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- A.true bearing of the transmitter
- B.relative bearing of the transmitter
- C.heading of the vessel
- D.time of reception
- A.Flinders bar first，then the heeling magnet and spheres
- B.Heeling magnet first，then the Flinders bar and spheres
- C.Flinders bar first，then the spheres and heeling magnet
- D.Spheres first，then the Flinders bar and heeling magnet
- A.Rate of turn
- B.Latitude and longitude
- C.Navigational status
- D.All of the above
- A.Call sign and IMO number
- B.Course over ground and MMSI
- C.MMSI number and call sign
- D.Route Plan and navigational status
- A.A decreasing reading on loran pair 9960-X
- B.The bearing of Wolf Trap Light changing to the right
- C.Increasing soundings
- D.The bearing of Wolf Trap Light changing to the left
- A.It cannot be used in all parts of the world
- B.There are 12 functioning GPS satellites at present
- C.It may be suspended without warning
- D.Two position lines are used to give a 2D fix
- A.Pulse width
- B.Pulse repetition frequency
- C.Peak power
- D.Target brightness
- 8
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Which of the following statements is TRUE regarding automatic identification systems（AIS）________．
- A.AIS cannot be used to make passing arrangements because the system is not capable of this type of ship-to-ship communications
- B.AIS cannot be used to make passing arrangements because the ship-to-ship text messaging feature is for emergency use only
- C.AIS can be used to make passing arrangements via ship-to-ship text messaging but a vessel operator is not relieved from the requirement to sound whistle signals or make arrangements via bridge-to-bridge radiotelephone
- D.AIS can be used to make passing arrangements via ship-to-ship text massaging thus relieving a vessel operator from making such arrangements via bridge-to-bridge radiotelephone or signaling intent to pass via whistle signals
- A.Radio communications allow the crane operator to disregard the use of hand signals
- B.The crane operators and signalman must be familiar with the correct hand signals
- C.The forward cranes can be operated from the bridge
- D.The aft cranes can be operated from the aft steering station
- A.Immediately
- B.After one hour
- C.Only when another vessel is in sight
- D.Only after sunset
- A.Radar
- B.GPS
- C.DF
- D.Satellite Navigator
- 12
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Which of the following statements is TRUE regarding automatic identification systems（AIS）________．
- A.AIS is a global tracking system that relies upon INMARSAT C service to communicate vessel position and other safety related information to similarly equipped vessels，aircraft and shore stations within the area
- B.AIS is a short-range 3 cm X-band radar system that automatically sends a vessel's position and other safety related information to similarly equipped vessels，aircraft and shore stations within the area
- C.AIS is a short-range VHF-FM system that automatically broadcasts a vessel's position and other safety related information frequently to similarly equipped vessels，aircraft and shore stations within the area
- D.AIS is a one-way centrally managed system that requires the local VTS to send commands to instruct each vessel to broadcast position and other safety related information to similarly equipped vessels，aircraft and shore stations within the area
- A.Satellite clock
- B.Ship's speed
- C.Atmospheric/ionospheric propagation
- D.Receiver
- A.10 meters
- B.20 meters
- C.50 meters
- D.100 meters
- A.Parallel bearings
- B.Long-range bearings
- C.Short-range bearings
- D.Cross bearings
- A.Their transmitters
- B.Their receivers
- C.Their radars
- D.Their lorans
- A.High frequency pulses
- B.Combinations of high and low frequency pulses
- C.The same frequency for all stations in a chain
- D.Varied long and short pulses
- A.one
- B.two
- C.three
- D.four
- A.An atomic time standard
- B.Daylight Savings Time
- C.Eastern Standard Time
- D.Greenwich Mean Time
- A.Atmospheric noise and radiated power
- B.The frequency band selected and time of day or night
- C.Interference and position of the moon
- D.Radiated power and nearness to shore
- A.Mate's license
- B.Restricted radiotelephone operator permit
- C.Second-class radio operator's license
- D.Seaman's document
- A.Focus line
- B.Base line
- C.Side line
- D.Center line
- A.Ground waves
- B.Skywaves
