The pump used to send the bilge water into the oily water separator()the mixture because this might create finer oil particles.
A、should agitate
B、should not agitate
C、should mix up
D、should not add up
A、should agitate
B、should not agitate
C、should mix up
D、should not add up
A、booster pump coming on the line and discharging properly B、booster pump failing to start C、booster pump being lined up in the wrong direction D、ship's pump speeding up
A、two fuel oil transfer pumps provided where one is to be independent of the main engine B、two fuel oil transfer pumps, with a combined capacity exceeding the maximum consumption of the main engine C、engine driven transfer pumps and only used in constant speed applications D、the capacity of the engine driven pump exceed the consumption rate of the engine to which it is attached
A、prevent an internal explosion in the pump when it is overheated B、enable a visual inspection of the pump while it is running C、insure a proper alignment of the pump coupling to the driver D、accommodate for friction between the impeller and the easing
A、Lock the turbine rotor and slowly bleed in steam until operating temperature is reached B、Run the pump at high speed with the discharge valves closed C、Run the turbine at slow speed with the pump disconnected D、Shut the discharge valve and run the pump at slow speed
A、In order for a fluid to be pumped, a fluid must be made to flow B、A substance must be cold in order for it to be pumped C、The kinetic energy imparted by the pump can be used to force a liquid through a hydraulic system D、A pump must receive its energy from an external source
A、cause loss of hydraulic oil from the system B、result in extreme damage to the pump C、cause damage to the pump ff not continually drained from the pump casing D、result in the system high side pressure to substantially drop off
A、You can detach from a data pump export job and reattach later. B、Data pump uses parallel execution server processes to implement parallel import. C、Data pump import requires the import file to be in a directory owned by the oracle owner. D、The master table is the last object to be exported by the data pump. E、You can detach from a data pump import job and reattach later.
A、pump must always be primed B、volute must impart a radial and rotary motion of the water suction side C、connection must guide the liquid to the lantern rings D、stuffing box should not be allowed any water leakage
A、maintain radial alignment between the pump impeller and casing B、absorb all impeller shaft end thrust C、prevent water leakage to the atmosphere D、prevent wear of the pump casing and/or impeller
A、on line to the fire main B、kept available for use on the fire main at all times C、capable of being connected to the fire main D、rated at or above 125 psi