of temporary repairs D、All of the above
A、ensure all machinery which may be used during maneuvering is in ready B、ensure an adequate reserve of power is available for steering gear and other requirements C、keep the main propulsion unit controls continuously attended when in the manual mode of operation D、ensure all machinery which may be used during maneuvering is running stably
A、The quantity of oil residues generated B、The capacity of sludge and bilge water holding tank C、The capacity of the oily water separator D、All of the above
A、Wet clothes during the day to decrease perspiration B、Get plenty of rest C、Keep the entrance curtains open D、All of the above
A、Lightning in the vicinity B、An approaching squall line C、A fire on the pier D、All of the above