航海英语(甲类船长)船舶结构与设备单选题练习1
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Your vessel has a midships engine room and the cargo is concentrated in the end holds.The vessel is ______.
- A.sagging with tensile stress on main deck
- B.sagging with compressive stress on main deck
- C.hogging with tensile stress on main deck
- D.hogging with compressive stress on main deck
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While cranking out a quadrantal davit,slippage of the quadrant due to excessive wear or failure of the teeth in the quadrant will cause the ______.
- A.Davit arm to pivot on the traveling nut and the head to fall outboard
- B.Traveling nut to lock up in place on the worm gear
- C.Limit switch to engage and hold the traveling nut in position
- D.Winch brake to lock in position and prevent lowering the boat
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Why is it necessary to extend ventilators of gasoline powered vessels to the bilges ________.
- A.To keep them dry,and thus easier to clean
- B.To remove fuel vapors which are heavier than air
- C.To provide adequate air to the engines
- D.To cool the machinery areas
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Which space(s)is(are)deducted from gross tonnage to derive net tonnage ________.
- A.Galley fitted with range or oven
- B.Open structures
- C.Passenger spaces
- D.Boatswain's stores
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Which statement about the hospital space on a cargo ship is TRUE ________.
- A.The hospital may be used for disciplinary confinement if it is not being used for treatment
- B.The hospital space must have both a bathtub and shower
- C.A hospital is required on all vessels with a crew of 12 or more if it makes overnight voyages
- D.If a ship has a crew of forty-five who do not have their own room,the hospital must have four berths
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Which term refers to a transverse curvature of the deck ________.
- A.Deadrise
- B.Camber
- C.Freeboard
- D.Flare
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Which space(s)is(are)deducted from gross tonnage to derive net tonnage ________.
- A.Boatswain's stores
- B.Companions and booby hatches
- C.Passenger spaces
- D.All of the above
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Which space cannot be deducted from gross tonnage when calculating net tonnage ________.
- A.Crew messroom
- B.Forepeak ballast tank
- C.Master's cabin
- D.Chain locker
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Which of the following tensioning devices is used with webbing to secure light vehicles aboard Ro-Ro vessels ________.
- A.Chain lever
- B.Buckle tensioner
- C.Adjust-a-matic tensioner
- D.Turnbuckle
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Which arrangement of shell plating is used most in modern shipbuilding ________.
- A.Clinker
- B.Flush
- C.In-and-Out
- D.Joggled
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Which of the following is a characteristic of a Ro-Ro vessel ________.
- A.Passenger tours available upon docking
- B.Long port stays necessary to secure vehicles
- C.Short in port turnaround times
- D.Heavy vehicles only require lightweight securing equipment
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When lowering manropes alongside a stage rigged over the side of a vessel,they should be allowed to trail in the water ______.
- A.to easily remove the kinks that form in the lines
- B.to allow the seamen on the stage to know the direction and strength of the current
- C.to provide the seaman something to hold onto if he or she falls from the stage into the water
- D.only for short periods of time since they will become waterlogged and be very heavy to pull up
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When using the term limber system one is referring to a ______.
- A.Cleaning system
- B.Drainage system
- C.Strengthening system
- D.Weight reduction system
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What is a cofferdam ________.
- A.Tube fitted to an ullage hole
- B.Area the product is loaded into
- C.Void or empty space separating two tanks
- D.Opening in the deck used for cleaning a tank
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What can cause a lack of oxygen in a chain locker ________.
- A.Absorption
- B.Osmosis
- C.Evaporation
- D.Oxidation
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What type of stern tube bearing has the least friction ________.
- A.Oil-lubricated bearings
- B.Lignum vitae
- C.Hard rubber
- D.Bronze bushings
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To determine the weight capacity of a deck in a cargo hold,you would refer to the ______.
- A.Deadweight scale
- B.Deck capacity plan
- C.Cubic capacity tables
- D.General arrangement plan
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Tonnage openings must be closed by means of ______.
- A.Press board
- B.Steel hatch boards
- C.Steel plates
- D.Wooden hatch boards
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The Vessel's cargo holds are properly fitted with _______ in way of hatches.
- A.Floor-ceiling
- B.Battens
- C.Covers
- D.Hard-wood boards
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The type of joint formed when an edge of one plate is laid over the edge of the plate to which it is riveted is a ______.
- A.Grip joint
- B.Strap joint
- C.Thread joint
- D.Lap joint
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The section of each end of a barge which is heavily reinforced to take the pressure of pushing is called the ______.
- A.Headlog
- B.Towhead
- C.Collision bulkhead
- D.Bullnose
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The strake on each side of the keel is called a ______.
- A.Sheer strake
- B.Gatewood strake
- C.Insulation strake
- D.Garboard strake
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The term strake is used in reference to ______.
- A.rudder mountings
- B.anchor gear
- C.hull plating
- D.vessel framing
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The riding pawl is ______.
