Insufficient space between the hull and bottom in shallow water will prevent normal screw currents resulting in ______.A.waste of powerB.sudden sheering to either sideC.sluggish rudder responseD.All of the above
Insufficient space between the hull and bottom in shallow water will prevent normal screw currents resulting in ______.
A.waste of power
B.sudden sheering to either side
C.sluggish rudder response
D.All of the above
相关考题：
The space between cylinder liner and jacket is called _____.A.the cooling waterB.the circulating waterC.the coolerD.the cooling water space
The distance from the still water level (corrected for tides and storm surge) to the bottom of the hull of a ship is the ______.A.air gapB.freeboardC.penetrationD.water depth
Air gap is the vertical distance between the bottom of the hull and the ______．A.Still water levelB.Wave crestC.Wave crest plus the charted water depth and tidal correctionsD.Wave crest plus the charted water depth and tidal correction and storm surge
The hull is divided up into a number of watertight compartments by ______．A.inner bottom plating and longitudinalsB.decks and bulkheadsC.double bottom girdersD.topside and hopper tank sloping plating and longitudinals
To prevent a wooden hull from leaking you caulk it ______．A.after drydocking，while the hull is moistB.after drydocking，and the hull has driedC.afloat，where it is leakingD.afloat，in all accessible areas
水泥涂料用于淡水舱和双层底舱。（）A、Primer is used for sea water tanks and double bottom tanks.B、Cement wash is used for fresh water tanks and double bottom tanks.C、Varnish is used for fresh water tanks and double bottom tanks.D、Bitumen is used for fresh water tanks and double bottom tanks.
（）is applied to the area of the ship’s hull which is out of water when the ship is loaded.A、Boottopping paintB、Topside paintC、Bottom paintD、Primer
在VRP中，PQ的各队列的缺省长度为（）。A、top－20middle－40normal－60bottom－80B、top－20middle－20normal－20bottom－20C、top－10middle－20normal－40bottom－80D、top－80middle－60normal－40bottom－20
单选题A shallow dish positioned at the normal water level is connected to the（）This enables the blowing down or removal of scum and impurities from the water surface.Amain stern stop valveBauxiliary steam stop valveCscum valveDblow down valve
单选题If a tow sinks in shallow water，you should（）.Arelease it immediatelyBattempt to beach it before it goes underCpay out cable until it's on the bottom and place a buoy on the upper endDshorten cable to keep it off the bottom
单选题The hull is divided up into a number of watertight compartments by（）.Ainner bottom plating and longitudinalsBdecks and bulkheadsCdouble bottom girdersDtopside and hopper tank sloping plating and longitudinals
单选题The distance from the still water level (corrected for tides and storm surge) to the bottom of the hull of a ship is the（）.Aair gapBfreeboardCpenetrationDwater depth
单选题Insufficient space between the hull and bottom in shallow water will prevent normal screw currents resulting in （）.Awaste of powerBsudden sheering to either sideCsluggish rudder responseDAll of the above
单选题（）is used to prevent the entry of sea water to the machinery space.AA special sealing glandBPropellerCTailshaftDSterntube bearing
单选题Your vessel is listing 4° to port and has a short rolling period. There is loose firefighting water in the hull. The ship is trimmed down by the head with one foot of freeboard at the bow. Which action should you take FIRST?（）APress up the slack NO.1 starboard double bottom tankBPump out the forepeak tankCEliminate the water in the 'tween decks aft
单选题在华为Quidway系列路由器中，缺省情况下PQ的各队列的默认长度为（）。Atop － 20 middle － 40 normal － 60 bottom － 80Btop － 20 middle － 20 normal － 20 bottom － 20Ctop － 10 middle － 20 normal － 40 bottom － 80Dtop － 80 middle － 60 normal － 40 bottom － 20
单选题Air gap is the vertical distance between the bottom of the hull and the（）.Astill water levelBwave crestCwave crest plus the charted water depth and tidal correctionsDwave crest plus the charted water depth and tidal correction and storm surge
单选题A common occurrence when a vessel is running into shallow water is that（）.Athe wake is less pronouncedBthe vessel is more responsive to the rudderCsquat will cause a decrease in bottom clearance and an increase in draftDAll of the above
单选题To prevent a wooden hull from leaking you caulk it（）.Aafter drydocking，while the hull is moistBafter drydocking，and the hull has driedCafloat，where it is leakingDafloat，in all accessible areas
单选题在VRP中，PQ的各队列的缺省长度为（）。Atop－20middle－40normal－60bottom－80Btop－20middle－20normal－20bottom－20Ctop－10middle－20normal－40bottom－80Dtop－80middle－60normal－40bottom－20
单选题The clearance volume for a single stage compressor is defined as the space created between the （）.Atop of the piston and bottom side of head, with the piston at BDCBpiston and head, including the space around the piston to the top of the upper ring and under the valves, with the piston at TDCCbottom of the piston and bottom side of the head at TDC, regardless of upper ring location and valve placementDtop of the piston and bottom side of the head at TDC as compared to that which exists between the top of the piston and bottom side of head at BDC
单选题What could cause a significant difference between actual chain tension and the tension measured by the tensiometer? （）AThe type of anchor and mooring line being usedBThe type of bottom in which the ship is anchoredCA significant difference between air and water temperatureDThe chain contacting a chock or fairlead between the tensiometer and the lower swivel fairlead
单选题The space between cylinder liner and jacket is called （）.Athe circulating tankBthe scavenge boxCthe cooling water spaceDthe cooler
单选题The distance between the bottom of the hull and the waterline is called （）.AtonnageBreserve buoyancyCdraftDfreeboard
单选题Longitudinal and transverse separtions between the tanks,which are used to prevent liquids from leaking from one double bottom tank into the other ,are called（）.Adouble bottomsBcofferdamCnavigating bridgeDsuperstructure
单选题Your vessel is listening 4°to port and has a short rolling period. There is loose firefighting water in the hull. The ship is trimmed down by th end with one foot of freeboard at the bow. Which action should you take first?（）APress up the slack No.1 starboard double bottom tankBPump out the forepeak tankCEliminate the water in the tween decks aftDJettision stores out of the paint locker in the focsle
单选题The double bottom in a vessel is a space comprised of （）Aplating forming the engine room tank topBdoubler plating installed over the flat keel plateCa watertight boundary formed by the inner bottomDcompartments between the inner and outer bottoms