锚泊与靠离泊作业.doc

锚泊与靠离泊作业
1、______is not a step for anchoring preparation．
A．To take off the covers from the hawse pipes and clear the spurling pipes
B．To make sure that the windlass is out of gear and the brakes are on
C．To turn the windlass over slowly
D．To inform the engine room to ensure that deck power and water are off
2、A “Mediterranean moor” should be used when ______．
A．anchoring in the Mediterranean
B．docking stern to a berth
C．docking bow to a berth
D．anchoring in a strong current
3、A ______ is the intersection of the surface of a sphere and a plane passing through the center of the sphere．
A．great circle B．small circle
C．large circle D．general circle
4、A check line is ______．
A．A safety line attached to a man working over the side
B．Used to measure water depth
C．Used to slow the headway of a barge
D．Used to measure the overhead height of a bridge
5、A Danforth lightweight anchor does NOT hold well in which type of bottom ________．
A．Mud B．Grass
C．Sand D．Clay
6、A mooring line is described as being 6x24，1-3/4 inch wire rope．What do the above numbers refer to ________．
A．Strands，yarns，circumference
B．Strands，wires，diameter
C．Wires，yarns，diameter
D．Strands，circumference，wires
7、A pilot vessel on pilotage duty at night will show sidelights and a sternlight ______．
A．When at anchor
B．Only when making way
C．At any time when underway
D．Only when the identifying lights are not being shown
8、A pilot vessel on pilotage duty shall show identity lights ______．
A．At any time while underway
B．While at anchor
C．While alongside a vessel
D．All of the above
9、A ship will always want to settle into a position where ______．
A．the pivot point and point of influence of wind in are not in alignment
B．the pivot point and point of influence of wind in are in alignment
C．the point of influence of wind moves depending on the profile of the ship presented to the wind
D．the ship steams slowly in rough seas
10、A sufficient amount of chain must be veered when anchoring a vessel to ensure ______．
A．The vessel has enough room to swing while at anchor
B．The anchor flukes bite into the ocean bottom
C．There is a sufficient scope of chain to keep the anchor on the bottom
D．There is more chain out than there is in the chain locker
11、A tug is to assist in docking an oceangoing vessel on a hawser．The greatest danger to the tug is ______．
A．From the ship's propeller when making up aft
B．From being overrun if making up forward
C．Hull damage while alongside passing a hawser
D．Getting in a tripping position
12、A vessel brought alongside should be fended off the towing vessel by ______．
A．crew members using their arms
B．crew members using the strong muscles of their legs
C．fenders
D．no fending is necessary due to the rugged construction of most towing vessels．
13、A vessel moored with two anchors，sometimes，at an exposed roadstead to ______．
A．Aid turning the ship
B．Obtain a fine bearing
C．Increase ship swings to wind or tide
D．Lighten the stress of anchor chains
14、After casting off moorings at a mooring buoy in calm weather，you should ______．
A．Go full ahead on the engine（s）
B．Back away a few lengths to clear the buoy and then go ahead on the engines
C．Go half ahead on the engines and put the rudder hard right
D．Go half ahead on the engines and pass upstream of the buoy
15、All the following is true except that ______．
A．in many places a counter current flows in opposition to the main current close to the bank
B．current can vary with depth of water and large deep draught ships can experience different current effects at differing parts of the hull tend to turn to the wind
C．as speed is reduced，the increased proportion of the ship's vector which is attributable to current will set the ship close to obstructions
D．when close to the berth in a head current，there is a danger that flow inshore of the ship becomes restricted and the ship is subject to interactive forces
16、Before letting the anchor go，you should check that the ______．
A．Chain is clear
B．Anchor is clear of obstructions
C．Wildcat is disengaged
D．All of the above
17、Consideration should be given in planning for the mooring orientation in a new location so that in adverse weather a crane is available to off-load the supply vessel on what side of the unit ________．
A．Weather side B．Leeward side
C．Upwind side D．Crosswind side
18、Conventional anchors are least likely to hold in a bottom consisting of ______．
A．soft clay B．hard mud
C．very soft mud D．sand
19、Galvanizing would not be suitable for protecting wire rope which is used for ______．
A．Cargo runners B．Mooring wires
C．Shrouds D．Stays
20、If a ship has sternway，with accommodation block aft，she may settle with the wind ______．
A．on her beam B．on her stern
C．on her bow D．broad on the quarter
21、If the ship is alongside the wharf，what kind of ______ is used?