- A.a safety interlock in a cargo winch that prevents the runner from overspeeding
- B.a stopper that prevents the anchor cable from running free if the cable jumps the wildcat
- C.the device that locks the deck lashings of the Peck and Hale system
- D.the lug that rides on the eccentric rib and engages the locking ring on the windlass
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The primary barrier of a bulk carrier is formed by ______.
- A.the single skin side shell and the inner bottom
- B.deck strips,hatch covers and coamings
- C.the vertically corrugated transverse watertight bulkheads
- D.the single skin side shell between topside and hopper tanks,and the cross deck strips,hatch covers and coamings
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The piping that routes an oil cargo from the manifold to underdeck pipelines is known as a ______.
- A.Cargo fill
- B.Line drop
- C.Transfer
- D.Branch line
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The perforated,elevated bottom of the chain locker,which prevents the chains from touching the main locker bottom and allows seepage water to flow to the drains,is called a ______.
- A.cradle
- B.draft
- C.harping
- D.manger
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The permissible SWSF and SWBM are assigned by ______.
- A.IMO
- B.IACS Member Societies
- C.SOLAS
- D.BC Code
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The locker will ______ as long as your ship is here.
- A.Be kept sealed
- B.Be released from being sealed
- C.Be kept signed
- D.Be released from being signed
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The opening in the deck beneath the anchor windlass that leads to the chain locker is the ______.
- A.Hawse pipe
- B.Fall pipe
- C.Drop-pipe
- D.Spill pipe
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The hull is divided up into a number of watertight compartments by ______.
- A.inner bottom plating and longitudinals
- B.decks and bulkheads
- C.double bottom girders
- D.topside and hopper tank sloping plating and longitudinals
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The deadweight of a bulk carrier consists of ______.
- A.the weight of the ship's structure and its machinery
- B.bunker and other consumable loads
- C.ballast loads
- D.all those weights,such as the weight of the bunkers,ballast,provisions and cargo
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The extension of the after part of the keel in a single-screw vessel upon which the stern post rests is called the ______.
- A.boss
- B.knuckle
- C.skeg
- D.strut
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The American Petroleum Institute recommends that connecting links and anchor shackles be inspected using ______.
- A.Visual examinations
- B.Magnetic particle inspection
- C.Dye penetrant inspection
- D.X-ray inspection
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The Captain's accommodation comprising rooms certified for his exclusive use may be ______ in the measurement of vessel's tonnage.
- A.Deducted
- B.Added
- C.Forfeited
- D.Used
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Reinforcing frames attached to a bulkhead on a vessel are called ______.
- A.side longitudinals
- B.intercostals
- C.stiffeners
- D.brackets
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Ship's steering gear refers to ______.
- A.cargo handling machines
- B.deck winches and derricks
- C.engine-room tools
- D.course controlling system
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The American Petroleum Institute recommends magnetic particle inspection for ______.
- A.Anchor chain
- B.Wire rope
- C.Connecting links
- D.Pendant wires
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Prior to magnetic particle inspection of anchor chain,the chain should be ______.
- A.Degaussed
- B.Demagnetized
- C.Soaked
- D.Sandblasted
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Regulations define the bulkhead deck as ______.(subdivision and stability regulations)
- A.any deck extending from stem to stern
- B.the uppermost deck to which transverse watertight bulkheads extend
- C.the lowermost deck to which transverse watertight bulkheads extend
- D.the uppermost complete deck
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On board a bulk carrier,______.
- A.harbour SWSF >seagoing SWSF,harbour SWBM >seagoing SWBM
- B.harbour SWSF< seagoing SWSF,harbour SWBM< seagoing SWBM
- C.harbour SWSF >seagoing SWSF,harbour SWBM< seagoing SWBM
- D.harbour SWSF< seagoing SWSF,harbour SWBM >seagoing SWBM
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One function of a bulwark is to ______.
- A.Help keep the deck dry
- B.Prevent stress concentrations on the stringer plate
- C.Protect against twisting forces exerted on the frame of the vessel
- D.Reinforce the side stringers
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Pollution regulations require that each scupper in an enclosed deck area have a ______.
- A.Wooden plug
- B.Soft rubber plug
- C.Two-piece soft patch
- D.Mechanical means of closing
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Limber is a term associated with ______.
- A.Emergency gear
- B.Drainage
- C.Deck cargo storage
- D.Securing gear
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On a vessel,the keel is the primary strength member of the lower hull form in which direction ________.
- A.Transverse
- B.Diagonal
- C.Longitudinal
- D.Vertical
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It is possible,and sometimes necessary,to strengthen the deck of a vessel for carriage of deck cargo by ______.
- A.placing bunker on the deck
- B.building a stage on which to place the cargo
- C.welding steel feet to the deck,on which the cargo is placed
- D.erecting vertical pillars under the deck to support the cargo
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In vessel construction,the garboard strake is ______.
- A.Located next to and parallel to the keel
- B.Located next to and parallel to the gunwale
- C.Another term for the bilge keel
- D.Another term for the rub rail
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In vessel construction,beams are transverse girders which provide support to ______.
