The magnetism in the various structures of a ship changing as a result of cruising，vibration，or aging is termed ______．A.permanent magnetismB.subpermanent magnetismC.induced magnetismD.variable magnetism
The magnetism in the various structures of a ship changing as a result of cruising，vibration，or aging is termed ______．
A.permanent magnetism
B.subpermanent magnetism
C.induced magnetism
D.variable magnetism
相关考题：
Permanent magnetism is caused by ______.A.operation of electrical equipment and generators on board shipB.the earth's magnetic field affecting the ship's hard iron during constructionC.the horizontal component of the earth's magnetic field acting on the horizontal soft ironD.the vertical component of the earth's magnetic field acting on the vertical soft iron
A claim for cargo damages may be held against the shipowner if such damage is the result of failure of the ship's officers to ______.A.ensure the fitness and safety of cargo spacesB.ensure adequate packaging of the cargoC.prevent delays due to quarantine restrictionsD.correct all defects in the ship's construction
Floors aboard ship are ______．A.also called decksB.vertical transverse plates connecting the vertical keel with the margin platesC.large beams fitted in various parts of the vessel for additional strengthD.found in passenger and berthing spaces only
A ship under construction or major repair will acquire permanent magnetism due to ______ while sitting stationary in the earth's magnetic field．A.hammering and jarringB.vibration and poundingC.varying magnetic fieldsD.stable or permanent magnetism of the ship
The Flinders bar and the quadrantal spheres should be tested for permanent magnetism at what interval ________．A.They are not subject to permanent magnetism; no check is necessaryB.SemiannuallyC.AnnuallyD.Every five years
If a ship is proceeding towards the magnetic equator, the uncorrected deviation due to permanent magnetism ______.A.increasesB.remains the sameC.decreasesD.is unimportant and may be neglected
If the vertical center of gravity (VCG) of a ship rises 1.7 feet, the righting arm (GZ) for the various angles of inclination will ______.A.decreaseB.increaseC.remain unchangedD.be changed by the amount of GG’ x cosine of the angle
单选题In the navigation（） cause the shafting over load easily.Athe stopping engine suddenlyBthe sailing astern and changing direction suddenlyCthe sailing from the shallow water area to the deep water areaDthe ship’s trim too much
单选题（）of my ship’s propeller is very strong.AThe running reflectionBThe turning effectCThe moving speedDThe changing sensibility
单选题If a ship is proceeding towards the magnetic equator，the uncorrected deviation due to permanent magnetism（）.AincreasesBremains the sameCdecreasesDis unimportant and may be neglected
单选题On a semisubmersible ship，reserve buoyancy is increased by the presence of void spaces above the waterline in the（）.Asubmerged hullsBquartersCcolumns and upper structureDsubmerged connecting structures
单选题Floors aboard ship are（）.Aalso called decksBvertical transverse plates connecting the vertical keel with the margin platesClarge beams fitted in various parts of the vessel for additional strengthDfound in passenger and berthing spaces only
单选题This induced magnetism（）the permanent magnetism already present in the ship.Awill add toBwill subtract fromCmay add to or subtract fromDwill not change
单选题The procedure of strengthening damaged structures on a ship by using wood or steel is called（）.AbracingBbatteningCblockingDshoring
单选题The magnetism in the various structures of a ship changing as a result of cruising，vibration，or aging is termed（）.Apermanent magnetismBsubpermanent magnetismCinduced magnetismDvariable magnetism
单选题Repair of structures on a ship in the vicinity of liquid mud handling areas presents what possible hazard?（）AToxic gasses may be presentBFlammable gasses may be presentCLiquid muds may flood adjoining spacesDAn oxygen-deficient atmosphere may be present
单选题If the vertical center of gravity (VCG) of a ship rises 1.7 feet，the righting arm (GZ) for the various angles of inclination will（）.AdecreaseBincreaseCremain unchangedDbe changed by the amount of GG' x cosine of the angle
单选题In the voyage, when carrying out abandon ship drill （） should be test every time.Athe emergency lighting system for muster and abandon shipBair oil emergency shut-downCME emergency operationDmain auxiliary steering gear changing
单选题According to the regulation of the voyage trial on new ship,（）is one of the trial items of the UMS ship bridge control.Astarting and direction changing trialBcancelling accelerating function trialClowest stable speed trialDcontinuous running trial
单选题A dirty intercooler on the ship service air compressor will result in （）.Adecreased compression ratioBhigher than normal power consumptionCun-loader malfunctionDwater in the lubricating oil
单选题The Flinders bar on a magnetic compass compensates for the（）.Ainduced magnetism in vertical soft ironBinduced magnetism in horizontal soft ironCpermanent magnetism in ship's steelDvessel's inclination from the vertical
单选题The Flinders bar and the quadrantal spheres should be tested for permanent magnetism at what interval（）.AThey are not subject to permanent magnetism; no check is necessaryBSemiannuallyCAnnuallyDEvery five years
单选题Permanent magnetism is caused by（）.Aoperation of electrical equipment and generators on board shipBthe earth's magnetic field affecting the ship's hard iron during constructionCthe horizontal component of the earth's magnetic field acting on the horizontal soft ironDthe vertical component of the earth's magnetic field acting on the vertical soft iron
单选题A ship under construction or major repair will acquire permanent magnetism due to（）while sitting stationary in the earth’s magnetic field.Ahammering and jarringBvibration and poundingCvarying magnetic fieldsDstable or permanent magnetism of the ship
单选题A claim for cargo damages may be held against the shipowner if such damage is the result of failure of the ship’s officers to（）.Aensure the fitness and safety of cargo spacesBensure adequate packaging of the cargoCprevent delays due to quarantine restrictionsDcorrect all defects in the ship's construction
单选题A claim for cargo damages may be held against the ship owner if such damage is the result of failure of the ship’s officers to（）.Acorrect all defects in the ship's constructionBensure the fitness and safety of cargo spacesCensure adequate packaging of the cargoDprevent delays due to quarantine restrictions