A．pilot ladder B．rope ladder
C．rod ladder D．accommodation ladder
22、If the winch should fail while you are hauling in the anchor，what prevents the anchor cable from running out ________．
A．Chain stopper B．Devil's claw
C．Hawse ratchet D．Riding pawl
23、In determining the scope of cable to be used when anchoring，what would NOT be considered ________．
A．Depth of the water
B．Character of the holding ground
C．maintenance cost for the chain
D．Type of anchor cable
24、It is sometimes necessary to moor bow and stern to two mooring buoys in order to ______．
A．Avoid any swing in a restricted space
B．Shelter the ship from strong winds
C．Prevent from touching with other vessels
D．Make a convenience of cargo discharging
25、Mariners should ensure correct ______ of aids to navigation during twilight periods when some lighted aids to navigation are lit while others are not．
A．identification B．distinction
C．discrimination D．clearly seeing
26、On a single-screw vessel，when coming port side to a pier and being set off the pier，you should ______．
A．Swing wide and approach the pier so as to land starboard side to
B．Approach the pier on a parallel course at reduced speed
C．Make your approach at a greater angle than in calm weather
D．Point the vessel's head well up into the slip and decrease your speed
27、Owing to the big draught of the ship，she has to go alongside by the time of ______．
A．Spring tide B．Flood tide
C．Ebb tide D．Slack water
28、Pilotage in this country is _______．
A．Free of charge B．Important
C．Required D．Unnecessary
29、Sometimes lights are ______ by fog，haze，dust，smoke，or precipitation which may be present at the light，or between the light and the observer，and which is possibly unknown by the observer．
A．obscured B．darkened
C．greyed D．delighted
30、That ______ is not caused by shallow water．
A．turning ability deteriorates
B．virtual mass increases
C．the effect of the propeller transverse thrust on yaw alters
D．the ship will turn with its head towards the wind
31、The anchor chain should be kept moderately taut during a Mediterranean moor to ______．
A．Facilitate speed of recovery during the weighing process
B．Indicate the anchor's location to passing or mooring ships
C．Prevent damage to the stern in the event of a headwind
D．Provide a steady platform for the gangway between the fantail and pier
32、The anchors should be dropped well out from the pier while at a Mediterranean moor to ______．
A．Eliminate navigational hazards by allowing the chain to lie along the harbor bottom
B．Increase the anchor's reliability by providing a large catenary in the chain
C．Permit the ship to maneuver in the stream while weighing anchors
D．Prevent damage to the stern caused by swinging against the pier in the approach
33、The best method of determining if a vessel is dragging anchor is to note ______．
A．The amount of line paid out
B．How much the vessel sheers while at anchor
C．Any change in the tautness of the anchor chain
D．Changes in bearings of fixed objects onshore
34、The centre of lateral resistance is ______．
A．the center of the hydrodynamic forces acting on the underwater hull to resist the effect of the wind
B．the point of influence of wind on the ship
C．the pivot point
D．the point on the ship's above-water structure upon which the whole force of the wind can be considered an act
35、The holding capabilities of an anchor are determined PRIMARILY by the ______．
A．design of the anchor
B．weight of the anchor
C．scope of the anchor chain
D．size of the vessel
36、The length of chain between the anchor and the end of the pendant line is called the ______．
A．Pigtail chain B．Thrash chain
C．Crown chain D．Wear chain
37、The lockmaster has given you permission to tie off on the lower guide wall to wait your turn to lock through．What should you be most concerned with ________．
A．A downbound vessel
B．An upbound vessel
C．Current reaction when the lock chamber is being emptied
D．Current reaction when the lock chamber is being filled
38、The Pilotage-quarantine anchorage，______ between Damen Dao and Qingshan Dao，is defined by the lines ______ the given points．
A．Situated/connected
B．Situated/connecting
C．Situating/connected
D．Situating/connecting
39、The purpose of the stripping bar on an anchor windlass is to ______．
A．Clean off any mud that may have accumulated on the chain
B．Engage or disengage the wildcat
C．Fairlead the chain from the hawse pipe to the wildcat
D．Prevent the chain from fouling the wildcat
40、The safest device used to secure the end of the pendant wire when it is initially passed to the anchor handling vessel is a ______．
A．Pelican hook
