Winch gears must be maintained in proper alignment to prevent （）.

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• The main steering gear must be able to steer the ship at maximum ahead service speed and be capable at this speed, and at the ships deepest service draught, of putting the rudder from 35 degrees on one side to 30 degrees on the other side within no （）.

  A . more than 28 seconds B . more than 60 seconds C . less than 28 seconds D . less than 60 second

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• Chafing gear should be placed（）.

  A . at all wearing points of mooring lines B . at the bitter ends of all standing rigging C . around running rigging D . on wire rope only

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• I saw your man not operating the winch gear（）gear.

  A . in B . by C . of D . against

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• （）are used for anchor gear in marine work where the chains must withstand the corrosive effects of seawater.

  A . Chains B . Wires C . Ropes D . Line

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• Before engaging the turning gear and turning the diesel engine, which of the following operation should be done except （）

  A . open the indicator cocks B . supply some LO to cylinder liner wall with lubricator C . put the fuel handle in the "stop" position D . pump up the air bottle

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• The clutch band of a constant tensioning mooring winch must be set up tight enough to drive the winch drum and should slip only when （）.

  A . excessive loads are placed on the winch B . minimum pull is being exerted by the winch C . automatic operation of the winch is desired D . wire is being retrieved at the maximum rate

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• Pitting in the area close to the pitch line and on the same end of each gear tooth of a reduction gear unit would be caused by （）

  A . corrosion on the gears B . excessive gear speed C . dirt in the oil D . misalignment of the gear

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• In an electro-hydraulic steering gear system, when will the variable displacement pump be placed on stroke?（）

  A . When the helm is at any angle other than amidships B . When the six-way valve is opened C . When the ram relief valves lift D . When the redder angle is different from the position of the helm

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• On your vessel，a wire rope for the cargo gear shows signs of excessive wear and must be replaced. In ordering a new wire for this 10-ton boom，what safety factor should you use?（）

  A . Three B . Five C . Six D . Seve

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• （） allows the engine to be placed wherever is most suitable, as they no longer have to be aligned with reduction gearing and shafting as is the case with conventional installations.

  A . Diesel engine propulsion B . Diesel electric propulsion C . Steam engine propulsion D . Gas turbine propulsio

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• The oil in a cargo winch gear box should be sampled periodically to （）.

  A . prevent the gear box from leaking B . prevent the oil from becoming inflammable C . make sure it has not become contaminated D . make sure the motor bearings are lubricated

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• According to Regulations, a power driven auxiliary steering gear for a vessel capable of a 12 knot service speed, must be able to meet the rudder movement requirements at which of the minimum vessel speeds listed below?（）

  A . 6 knots B . 7 knots C . 9 knots D . 12 knot

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• According to Regulations, a power driven auxiliary steering gear for a vessel capable of a 20 knot service speed, must be capable of producing a rudder movement at which of the minimum speeds listed below?（）

  A . 7 knots B . 10 knots C . 15 knots D . 20 knot

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• According to the way the steering gear is operated, the steering gear may be divided into: hand - steering, （） and automatic steering.

  A . hydraulic steering B . follow-up steering C . remote control steering D . air controlled steering

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• The amount of fluid delivered by a gear pump can be regulated by （）.

  A . throttling the pressure line B . changing the speed of the rotor C . either A or B D . None of the above is true

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• With（） the engine need not to be aligned with reduction gears or propeller shaft.

  A . Diesel engine propulsion B . Diesel electric propulsion C . Steam engine propulsion D . Gas turbine propulsio

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• When hoisting a boat on gravity type davits using an electric motor driven winch，the davit arms should be brought up（）.

  A . to their final position with the winch operating at slow speed B . to the bar stop，and then hand cranked to their final position C . until just before they make contact with the limit switch，and then hand cranked to their final position D . to the embarkation deck，and then hand cranked to their final positio

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• In case of your steering gear failed，（）should be exhibited in shapes or lights.

  A . not under command B . restricted in her ability to manoeuvre C . restrained by her draught D . underway

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• In the cargo winch, spur reduction gearing transfers the motor drive to （）.

  A . the toping light B . the board brake C . the fail-safe D . the barrel shaft

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• Before starting the turning gear, （） should be worked by hand to minimize corrosive action on the liners.

  A . the indicators B . the starting valves C . the cylinder lubricators D . the turning gear

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• Rotation of the steering wheel on the navigation bridge initiates oil pressure being applied to the steering gear rams by （）.

  A . regulating the oil flow with the six-way valve B . moving the automatic differential valve C . moving the receiving tele-motor which regulates the two-way valve D . varying the angle of a tilting box or eccentricity of a floating ring

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• In case of your steering gear failed,（）should be exhibited in shapes or lights.

  A . not under command B . restricted in her ability C . restrained by her draught D . underway

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• In automatic （） the winch may be overhauled and wire is paid off the barrel at a pre-determined maximum tension.

  A、cranes B、windlass C、capstans D、mooring winches

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• How could lashing gear used aboard Ro-Ro vessels be stowed when not in use? （）

  A . Drape along brackets B . Leave in place while back loading cargo to save time C . Hang vertically in the paint locker D . All of the above

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