首页 › 答案 › 题库 › 知到智慧树

未分类

149101Deadweight， which is the cargo carrying capacity of a vessel in tons， is determined by（）.
149102（）refers to the depth of a vessel below the waterline，measured vertically to the lowest part of the hull，propellers or other reference points.
149103Displacement refers to the（）.
149104A definite advantage of using water as a fire extinguishing agent is its characteristic of（）.
149105If the coxswain of your lifeboat gives the command HOLD WATER， you should（）.
149106Large volumes of carbon dioxide are safe and effective for fighting fires in enclosed spaces， such as in a pumproom， provided that the（）.
149107Liferafts intended for throw overboard launching shall be so stowed as to be readily transferable for launching on either side of the ship unless liferafts are stowed readily for launching（）.
149108An inflatable life raft is thrown into the water from a sinking vessel.What occurs automatically after the painter trips the CO2 bottles to inflate the raft？
149109You board an inflatable liferaft that has been hand launched from a sinking vessel.What should you do FIRST after everyone is onboard the liferaft？
149110Which of the following is（are） an advantage of a dry chemical extinguisher over a carbon dioxide extinguisher？ The dry chemical extinguisher（）.① Has a greater range.② Provides a heat shield for the operator.
149111An inflatable life raft can be launched by（）.
149112Firefighting foam is only effective when the foam（）.
149113The survival craft carried aboard a commercial fishing vessel must safely Accommodate（）
149114An inflatable life raft is hand-launched by（）.
149115An emergency sea anchor may be constructed by using（）.
149116It is necessary to secure the forced ventilation to a compartment where there is a fire to（）.
149117The vessel’s quarter is located（）.
149118Freeboard is measured from the upper edge of the（）.
149119Forecastle deck is located in the ships（）.
149120A traffic separation zone is that part of a traffic separation scheme which（）.
149121In determining a safe speed（）shall be taken into your consideration.
149122A sailing vessel is proceeding along a narrow channel and can safely navigate ONLY inside the channel.The sailing vessel approaches a vessel engaged in fishing in the narrow channel.Which statement is TRUE？
149123Which statement is TRUE concerning risk of collision？
149124Which of the following statement is correct regarding ship handling when in the vicinity of traffic separation schemes？（1）A vessel shall，so far as practicable，avoid crossing traffic lanes（2）If obliged to cross traffic lanes，she shall do so as nearly as pr
149125A power（）driven vessel operating in a narrow channel with a following current， on the Western Rivers， is meeting an up bound vessel.Which statement is TRUE？
149126By radar alone， you detect a vessel ahead on a collision course， about 3 miles distant.Your
149127The Navigation Rules state that a vessel shall be operated at a safe speed at all times so that she can be stopped within（）.
149128Your vessel is crossing a narrow channel.A vessel to port is within the channel and crossing your course.She is showing a black cylinder.What is your responsibility？
149129Every vessel that is to keep out of the way of another vessel must take positive early action to comply with this obligation and must（）.
149130In a traffic separation scheme， when joining a traffic lane from the side， a vessel shall do so（）
149131Risk of collision may exist（）.
149132Every vessel should at all times proceed at a safe spee
149133While underway your vessel approaches a bend in a river where， due to the bank， you cannot see around the bend.You should（）
149134When navigating in thick fog with the radar on，you should（）.
149135When action to avoid a close quarters situation is taken， a course change alone may be the most effective action provided that（）.
149136Systems of inbound and outbound lanes to promote the safe flow of vessel traffic in certain areas around the world are known as（）
149137Your 15-meter tug is underway and crossing a deep and narrow channel.A large container vessel is of your port bow on a steady bearing.Which statement is true concerning this situation ？
149138The rules state that vessels may depart from the requirements of the Rules when（）.
149139Vessel shall normally join or leave a traffic lane（）of the lane.
149140The distance that a vessel travels from the time that the order to put engines full astern until the vessel is dead in the water is known as（）
149141One major advantage of the round turn maneuver in an man overboard situation is that it（）.
149142Which standard man overboard manoeuvre is considered the best during bad visibility conditions？
149143Current refers to the（）.
149144It is easier to dock a right hand ， single screw vessel（）.
