更多"Where a propeller shaft passes thro"的相关试题:
[单项选择]Where a propeller shaft passes through the hull,water is prevented from entering by means of a().
A. stuffing box
B. propeller boss
C. seacock
D. stop-water
[单项选择](),where the ship is docked for hull coating renewal, and for any other required underwater work to be carried out, when the opportunity is taken to make other repairs.
A. Voyage repairs
B. Routine docking
C. Damage repairs
D. Conversion
[单项选择]When a line is subject to wear where it passes through a mooring chock,it should be().
A. wormed,parceled,and served
B. wrapped with heavy tape
C. wrapped with chafing gear
D. wrapped in leather
[单项选择]The central longitudinal structural hull strength member of the lower hulls of semisubmersible ship’s is called the().
A. stress plate
B. keel
C. rider plate
D. main beam
[单项选择]The two factors which make underwater hull repair difficult are accessibility and the().
A. availability of tools
B. shape of the hull
C. pressure exerted by the water
D. threat of progressive flooding
[单项选择]Insufficient space between the hull and bottom in shallow water will prevent normal screw currents resulting in ().
A. waste of power
B. sudden sheering to either side
C. sluggish rudder response
D. All of the above
[单项选择]The athwartship hull structural members of a ship are().
A. stringers
B. girders
C. breasthooks
D. deck beams
[单项选择]The structural members of the hull extending in a fore and aft direction are called ().
A. frames
B. joiners
C. longitudinals
D. knees
[单项选择]Repairing damage to the hull at or above the waterline reduces the threat of().
A. free surface effects
B. capsizing
C. continued progressive flooding
D. wind heel
[单项选择]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
[单项选择]To prevent a wooden hull from leaking you caulk it().
A. after drydocking,while the hull is moist
B. after drydocking,and the hull has dried
C. afloat,where it is leaking
D. afloat,in all accessible areas
[单项选择]The distance between the bottom of the hull and the waterline is called ().
A. tonnage
B. reserve buoyancy
C. draft
D. freeboard
[单项选择]Deck machinery, which is also known as hull machinery, includes all power driven equipment located ()the machinery spaces that is () with the main propulsion plant.
A. inside;associated
B. inside;not associated
C. outside;associated
D. outside;not associated
[单项选择]The two courses of action if the underwater hull of a ship is severely damaged are to plug the openings and to().
A. dewater the compartment
B. establish and maintain flooding boundaries
C. secure power to the compartment
D. counter flood to maintain even keel
[单项选择]The accident()caused damage to my hull.
A. have
B. is
C. will
D. has
[单项选择]I herely request permission to()the ship hull for routine maintenance.
A. put paint on
B. apply paint onto
C. oil
D. paint
[单项选择]I hereby request permission to()the ship hull for routine maintenance.
A. operate
B. repair
C. oil
D. paint
[单项选择]A vessel is constructed with a steel hull and an aluminum superstructure. Which statement is TRUE?()
A. The aluminum will provide greater resistance to the spread of fire by conduction
B. The aluminum structure is usually attached to a steel coaming by a method that insulates the two metals
C. If the superstructure is stressed,an aluminum structure requires additional expansion joints to prevent fracture
D. The steel at the area of the aluminum-to-steel connection must be closely checked for galvanic corrosion
[单项选择]Small hull leaks can be temporarily repaired by().
A. parcelling
B. parbuckling
C. caulking
D. seizing