[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().A . for securing a snatch block when snaking cargo into the wings of the holdB . to prevent cargo from coming
[单选题]Frames to which the tank top and bottom shell are fastened are called().A . floorsB . intercostalsC . stringersD . tank top support
[单选题]The maximum theoretical stress that can be developed on a guy in a yard and stay rig is limited by the().A . lifting capacity of the winchB . location of the boomC . position of the guyD . weight of the load
[单选题]It is possible,and sometimes necessary,to strengthen the deck of a vessel for carriage of deck cargo by().A . placing bunker on the deckB . building a stage on which to place the cargoC . welding steel feet to the deck,on which the cargo is placedD .
[单选题]Concentrated heavy loads are involved in loading a LASH vessel. What does NOT require close attention due to such loads while working cargo?() .A . GM - available and requiredB . Longitudinal stress numeralC . Tons per inch immersion numeralD . Draft
[单选题]If the weights are moved away from the midship section,()will happen on board.A . hoggingB . saggingC . stiffD . tender
[单选题]The procedure of strengthening damaged structures on a ship by using wood or steel is called().A . bracingB . batteningC . blockingD . shoring
[单选题]The normal tendency for a loaded tanker is to().A . hogB . sagC . have a permanent listD . be very tender
[单选题]Structural stress levels in a ship are the sum of loading stresses and stresses due to().A . environmental loadsB . variable loadsC . ballast loadingD . mooring load
[单选题]The strength of a deck will be increased by adding().A . camberB . deck beam bracketsC . hatch beamsD . sheer
[单选题]The decks of a ship are supported by transverse members called().A . trussesB . deck longitudinalsC . deck beamsD . web frame
[单选题]Transverse stability calculations require the use of().A . hog or sag calculations or tablesB . hydrostatic curvesC . general arrangement plansD . cross-sectional views of the vessel
[单选题]The load chart of a crane enables the operator to combine the load radius with boom length to determine the().A . maximum counter weight requiredB . minimum horsepower requiredC . hoist rope strengthD . allowable load
[单选题]Camber,in a ship,is usually measured in().A . feet per feet of breadthB . feet per feet of lengthC . inches per feet of breadthD . inches per feet of length
[单选题]The function of the bilge keel is to().A . reduce the rolling of the vesselB . serve as the vessel's main strength memberC . add strength to the bilgeD . protect the vessel's hull when alongside a dock
[单选题]What does the proof test load of an anchor chain demonstrate?()A . Breaking strength of the chainB . Strength of the chain to a specified limitC . Adequate holding power for new bottom conditionsD . Safe working load of the chai
[单选题]The purpose of sheer in ship construction is to().A . allow the ship to ride waves with drier decksB . eliminate the need for butt strapsC . eliminate the need for margin platesD . give greater strength at the deck edge
[单选题]The deck plating on a ship is supported primarily by deck longitudinals and deck().A . girdersB . stanchionsC . framesD . beam
[单选题]Vertical structural members attached to the floors that add strength to the floors are called().A . boss platesB . buckler platesC . stiffenersD . breast hook
[单选题]The fore and aft run of deck plating which strengthens the connection between the beams and the frames and keeps the beams square to the shell is called the().A . garboard strakeB . limber strakeC . sheer strakeD . stringer strake
[单选题]If your vessel is aground at the bow,it would be preferable that any weight removals be made from the().A . bowB . mid-sectionC . sternD . All of the above
[单选题]Structural stress on a ship can be reduced by().A . lessening the effect of environmental forcesB . even and symmetrical variable loadingC . local concentration of heavy consumablesD . increasing the metacentric height
[单选题]The deck loads on a ship are distributed through the deck beams to the().A . framesB . hullC . stringersD . plate
[单选题]In heavy weather you notice buckling in the midships deck plating of your vessel. To relieve the strain you could().A . pump fuel oil from midships to the ends of the vesselB . reduce speedC . take a course which most eases the vesselD . All of the a
[单选题]Compared to internal structural plating,the exterior hull plating on a vessel is usually().A . strongerB . thinnerC . more corrosion resistantD . a lower grade steel
[单选题]If the weights are concentrated in the middle part,then()will happen on board the ship.A . hoggingB . stiffnessC . saggingD . listing
[单选题]Vertical partitions which provide strength and compartmentalization on a ship are called().A . decksB . bulkheadsC . joiner workD . wall
[单选题]The pillar shape that gives the greatest strength for the least weight is the().A . octagonal pillarB . H Beam pillarC . I Beam pillarD . circular type pillar
[单选题]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 on
[单选题]The deck beam brackets of a transversely framed vessel resist().A . hogging stressesB . sagging stressesC . racking stressesD . shearing stresse