What material is allowed in construction of the hull of a vessel with an integral diesel fuel tank ________.A.Steel or aluminumB.Sandwich style fibreglass with a natural rubber coreC.Copper-nickel or copper silicon alloysD.Any or all of the above

What material is allowed in construction of the hull of a vessel with an integral diesel fuel tank ________.

A.Steel or aluminum

B.Sandwich style fibreglass with a natural rubber core

C.Copper-nickel or copper silicon alloys

D.Any or all of the above


相关考题:

Deck beams perform ______ of the following functions in the hull structure of a vessel.① They transfer deck loads to the frames;② They help to maintain the shape of the hull.A.① onlyB.② onlyC.Both ① and ②D.Neither ① nor ②

On a vessel,the keel is the primary strength member of the lower hull form in which direction ________.A.TransverseB.DiagonalC.LongitudinalD.Vertical

The term strake is used in reference to ______.A.rudder mountingsB.anchor gearC.hull platingD.vessel framing

N Company manufactures a kind of product used throughout the machinery industry.The standard price of the materials for the products is $ 6 per kilogram; the standard quantity of materials allowed per unit is 1.5 kilograms. During July, 2 000 units of the products were finished, for which 3 200 kilograms of materials were used at a total direct material cost of $ 18 560.Requirment :A. Calculate the direct material price variance for July. Indicate whether it is favorable (F) or unfavorable (U) and who is generally responsible for this variance.B. Calculate the direct material quantity variance for July. Indicate whether it is favorable (F) or unfavorable (U) and who is generally responsible for this variance.C. Calculate the total direct material cost variance for July. Indicate whether it is favorable (F) or unfavorable (U).

船舶的主体是船壳。()A、The main body of a vessel is the hull.B、The main body of a vessel is the superstructure.C、The main body of a vessel is the engine room.D、The main body of a vessel is the poop.

船舶由船体和上层建筑组成。()A、A vessel is made up of the hull and the superstructure.B、A vessel is made up of the hull and the bridge.C、A vessel is made up of the hull and the forecastle.

单选题船舶的主体是船壳。()AThe main body of a vessel is the hull.BThe main body of a vessel is the superstructure.CThe main body of a vessel is the engine room.DThe main body of a vessel is the poop.

单选题In the ship construction portfolio,materials which do not conform to ASTM or ABS specifications must also include the().Achemical and physical properties of the materialBname of the alternative standard or specificationCthe ASTM or ABS specification the material approximatesDmanufacturer or origin of the material

单选题In vessel construction,beam brackets are triangular plates that join the deck beam to a().AbulkheadBframeCstanchionDdeck longitudinal

单选题船舶由船体和上层建筑组成。()AA vessel is made up of the hull and the superstructure.BA vessel is made up of the hull and the bridge.CA vessel is made up of the hull and the forecastle.

单选题When a vessel is inclined by an external force,the().Ashape of the vessel's underwater hull remains the sameBvessel's center of gravity shifts to the center of the vessel's underwater hullCvessel's center of buoyancy shifts to the center of the vessel's underwater hullDvessel's mean draft increases

单选题0n a vessel, the keel is the primary strength member of the lower hull form in which direction?().AtransverseBdisagonalClongitudinalDvertical

单选题Compared to internal structural plating. The exterior hull plating on a vessel is usually().AstrongerBthinnerCmore corrosion resistantDa lower grade steel

单选题The main function of tie rods in the construction of large, low speed diesel engines is to().Astiffen the bedplate in way of the main bearings to increase the engines longitudinal strengthBaccept most of the tensile loading that results from the firing forces developed during operationCmount the engine frame securely to the hull to prevent shaft coupling misalignmentDconnect the crosshead solidly to the piston rod

单选题In a diesel engine, an integral liner is one in which the cooling water () Ⅰ.flows through the cylinder liner jackets Ⅱ.touches the outer side of the linerAⅠ onlyBⅡ onlyCboth Ⅰ and ⅡDneither Ⅰ and Ⅱ

单选题What are the conditions,under GMDSS,whereby a ship is NOT allowed to depart from any port? ()AThe vessel is not capable of performing all required distress and safety functionsBThe vessel is carrying more than the required number of qualified GMDSS radio operatorsCThe vessel has a temporary waiver of its radio license and Safety CertificateDThe vessel is not carrying a GMDSS radio maintainer,but has provided for shoreside maintenance plus duplication of equipment if required

单选题In the construction of a diesel engine, what is the purpose of end plates?()ATo provide accessibility to the cylinder linersBTo add stability to the engine blockCTo add rigidity to the block and a surface for attaching other partsDTo make a surface for the base

单选题When is a stand-on vessel FIRST allowed by the Rules to take action in order to avoid collision?()AWhen the two vessels are less than half a mile from each otherBWhen the give-way vessel is not taking appropriate action to avoid collisionCWhen collision is imminentDThe stand-on vessel is never allowed to take action

单选题On a vessel,the keel is the primary strength member of the lower hull form in which direction?().AtransverseBdiagonalClongitudinalDvertical

单选题One method of constructing large marine diesel engines and reducing the total engine frame weight is through ().Acasting interlocking componentsBwelding plates to form sections for assemblyCforging integral componentsDcase hardening integral components

单选题A stream of water immediately surrounding a moving vessel’s hull,flowing in the same direction as the vessel is known as().Adirectional currentBforward currentCpropeller currentDwake current

单选题The function of the bilge keel is to().Areduce the rolling of the vesselBserve as the vessel's main strength memberCadd strength to the bilgeDprotect the vessel's hull when alongside a dock

单选题Compared to internal structural plating,the exterior hull plating on a vessel is usually().AstrongerBthinnerCmore corrosion resistantDa lower grade steel

单选题While in drydock your vessel will be belt-gauged.This process involves().Ameasuring the thickness of the tail shaft linerBtaking the vessel's offsets to check for hull deformationCtesting and examining the anchor cables for defective linksDdrilling or sonic-testing the hull to determine the plate thickness

单选题When a vessel is in dry-dock, the vessel’s engineers should ().Aexamine the condition of the propellerBchip and paint all hull protection zincsCinstall new docking plugs in all cofferdamsDinspect the hull for hogging or sagging

单选题0f the following, the most important consideration for a tank vessel is().AGMBthe vertical center of gravityCthe longitudinal center of gravityDthe stress on the hull

单选题Where is thicker plating usually found in the construction of integral tanks on a ship? ()AOn the outside of the tankBAt the bottom of the tankCAt the top of the tankDAt the center of the tank