大副航海英语题库及答案1(丙类)
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The date and time kept in the radiotelephone log shall commence at ().
- A.midnight
- B.noon
- C.beginning of the watch
- D.any convenient time
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The characteristic of a lighted cardinal mark may be ______.
- A.very quick flashing
- B.flashing
- C.fixed
- D.occulting
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A slow，gradual fall of the barometer indicates approaching ().
- A.gale force winds within 12 hours
- B.blizzard conditions
- C.deteriorating or unsettled weather
- D.heavy，wind driven rain
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What is a convenient and effective system of examining the body of an injury victim ().
- A.Check the corresponding(left versus right)parts of the body
- B.Watch the patient's eyes as you probe parts of the body
- C.Look for discoloration of the patient's skin
- D.Look for uncontrolled vibration or twitching of parts of the body
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Would you mind ______ some dunnage materials for us ?
- A.order
- B.to order
- C.to ordering
- D.ordering
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Oil Record Book shall be carried on board by ______ which is engaged in voyages to ports or offshore terminals under the jurisdiction of other Parties to MARPOL 73/78.
- A.Oil tanker
- B.Bulk carrier of 400 gross tonnage and above
- C.Container vessel
- D.Passenger ship
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The Humboldt Current flows in which direction ().
- A.North
- B.South
- C.East
- D.West
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In towing，chocks are used to ().
- A.protect the towline from chafing
- B.secure the end of the towline on the tug
- C.stop off the towline while retrieving it
- D.absorb shock loading on the towline
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When comparing twin screw tug to single-screw tugs，which statement about a twin-screw tug is FALSE ().
- A.If one engine fails，you do not lose control of the tow
- B.It is more maneuverable
- C.It develops more bollard pull for the same horsepower
- D.It is generally subject to more propeller damage from debris in the water
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A vessel outbound from a port or pilot station within an inshore traffic zone is recommended to ______.
- A.call at a port，pilot station，destination or sheltered anchorage
- B.use the appropriate lane other than the adjacent traffic separation scheme
- C.use the inshore traffic zone
- D.join the adjacent traffic lane as soon as possible
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Which log includes a statement of the conduct，ability，and character of each crew member on the completion of a voyage ________.
- A.Official Logbook
- B.Department Logbook
- C.Crew Logbook
- D.Smooth Logbook
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The free surface effects of a partially-full tank in a floating ship increase with the ().
- A.surface area of the fluid in the tank
- B.displacement volume of the ship
- C.draft of the ship
- D.height of the tank above the keel
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Lateral movement of the vessel to leeward of its course defines ()
- A.Leeway
- B.Leeside
- C.Leeward
- D.Lee moving
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When underway in a channel，you should if safe and practicable ().
- A.stay near the middle of the channel
- B.keep to the starboard side of any vessels you meet
- C.exchange whistle signals with any other vessels in the channel
- D.keep to the side of the channel which lies to your starboard
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In determining a safe speed () shall not be among those taken into account
- A.the presence of the background light at night
- B.the state of wind，sea and current
- C.the number of crew on board
- D.the draught in relation to the available depth of water
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Spring tides are tides that ().
- A.have lows lower than normal and highs higher than normal
- B.have lows higher than normal and highs lower than normal
- C.are unpredictable
- D.occur in the spring of the year
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Support of ship side plating is provided primarily by transverse ().
- A.beams
- B.girders
- C.frames
- D.bulkheads
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A towing vessel becomes tripped while towing on a hawser astern.What factor is MOST important when assessing the risk of capsizing ________.
- A.Length of the towline
- B.Height of the towline connection
- C.Longitudinal position of the towline connection
- D.Direction of opposing force
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The unit of duration of a dash in Morse Code is ().
- A.one and one-half times the length of a dot
- B.twice the length of a dot
- C.three times the length of a dot
- D.four times the length of a dot
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The Vessel Bridge-to-Bridge Radiotelephone Act applies to ().
- A.every towing vessel of 16 feet or over in length while navigating
- B.every vessel of 50 GT and upward，carrying one or more persons for hire
- C.all aircraft operating on the water
- D.every power-driven vessel of 20 meters and upward while navigating
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Prior to reading an aneroid barometer，you should tap the face lightly with your finger to ().
- A.expose any loose connections
- B.demagnetize the metal elements
- C.bring the pointer to its true position
- D.contract and expand the glass face
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Which condition would most likely result in fog ().
- A.Warm moist air blowing over cold water
- B.Airborne dust particles
- C.Warm moist air blowing over warm water
- D.Dew point falling below the air temperature
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Compared to a low pressure system，generally the air in a high is ().