149145A vessel is equipped with twin propellers，both turning outboard with the engines half ahead.If there is no wind or current and the rudders are amidships，what will happen？
149146THE SPEED OF A VESSEL ADJUSTED TO THAT OF A PILOT BOAT AT WHICH THE PILOT CAN SAFELY EMBARK is（）.
149147If you must enter water on which there is an oil fire， you should（）.
149148The key factors to consider when approaching a casualty vessel or survivors are（）1.If a lee side protection is require。2.The rate of drift of the casualty vessel or survivors.3.The rate of drift of the rescue vessel.
149149The side of a ship which is farther from the wind is（）
149150In ballasting to survival draft .while in transit， due to extreme wind and wave loads， thrusters or propulsion， if available， should be used to（）
149151In a following sea， a wave has overtake your vessel and thrown the stern to starboard .to continue along your original course， you should（）
149152A single-screw vessel going ahead tends to turn more rapidly to port because of propeller（）.
149153A vessel travelling down a narrow channel， especially if the draft is nearly equal to the depth of water， may set off the nearer side.This effect is known as .
149154Your ship is dead in the water with the rudder amidships.As the right-handed screw starts to turn ahead，the bow will tend to go（）.
149155A vessel fitted with twin screws is easier in（）than a vessel with single screw.
149156You may BEST turn a twin-screw vessel about，to the right，in a narrow channel by using（）.
149157A twin-screw vessel can clear the inboard propeller and maneuver off a pier best by holding a（n） .
149158A race track turn would be better than a Williamson turn in recovering a man overboard if .
149159You should conduct a sector search under which of the following circumstances？
149160A sling psychrometer is a（n）（）.
149161Ocean currents are well defined and（）.
149162One of the factors which affects the circulation of ocean currents is（）
149163Altocumulus clouds are defined as（）.
149164Anticyclones are usually characterized by（）.
149165When winds of force reach 10-11 in Beaufort Scale，usually we call such winds as（）.
149166A sea breeze is a wind（）.
149167A psychrometer has two thermometers that provide dry bulb and wet bulb temperatures.By comparing these two temperature readings with a set of tables， you can determine the（）
149168The legend/symbol which designates an occluded front is represented by a（）.
149169A generally circular low pressure area is called a（n）（）.
149170The atmosphere in the vicinity of a high pressure areas is called a（n）（）.
149171Pressure gradient is a measure of（）.
149172Clouds appearing in the following order：cirrus， cirrostratus， altostratus， stratus， and nimbostratus usually indicate the approach of a（n）（）.
149173An occluded front is caused by a（n）（）.
149174Advection fog is most commonly caused by（）.
149175A hygrometer is device used for determining（）.
149176A cyclone in its final stage of development is called a（n）（）.
149177A cloud of marked vertical development（often anvil-shaped） would be classified as（）.
149178A boundary between two air masses is a（n）（）.
149179Which general statement concerning radar is FALSE？
149180When using a radar in a unstabilized mode， fixes are determined most easily from（）.
149181When hitting a solid object such as a ship or an airplane， the radar waves are reflected back（）they came.
149182The radio waves used for radar are very short，only（）long.
149183The ARPA may swap targets when automatically tracking if two targets（）
149184The 10-cm radar as compared to a 3-cm radar of similar specifications will（）.
149185Radar makes it possible and much safer for us to sail（）.
149186The abbreviation PPI in the Sperry Collision Avoidance System means（）.
149187The correct method of switching off a marine radar is to turn power switch to（）position first， then to（）position.
149188How is the annual rate of change for magnetic variation shown on a pilot chart？
149189Lines on a chart which connect points of equal magnetic variation are called（）.
149190Many of the soundings shown on the chart are derived from（）， Undue reliance should not be placed upon them.
149191The datum from which the predicted heights of tides are reckoned in the tide table is（）.
149192The arrangement of charts in the catalogue is（）.
149193All of the following information concerning lighted aids to navigation may be read directly from the light list except the（）
149194In which source could you find the number of a chart for a certain geographic area？
149195Which is a weekly publication advising mariners of important matters affecting navigational Safety ？
149196From（）the mariner can know the data of tide.
149197Data relating to the direction and velocity of rotary tidal currents can be found in the（）
149198What is the tidal height？
149199The average time between two high waters is 12 hours and 25 minutes because this is the time it takes for（）.
149200When reversing， the tidal stream will have a period with little or no effect.This is call the（）.
‹1…149114921493…3096›