[单选题]The time required to incline from port to starboard and back to port again is called（）.A . initial stabilityB . range of stabilityC . inclining momentD . rolling period
[单选题]What is the definition of transverse metacenter?（）A . The distance between the actual center of gravity and the maximum center of gravity that will still allow a positive stabilityB . The point to which G may rise and still permit the vessel to posse
[单选题]Fighting a fire in the galley poses the additional threat of（）.A . contaminating food with extinguishing agentB . spreading through the engineering spaceC . loss of stabilityD . a grease fire in the ventilation system
[单选题]Initial stability of a vessel may be improved by（）.A . removing loose waterB . adding weight low in the vesselC . closing crossover valves between partly filled double bottom tanksD . All of the above
[单选题]The angle of loll is a stability term which applies to a floating ship with（）.A . off-center loadingB . stiff characteristicsC . excessive pitch or rollD . negative initial stability
[单选题]Cross curves of stability show which of the following（）.A . The righting arms at various angles of inclination and displacementB . The metacentric height at large angles of heelC . The height of the center of buoyancy at various anglesD . The metacen
[单选题]Initial stability refers to stability（）.A . at small angles of inclinationB . when loaded with minimum deck loadC . when at transit draftD . when GZ is zero
[单选题]The effects of free surface on initial stability depend upon the dimensions of the surface of the free liquids and the（）.A . volume of liquid in the tankB . volume of displacement of the vesselC . location of the tank in the vesselD . height of the c
[单选题]Aboard damaged vessels，the MOST important consideration is preserving（）.A . bilge pumping capacityB . reserve buoyancyC . level attitudeD . instability
[单选题]采用贫油吸收法脱除NGL，可将天然气中90%～95%的丙烷和（）丙烷以上的重质成分分离出来。A .90%～95%B .95%～98%C .98%～100%
[单选题]The greatest effect on stability occurs from loose liquids flowing（）.A . from side to side in the tanks of the vesselB . from fore to aft in the tanks of a vesselC . in and out of a vessel that is holed in a wing tankD . in and out of a vessel that i
[单选题]What is the principal danger from the liquid in a half full tank onboard a vessel?（）A . Corrosion from the shifting liquidB . Rupturing of bulkheads from the shifting liquidC . Loss of stability from free surface effectD . Holing of the tank bottom f
[单选题]The important initial stability parameter，GM，is the（）.A . metacentric heightB . height of the metacenter above the keelC . height of the center of buoyancy above the keelD . height of the center of gravity above the keel
[单选题]What is the stability term for the distance from the center of gravity (G) to the Metacenter (M)，when small-angle stability applies? （）A . metacentric heightB . metacentric radiusC . height of the metacenterD . righting arm
[单选题]To prevent loss of stability from free communication flooding you should（）.A . close the cross-connection valve between the off-center tanksB . completely flood high center tanksC . ballast double bottom wing tanksD . close any opening to the sea in
[单选题]The stability which exists after the unintentional flooding of a compartment on a ship is called（）.A . intact stabilityB . initial stabilityC . immersion stabilityD . damage stability
[单选题]What will NOT decrease the stability of a vessel?（）A . Topside icingB . Running with a following seaC . Using 35% of the fuel in a full tankD . Lowering a weight suspended by a boom onto the deck
[单选题]Addition of weight above the center of gravity of a vessel will ALWAYS（）.A . reduce initial stabilityB . increase righting momentsC . increase GMD . All of the above
[单选题]The vertical distance between G and M is used as a measure of（）.A . stability at all angles of inclinationB . initial stabilityC . stability at angles less than the limit of positive stabilityD . stability at angles less than the downflooding angle
[单选题]能够吸引消费者重复购买服务产品的决定性因素为（）A . 服务形象B . 服务品牌C . 服务承诺D . 服务企业定位
[单选题]If the cause of a sudden severe list or trim is negative initial stability，counter flooding into empty tanks may（）.A . increase the righting momentB . cause an increase in the righting armC . bring the unit to an upright equilibrium positionD . cause
[单选题]Stability is determined by the relationship of the center of gravity and the（）.A . water depthB . keelC . center of flotationD . center of buoyancy
[单选题]To improve your vessel’s stability in a hazardous situation，you should（）.A . ballast deep tanks if they are slackB . transfer ballast athwartshipsC . pump out double bottomsD . fill double bottoms from deep tank
[单选题]Stability is determined principally by the location of two points in a vessel: the center of buoyancy and the（）.A . metacenterB . geometric center of the waterplane areaC . center of gravityD . center of flotatio
[单选题]To ensure the ship’s general stability，（）.A . she's loaded a little deeper forwardB . she's loaded a little deeper aftC . she has not any ballast at allD . the cargo is properly distributed throughout the shi
[单选题]The effects of free surface on a vessel’s initial stability do NOT depend upon the（）.A . volume of displacement of the vesselB . dimensions of the surface of the liquidC . amount of liquid in slack tanksD . specific gravity of the liquid in the tank
[单选题]In the event of damage to the DEEP WATER SHIP which results in flooding to one of the lower-hull tanks，pump from（）.A . nearby damaged tanksB . nearby undamaged tanks containing ballastC . tanks on the opposite cornerD . the opposite trim tank
[问答题] 对于150mm×150mm断面的铸机，拉速为1.4m/min，其冷却水强度为1.12L/kg，求该连铸机的二次冷却水的耗水量？（铸坯的比重为7.6t/m3）
[单选题]At all angles of inclination，the true measure of a vessel’s stability is the（）.A . metacentric heightB . displacementC . righting momentD . inclining moment
[单选题]The effect of free surface on initial stability depends upon（）.A . the amount of liquid in the compartmentB . the dimensions of the liquid surface and the vessel's displacementC . only the length of the compartmentD . the vertical position of the