- A.Warmer，less dense，and less stable
- B.Cool，more dense，and drier
- C.Muggy and cloudy
- D.Extremely moist with high relative humidity
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In which month will the equatorial counter current be strongest ().
- A.January
- B.April
- C.August
- D.October
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An ECDIS is required to display which information ().
- A.Radar targets
- B.ARPA vectors
- C.Hydrographic data
- D.All of the above
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In ()the time of tidal current varies across the channel from shore to shore.
- A.inland tidal estuaries
- B.sea port
- C.coastal port
- D.rivers
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The fog produced by warm moist air passing over a cold surface is called ().
- A.conduction fog
- B.radiation fog
- C.frontal fog
- D.advection fog
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Fog is formed when ().
- A.The moisture in the air is condensed into small droplets
- B.Air is cooled to its dew point
- C.The base of a cloud is on the ground
- D.All of the above
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What is official proof of a vessel's ownership ________.
- A.certificate of documentation
- B.bill of lading
- C.transfer certificate
- D.logbook
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You are underway and approaching a bend in the channel where vessels approaching from the opposite direction cannot be seen.You should sound ().
- A.one blast，4 to 6 seconds in duration
- B.three blasts，4 to 6 seconds in duration
- C.one continuous blast until you are able to see around the bend
- D.one blast，8 to 10 seconds in duration
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Merchant vessels can operate in three basic ways，but ()is not one of them.
- A.liners
- B.tramps
- C.specialized vessels
- D.passenger ships
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A yellow buoy may mark a(n)().
- A.wreck
- B.shoal area
- C.anchorage area
- D.middle ground
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Which may ignite fuel vapors ().
- A.Static electricity
- B.An open and running motor
- C.Loose wiring
- D.All of the above
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In the Northern Hemisphere，winds veering sharply to the west or northwest with increasing speed are indications that a ().
- A.Cold front has passed
- B.Low pressure center is approaching
- C.Stationary front exists
- D.High pressure center has passed
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To obtain better steering control when you are towing alongside，your vessel should be positioned with its ().
- A.Bow extending forward of the tow
- B.Stern amidships of the tow
- C.Stern extending aft of the tow
- D.Bow even with the bow of the tow
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When towing astern，one way to reduce yawing of the tow is to ().
- A.trim the tow by the stern
- B.trim the tow by the head
- C.have the tow on an even keel
- D.list the tow on the side it is yawing
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What does the term TO NAVIGATE WITH CAUTION mean ().
- A.To navigate intentionally
- B.To navigate intensely
- C.To navigate carefully
- D.To navigate completely
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What is the primary equipment for receiving MSI ().
- A.SART
- B.EPIRB
- C.NAVTEX
- D.INMARSAT-B
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Vinyl chloride reacts dangerously with ().
- A.alkalies
- B.concentrated nitric acid
- C.saltwater
- D.organic acids
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If your vessel is underway in fog and you hear one prolonged and three short blasts，this indicates a ()
- A.vessel not under command
- B.sailing vessel
- C.vessel in distress
- D.vessel being towed
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Pressure gradient is a measure of ().
- A.a high-pressure area
- B.pressure difference over horizontal distance
- C.pressure difference over time
- D.vertical pressure variation
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A ship is said to drag if the anchor ().
- A.will hold her in position
- B.will prevent the movement of the ship
- C.will not move over the bottom
- D.will not hold her in position
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Reserve buoyancy is the ().
- A.Unoccupied space below the waterline
- B.Volume of intact space above the waterline
- C.Excess of the buoyant force over the gravity force
- D.Difference in the buoyant force in salt and fresh waters
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The period at high or low water during which there is no apparent change of level is called ().
- A.HEIGHT
- B.RANGE
- C.STAND
- D.FALL
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The control of distress traffic is the responsibility of _____.
- A.the owners
- B.the charterers
- C.the shipper
- D.the vessel in distress or of the station that relays the distress message
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What is a common unit of measure for atmospheric pressure ().
- A.Centimeters
- B.Inches
- C.Degrees
- D.Feet
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You are making a telephone call ship-to-shore using the VHF-FM service.You can tell that the working channel is busy if you hear ().
- A.Speech
- B.Signaling tones
- C.A busy signal
- D.All of the above
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Gangway ______ with pilot ladder on my starboard sid
- A.Being rigged combined
- B.Is rigged combining
- C.Rigs combining
- D.Is rigged combined
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According to Buys Ballot's law，when an observer in the Northern Hemisphere experiences a northwest wind，the center of low pressure is located to the ().
- A.northeast
- B.west-southwest
- C.northwest
- D.south-southeast
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______ tankers over 100 meters long must not proceed beyond Dongbei Buoy.
- A.Loading
- B.Load
- C.Lade
- D.Laden