B．Hydraulic deck stopper
C．Connecting link
D．Shackle
41、The ship ______ on a low rock was broken in two by the waves．
A．That had been driven
B．Had been driven
C．Have been driven
D．Which to have been driven
42、Wale shores would be used when drydocking a vessel with ______．
A．Tumble home
B．Excessive deadrise
C．Excessive trim
D．A list
43、What could cause a significant difference between actual chain tension and the tension measured by the tensiometer ________．
A．The type of anchor and mooring line being used
B．The type of bottom in which the ship is anchored
C．A significant difference between air and water temperature
D．The chain contacting a chock or fairlead between the tensiometer and the lower swivel fairlead
44、What effect is achieved from soaking an anchor ________．
A．It allows the bottom soil to consolidate
B．It gives the palms time to trip the anchor
C．It stabilizes the mooring system
D．It lubricates the anchor for better tripping
45、What is the best guide for determining the proper scope of anchor chain to use for anchoring in normal conditions ________．
A．One shot of chain for every ten feet of water
B．One shot of chain for every fifteen feet of water
C．One shot of chain for every thirty feet of water
D．One shot of chain for every ninety feet of water
46、What type of stopper would you use on a nylon mooring line ________．
A．Chain
B．Nylon
C．Manila
D．Wire
47、When anchored，increasing the scope of the anchor chain normally serves to ______．
A．prevent fouling of the anchor
B．decrease swing of the vessel
C．prevent dragging of the anchor
D．reduce strain on the windlass
48、When anchoring a vessel under normal conditions，which scope of chain is recommended ________．
A．Four times the depth of water
B．Two and one-half times the depth of water
C．Five to seven times the depth of water
D．Fifteen times the depth of water
49、When anchoring，good practice requires 5 to 7 fathoms of chain for each fathom of depth．In deep water you should use ______．
A．The same ratio
B．More chain for each fathom of depth
C．Less chain for each fathom of depth
D．Two anchors with the same ratio of chain
50、When dropping anchor，you are stationed at the windlass brake．The most important piece（s）of gear is（are）______．
A．A hard hat
B．A long sleeve shirt
C．Gloves
D．Goggles
51、When entering the bridge，pilots of the Suez Canal want the master of the ship to fill in ______．
A．Their yellow book
B．Their seaman's book
C．Their Pilotage form
D．Their bill of health
52、When turning a ship in restricted space with a strong wind，it is normally best to ______．
A．Go ahead on both engines with the rudder hard to one side，if on a twin-screw vessel
B．Back down with the rudder hard to one side，if on a single-screw vessel
C．Take advantage of the tendency to back to port，if on a twin-screw vessel
D．Turn so that the tendency to back into the wind can be used，if on a single-screw vessel
53、When weighing anchor in a rough sea，how would you avoid risk of damaging the bow plating ________．
A．Heave it home as fast as you can
B．Heave it home intermittently，between swells
C．Leave the anchor under foot，until the vessel may be brought before the
sea
D．Wait for a calm spot between seas，then house it
54、Which safety check（s）should be made before letting go the anchor ________．
A．See that the anchor is clear of obstructions
B．See that the chain is all clear
C．See that the wildcat is disengaged
D．All of the above
55、Which would you NOT use to report the amount of anchor chain out ? Three shots ______．
A．at the water's edge
B．on deck
C．on the bottom
D．well in the water
56、You are anchoring in 16 fathoms of water．On a small to medium size vessel，the ______．
A．Anchor may be dropped from the hawse pipe
B．Anchor should be lowered to within 2 fathoms of the bottom before being dropped
C．Scope should always be at least ten times the depth of the water
D．Scope should always be less than 5 times the depth of the water
57、You are approaching the pilot station with the wind fine on the starboard bow and making about 3 knots．You can help to calm the seas by taking what action just before the pilot boat comes along on the port side ________．
A．Backing full
B．Stopping the engines
C．Giving right full rudder
D．A short burst of ahead full with left full rudder
58、You are docking a vessel in a slip which has its entrance athwart the tide．You land the ship across the end of the pier，stemming the tide，preparatory to breaking the ship around the corner．You have one tug to assist．Where would you generally tie up the tug ________．
A．Have her on a hawser from the stern
B．Tie her up on the inshore bow to hold the ship