A wedge of water building up between the bow and nearer bank which forces the bow out and away describes ______.A.bank cushionB.bank suctionC.combined effectD.bend effect
A wedge of water building up between the bow and nearer bank which forces the bow out and away describes ______.
A.bank cushion
B.bank suction
C.combined effect
D.bend effect
相关考题：
首推全速向右！A.Bow stern full to port!B.Bow stern half to port!C.Bow thrust full to starboard !D.Bow thrust full to port!
A predictable result of a vessel nearing a bank or edge of a channel is that the ______.A.stern is drawn to the bank as the bow sheers offB.bow sheers toward the bankC.vessel continues in a straight line，but with greatly reduced maneuverabilityD.vessel will be drawn bodily into the bank unless the engines are stopped
You are on a 165-foot (50.3 meters) long vessel with a draft of 9 feet (2.7 meters) and twin screws. Which statement about rescuing a survivor in the water with ship pickup is TRUE?A.You should stop to windward of the man and drift down on himB.You should stop with the man on your weather beam and twist the ship up to himC.A pickup off the weather bow gives maximum maneuverability with the least possibility of injury to the manD.Ship pick up should never be used with a shallow draft vessel
A vessel traveling down a narrow channel，especially if the draft is nearly equal to the depth of the water，may set off the nearer side. This effect is known as ______.A.smelling the bottomB.squattingC.bank suctionD.bank cushion
When attempting an upstream landing while pushing empty barges ahead in a hard onshore wind，the approach is best made ______．A.With bow out，stern inB.With bow in，stern outC.Parallel to the dock，as close in as possibleD.Parallel to the dock，as far out as possible
You are on a 50.3 meters long vessel with a draft of 2.7 meters and twin screws．Which statement about rescuing a survivor in the water with ship pickup is TRUE ________．A.You should stop to windward of the man and drift down on himB.You should stop with the man on your weather beam and twist the ship up to himC.A pickup off the weather bow gives maximum maneuverability with the least possibility of injury to the manD.Ship pick up should never be used with a shallow draft vessel
首推半速向右！（）A、Bow stern full to port!B、Bow stern half to port!C、Bow thrust half to starboard !D、Bow thrust full to port!
首推全速向左！（）A、Bow stern full to port!B、Bow thrust half to port!C、Bow thrust full to starboard !D、Bow thrust full to port!
单选题You are on a 165-foot (50.3 meters) long vessel with a draft of 9 feet (2.7 meters) and twin screws. Which statement about rescuing a survivor in the water with ship pickup is TRUE? （）AYou should stop to windward of the man and drift down on himBYou should stop with the man on your weather beam and twist the ship up to himCA pickup off the weather bow gives maximum maneuverability with the least possibility of injury to the manDShip pick up should never be used with a shallow draft vessel
单选题While your vessel is docked port side to a wharf，a sudden gale force wind causes the vessel’s bow lines to part.The bow begins to fall away from the dock，and no tugs are immediately available.Which measure（s）should you take FIRST（）.ACall the Master and the deck gangBSlip the stern lines，let the vessel drift into the river，and then anchorCLet go the starboard anchorDObtain assistance and attempt to put some new bow lines out
单选题Your ship is in shallow water and the bow rides up on its bow wave while the stern sinks into a depression of its transverse wave system. What is this called?（）.ABroachingBFish tailingCSquattingDParallel sinkage
单选题If you must land on a beach with an oar-propelled lifeboat through a heavy surf，the recommended method is to（）.Akeep the bow directly in toward the beach，and tow the sea anchor off the sternBride in on the back of a large breakerCkeep the bow into the seas with the sea anchor out over the bow，and row to meet the breaking wavesDhead directly into the beach by staying between the crests of the waves
单选题What is the most important difference between the bow type anchor shackle and the D-type anchor shackle? （）AThe bow type shackle provides a superior connectionBThe D-type shackle is weaker than the bow typeCThe bow type shackle is weaker than the D-typeDThe D-type shackle provides an inferior connection
单选题Two types of anchor shackles which are currently available are（）.AU-Type and posilok shacklesBC-Type and wedge shacklesCD-Type and bow shacklesDwedge and kenter shackles
单选题（）is placed in the front of the ship under the water,which eases berthing or ma-noeuvering sideways at slow speed.AThe bulbous bowBThe anchorCThe bow thursterDThe propeller
单选题Your vessel is listing 4° to port and has a short rolling period. There is loose firefighting water in the hull. The ship is trimmed down by the head with one foot of freeboard at the bow. Which action should you take FIRST?（）APress up the slack NO.1 starboard double bottom tankBPump out the forepeak tankCEliminate the water in the 'tween decks aft
单选题The effect known as bank cushion acts in which of the following ways on a single-screw vessel proceeding along a narrow channel? （）AIt forces the bow away from the bankBIt forces the stern away from the bankCIt forces the entire vessel away from the bankDIt heels the vessel toward the bank
单选题When landing a lifeboat through heavy surf with a strong current running parallel to the beach (from right to left when facing from seaward) the recommended procedure is to（）.Aapproach while coming to the left to take advantage of the currentBdrop an anchor outside the surf line，then pay out anchor line over the bow while the seas carry the boat toward the beachCapproach slow enough so that the boat can be brought around to meet breaking seas on the bowDrig a drogue with tripping line over the bow，back ashore with drogue tripped between breakers
单选题A wedge of water building up between the bow and nearer bank which forces the bow out and away describes（）.Abank cushionBbank suctionCcombined effectDbend effect
单选题A predictable result of a vessel nearing a bank or edge of a channel is that the（）.Astern is drawn to the bank as the bow sheers offBbow sheers toward the bankCvessel continues in a straight line，but with greatly reduced maneuverabilityDvessel will be drawn bodily into the bank unless the engines are stopped
单选题When a man who has fallen overboard is being picked up by a lifeboat，the boat should approach with the wind（）.Aastern and the victim just off the bowBahead and the victim just off the bowCjust off the bow and the victim to windwardDjust off the bow and the victim to leeward
单选题When attempting an upstream landing while pushing empty barges ahead in a hard onshore wind，the approach is best made（）.Awith bow out，stern inBwith bow in，stern outCparallel to the dock，as close in as possibleDparallel to the dock，as far out as possible
单选题Which of the following radar contacts will present the most immediate danger?（）.AA vessel on the starboard bow whose bearing is changing and range is decreasingBA vessel on the starboard bow whose bearing is steady and range is increasingCA vessel on the port bow whose bearing is steady and range is decreasingDA vessel on the port bow whose bearing is changing to the left and range decreasing
单选题Your vessel is listening 4°to port and has a short rolling period. There is loose firefighting water in the hull. The ship is trimmed down by th end with one foot of freeboard at the bow. Which action should you take first?（）APress up the slack No.1 starboard double bottom tankBPump out the forepeak tankCEliminate the water in the tween decks aftDJettision stores out of the paint locker in the focsle
单选题When jumping into water upon which there is an oil-fire，you should（）.Abreak the water surface with your hands when diving head-firstBuse your hands to hold your knees to your chestCcover your eyes with one hand while pinching your nose shut and covering your mouth with the otherDenter the water at the bow or stern on the windward side of the vessel
单选题Which data is not painted on the bow of a lifeboat?（）.ANumber of persons allowedBName of the vesselCWeight of the boatDHome port