更多"Bilges may be pumped （）."的相关试题:
[单项选择]Accidental flooding of the engine room bilges by the bilge main is prevented by （）.
A. stop-check valves installed in the bilge manifolds
B. using a positive displacement reciprocating bilge pump
C. installing eductors in all bilge rose boxes
D. installing a swing check before each bilge valve
[单项选择]To thoroughly pump out the bilges using a horizontally mounted centrifugal pump, the （）.
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
[单项选择]If it becomes necessary to pump bilges while a vessel is in port, which of the following procedures should be followed?（）
A. Pump only if the discharge is led to a shore tank or barge
B. Pump only during the hours of darkness
C. Pump only on the outgoing tide
D. Pump only as much as is necessary
[单项选择]For pumping the bilges，a 54 foot long “T-Boat”，which is not a ferry，but is certificated to carry 30 passengers，must be fitted with at least（）.
A. one fixed power pump and one portable hand pump
B. one fixed hand pump and one portable hand pump
C. two portable hand pumps
D. either "A" or "B"
[单项选择]The lubricating oil is pumped from the drain tank, very often with （） in the suction line.
A. a filter
B. a strainer
C. a magnetic filter
D. a fine strainer
[单项选择]The cylinder oil is pumped into the cylinder (via non-return valves) when the piston rings pass the lubricating orifices during （）
A. the upward stroke
B. the downward stroke
C. the power stroke
D. the suction stroke
[单项选择]When oily ballast has been pumped overboard，an entry must be made in the（）.
A. Oil Record Book
B. Official Logbook
C. deck rough log
D. engine rough log
[单项选择]The starting air bottle should be pumped up to maximum pressure by the （） before start of the engine.
A. air compressor
B. refrigeration compressor
C. vacuum pump
D. purifier
[单项选择]Sea water temporarily pumped into tanks to simulate the increased vertical loading of environmental forces is termed（）.
A. preload
B. liquid variable load
C. fixed load
D. basic load
[单项选择]The oil was pumped up in the settle tank such a height that it （）.
A. spilled
B. overflowed
C. sprayed
D. injected
[单项选择]Fuel oil is pumped by means of （） from the bunker tanks.
A. a transfer pump
B. a bilge pump
C. a service pump
D. a vacuum pump
[单项选择]How many PPM of the oily water can be pumped out within 12 miles along the China coast line?（）.
A. at least 15 PPM
B. about 15 PPM
C. up to 15 PPM
D. no less than 15 PPM
[单项选择]Problems may （）
A. rise
B. jump
C. arise
D. lift
[单项选择]Distress signals may be（）.
A. red flares
B. smoke signals
C. sound signals
D. Any of the above
[单项选择]Maritime Administration personnel may be allowed in the pilothouse upon the responsibility of the（）.
A. Chief Officer
B. Navigator
C. most senior person present from the Maritime Administration
D. officer in charge of the watch
[单项选择]Fuels of different qualities may require advancing or retarding the injection timing, in addition to which if the injection timing is advanced when the engine is running at loads below the （）, then a saving in fuel can be achieved.
A. BHP
B. MCR
C. IHP
D. MEP
[单项选择]The ARPA may swap targets when automatically tracking if two targets（）
A. are tracked on reciprocal bearings
B. are tracked at the same range
C. are tracked on the same bearing
D. pass closely to each other
[单项选择]Good anchorage may be obtained anywany, generally mud and sand, in this water area. Vessel may have（）.
A. good towing ground
B. good holding ground
C. good grabbing ground
D. good dragging ground
[单项选择]Bleeding from a vein may be ordinarily controlled by（）.
A. applying direct pressure to the wound
B. heavy application of a disinfectant
C. pouring ice water directly onto the wound
D. pinching the wound closed
