The permanent dunnage attached to the frames of the ship that aids in ventilation is（are）the ______．A.hatch boardsB.tank topC.hatch beamsD.sweat battens
The permanent dunnage attached to the frames of the ship that aids in ventilation is（are）the ______．
A.hatch boards
B.tank top
C.hatch beams
D.sweat battens
相关考题：
Strips of timber fixed to the frames of a ship，either in a horizontal or vertical direction，which keep cargo away from the sides of the ship，assisting ventilation and helping protect against a buildup of moisture or condensation are termed as______．A.framesB.shell platesC.bilge platesD.cargo batten
In order to withstand fluid head pressure on a ship，stiffeners are often attached to the bulkhead ______.A.penetrationsB.platingC.framingD.brackets
On a vessel proceeding from a very cold to a warm climate with a cargo of a nonhygroscopic nature in the holds，which is TRUE ________．A.Danger of heavy ship sweat exists；constant and vigorous ventilation is requiredB.There is danger of heavy cargo sweat if outside air is introduced by ventilationC.There is little danger of ship's sweat，slight possibility of cargo sweat；moderate ventilation is neededD.The possibility of any sweat problem，either cargo or ship，is remote
Which statement is correct concerning the carriage of coal in bulk ________．A.Coal should be vented with surface ventilation onlyB.Because of its inherent vice，coal should not be loaded wetC.Dunnage should be placed against ship's sides and around stanchionsD.Through ventilation，as well as surface ventilation，should be provided whenever possible
Floors aboard ship are ______．A.frames to which the tank top and bottom shell are fastened on a double bottomed shipB.transverse members of the ships frame which support the decksC.longitudinal beams in the extreme bottom of a ship from which the ship's ribs startD.longitudinal angle bars fastened to a surface for strength
In a transversely framed ship，the transverse frames are supported by all of the following EXCEPT ______．A.GirdersB.LongitudinalsC.Side stringersD.Web plates
Reinforcing frames attached to a bulkhead on a vessel are called ______．A.side longitudinalsB.intercostalsC.stiffenersD.brackets
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
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
In a longitudinally-framed ship, the longitudinal frames are held in place and supported by athwartship members called ______.A.floorsB.margin platesC.stringersD.web frames
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What is the main purpose of dunnage（）.ATo act as ballast for light vesselsBTo provide ventilation and drainage for cargoCTo secure the tarpaulins in placeDTo support weakened bulkheads
单选题What best describes an anchor buoy（）.AA black ball that is hoisted when the ship anchorsBA buoy attached to the anchorCA buoy attached to the scope of an anchor chainDA mark of the number of fathoms in an anchor chain
单选题In preparing a cargo space for receipt of a shipment of bagged cargo，which instruction for laying dunnage should be followed? （）AUse either 1 or 2 tiers of dunnage，spacing the pieces in each tier a foot apart，and lay pieces in the bottom tier diagonally to the ship's sideBUse 1 tier of dunnage，laying the pieces tightly together to form a solid floor over the steel deckCUse 2 tiers of dunnage，spacing the pieces in the bottom tier about a foot apart and the pieces in the top tier 6 inches apartDUse 2 tiers of dunnage，spacing the pieces in the bottom tier about a foot apart and the pieces in the top tier together
单选题In order to withstand fluid head pressure on a ship，stiffeners are often attached to the bulkhead（）.ApenetrationsBplatingCframingDbrackets
单选题On a vessel proceeding from a very cold to a warm climate with a cargo of a nonhygroscopic nature in the holds，which is TRUE?（）.ADanger of heavy ship sweat exists； constant and vigorous ventilation is requiredBThere is danger of heavy cargo sweat if outside air is introduced by ventilationCThere is little danger of ship's sweat，slight possibility of cargo sweat； moderate ventilation is neededDThe possibility of any sweat problem，either cargo or ship，is remote
单选题In a transversely framed ship，the transverse frames are supported by all of the following EXCEPT（）.AgirdersBlongitudinalsCside stringersDweb plates
单选题When ship navigating in rough sea, the first measure taken by the chief engineer to prevent the overload should be（）Acleaning fuel oil, lubricating oil and seawater filterBreducing fuel feeding of the main engine appropriately or reducing the pitch angle of propellerCusing low sea chestDclosing the skylight and the ventilation opening, which doesn’t affect the normal work of equipments
单选题0n a vesel proceeding from a very cold to a warm climate with a cargo of a nonhygroscopic nature in the holds, which is true?（）.ADanger of heavy ship sweat exists; constant and vigorous ventilation is requiredBThere is danger of heavy cargo sweat if outside air is introduced by ventilationCThere is little danger of ships sweat, slight possibility of cargo sweat; moderate ventilation is neededDThe po sibility of any sweat problem, either cargo or ship, is frame
单选题The decks of a ship are supported by transverse members called（）.AtrussesBdeck longitudinalsCdeck beamsDweb frames
单选题Battens are fitted in cargo holds across the frames of the vessel from the turn of the bilge upward. The purpose of these cargo battens is（）.Afor securing a snatch block when snaking cargo into the wings of the holdBto prevent cargo from coming in contact with the vessel's frames or shell platingCtp prevent fittings to which cargo lashing may be securedDto support the dunnage floors which are laid down between tiere of cargo
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Transverse frames are more widely spaced on a ship that is designed with the（）.Acenterline system of framingBisometric system of framingClongitudinal system of framingDtransverse system of framing
单选题The permant dunnage attached to the frames of the ship that aids in ventilation is (are) the（）.Ahatch boardsBtank topChatch beamsDsweat bettens
单选题For use as protection from gas leaking from a refrigeration unit，each ship must be equipped with a（）.Aportable ventilation systemBflame safety lampCself-contained breathing apparatusDgas mask
单选题Reinforcing frames attached to a bulkhead on a vessel are called（）.Aside longitudinalsBintercostalsCstiffenersDbrackets
单选题In a longitudinally-framed ship，the longitudinal frames are held in place and supported by athwartship members called（）.AfloorsBmargin platesCstringersDweb frames