- C.Either ground waves or skywaves interchangeably
- D.An average between ground wave and skywave positions
- A.Navigational satellites
- B.Loran
- C.Omega
- D.Any of the above
- A.3
- B.12
- C.18
- D.24
- A.DCU
- B.UTC
- C.ENC
- D.MENU
- A.AIS
- B.ECDIS
- C.GPS
- D.VDR
- A.Full confirmation
- B.Precise appreciation
- C.Immediate assessment
- D.Timely recognition
- A.direction of a target
- B.distance to a target
- C.size of a target
- D.shape of a target
- A.Latitude
- B.Longitude
- C.Speed
- D.Time
- A.Bell alarm to warn the user
- B.Lighted alarm signal to warn the user
- C.Alternate signal keying system
- D.View finder for each station
- A.Radar
- B.Omega
- C.Satellite navigator
- D.DF
- A.Less signal energy is necessary for receiver operation
- B.More signal energy is available at the receiver
- C.It significantly increases the peak power
- D.It increases the signal capacity
- A.Reflected electron
- B.Electrical radiation
- C.Quarterpoint electrical navigation
- D.Hyperbolic radio navigation
- A.Hyperbolic，long-range navigation system
- B.Short-range electronic
- C.Long-range，high frequency navigation system
- D.Long-range，with a frequency of 1950 kHz
- A.At close range
- B.At end on situation
- C.At head on situation
- D.At crossing situation
- A.To get
- B.To approach
- C.To proceed
- D.To close
- A.only accurate during daylight hours
- B.much less accurate
- C.only accurate at twilight
- D.more accurate than using ground waves
- A.2° while the vessel is on an intercardinal heading
- B.1° while the vessel is on a compass heading of 000°
- C.2° and is constant on all headings
- D.1° while the vessel is on a compass heading of 180°
- A.The SART's blips on the PPI will begin arcing and eventually become concentric circles
- B.The DSC unit will react to the SART's signal and respond with the two-tone autoalarm
- C.The SART can provide an approximate location to within a two nautical mile radius per IMO standards
- D.The SART signal appears as a target which comes and goes; the effect of heavy swells on a SART
- A.Skip zone
- B.Blackout zone
- C.Diffraction zone
- D.Shadow zone
- A.21-Aug-99
- B.21-Sep-99
- C.October 31，1999
- D.31-Dec-99
- A.Flinders bar
- B.Transverse magnets
- C.Fore-and-aft magnets
- D.Soft iron spheres on the sides of the compass
- A.Fore-and-aft and athwartships magnets
- B.Dip needle and heeling magnet
- C.Heeling magnet and Flinders bar
- D.Flinders bar and quadrantal spheres
- A.Decreasing loran readings on 9960-W
- B.Visual bearings of Montauk Point Lt．changing to the left
- C.Increasing bearings of Southeast Point Light
- D.Decreasing soundings
- A.enter a traffic separation zone
- B.cross a submerged pipeline
- C.depart a regulated area
- D.depart a restricted area
- A.provide safety-related information automatically to shore stations，other vessels and aircraft
- B.receive safety-related information automatically from similarly equipped vessels
- C.exchange safety-related information with shore-based facilities
- D.All of the above
- A.Spider element
- B.Sensitive element
- C.Link arm
- D.Pickup transformer
- A.Pass through the body with little absorbed by the system
- B.Help to prevent fatigue
- C.Quench thirst for only 2 hours
- D.Help to prevent seasickness
- A.Spider element
- B.Mercury ballistic
- C.Gyrotron
- D.Rotor
- A.satellite communications
- B.navigational information
- C.weather information
- D.position reporting service
- A.The horizontal component of the permanent magnetism
- B.Deviation caused by the vessel's inclination from the vertical
- C.Induced magnetism in the horizontal soft iron
- D.Induced magnetism in the vertical soft iron
- 53
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A compass card without north-seeking capability that is used for relative bearings is a（n）______．
- A.Bearing circle
- B.Pelorus
- C.Bearing bar
- D.Alidade
- A.ZERO CLEARING
- B.ANTI-CLUTTER-RAIN
- C.DIMMER
- D.CURSOR
- A.He space component
- B.Control component
- C.User component
- D.Alarming component
- A.RINGS INT
- B.SWEEP INT
- C.REPEATER
- D.GONIOMETER
- A.detective Availability
- B.local environmental conditions
- C.autonomous mode versus differential correction mode versus RTCM mode
- D.the averaging of recorded locations
- A.Deviating from a planned route
- B.Approach to waypoints and other critical points
- C.Light house detecting
- D.Larger scale chart available
- A.Vector chart format
- B.Raster chart data
- C.pixel
- D.Electronic Nautical Chart