- A.Bulkheads
- B.Deckhouse structures
- C.Decks
- D.Vertical frames
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In vessel construction,a greater number of watertight bulkheads results in ______.
- A.increased capacity to set flooding boundaries
- B.decreased capacity to set flooding boundaries
- C.reduced compartmentation
- D.greater deck load capacity
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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 vessel
- B.reduce speed
- C.take a course which most eases the vessel
- D.All of the above
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In a transversely framed ship,the transverse frames are supported by all of the following EXCEPT ______.
- A.Girders
- B.Longitudinals
- C.Side stringers
- D.Web plates
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If the weights are moved away from the midship section,______ will happen on board.
- A.hogging
- B.sagging
- C.stiff
- D.tender
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Holes in the bulwark,which allow deck water to drain into the sea,are ______.
- A.Doggers
- B.Fidleys
- C.Freeing ports
- D.Swash ports
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Forecastle deck is located in the ship's ______.
- A.Bow stem
- B.Stern
- C.Portside
- D.Starboard side
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Frames to which the tank top and bottom shell are fastened are called ______.
- A.floors
- B.intercostals
- C.stringers
- D.tank top supports
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Floors aboard ship are ______.
- A.frames to which the tank top and bottom shell are fastened on a double bottomed ship
- B.transverse members of the ships frame which support the decks
- C.longitudinal beams in the extreme bottom of a ship from which the ship's ribs start
- D.longitudinal angle bars fastened to a surface for strength
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For existing ships,______ is not an improvement to safety.
- A.the reinforcement of the aft transverse watertight bulkhead
- B.the double bottom structure in way of the foremost cargo hold
- C.the introduction of a more rigorous survey regime and greater attention to operating procedures
- D.introduction of new and improved designs
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Floors aboard ship are ______.
- A.also called decks
- B.vertical transverse plates connecting the vertical keel with the margin plates
- C.large beams fitted in various parts of the vessel for additional strength
- D.found in passenger and berthing spaces only
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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 only
- B.② only
- C.Both ① and ②
- D.Neither ① nor ②
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Deck beams on a vessel are generally spaced at equal intervals and run ______.
- A.longitudinally
- B.vertically
- C.transversely
- D.intermittently
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Compared to internal structural plating,the exterior hull plating on a ship is usually ______.
- A.stronger
- B.thinner
- C.more corrosion resistant
- D.a lower grade steel
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Compared to internal structural plating,the exterior hull plating on a vessel is usually ______.
- A.stronger
- B.thinner
- C.more corrosion resistant
- D.a lower grade steel
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Buckler plates are ______.
- A.Triangular-shaped plates connecting the bull chain to the topping lift
- B.Metal plates secured over the tops of the hawsepipes
- C.Faired shell plates with curvature in two directions
- D.Sheets of dunnage used to prevent heavy cargo from buckling the deck plates
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Bilge keels are fitted on ships to ______.
- A.Assist in drydock alignment
- B.Improve the vessel's stability
- C.Protect the vessel from slamming against piers
- D.Reduce the rolling of the vessel
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A set of interior steps on a ship leading up to a deck from below is known as ______.
- A.A companion way
- B.Tween-decks
- C.Stairs
- D.Any of the above are acceptable
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A vessel has sustained damage in a collision with another vessel.It is necessary to have a Seaworthy Certificate before the vessel sails.Who will issue this certificate ________.
- A.American Consul
- B.Classification Society
- C.Captain of the Port
- D.Officer in Charge,Marine Inspection
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A term applied to the bottom shell plating in a double-bottom ship is ______.
- A.bottom floor
- B.outer bottom
- C.shear plating
- D.tank top
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A deck fitting,used to secure line or wire rope,consisting of a single body with two protruding horns is called a ______.
- A.Bitt
- B.Bollard
- C.Capstan
- D.Cleat
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A design modification of an anchor chain which prevents kinking is the ______.
- A.Detachable link
- B.Stud link
- C.Kenter link
- D.Connecting link
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A continuous watertight bulkhead is normally also a(n)______.
- A.Structural bulkhead
- B.Exterior bulkhead
- C.Centerline bulkhead
- D.Joiner bulkhead
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A carling is used aboard ship ______.
- A.As a connecting strap between the butted ends of plating
- B.To stiffen areas under points of great stress between beams
- C.To prevent the anchor from fouling when the brake is released
- D.To provide an extra heavy fitting in a heavy lift cargo rig
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______ is not a static load.
- A.Actual weight of the ship's structure,outfitting,equipment and machinery
- B.Ballast load(weight)
- C.Cargo load
- D.Slamming and sloshing load
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______ is not a longitudinal structural member.
- A.sideshell
- B.bottom shell plating
- C.inner bottom plating
- D.transverse bulkhead
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A block and tackle is rove to advantage.This means that the ______.
- A.blocks have been overhauled
- B.hauling parts of two tackles are attached
- C.hauling part leads through the movable block
- D.hauling part leads through the standing block