It is required that______should be used during the poor visibility if the radar’s screen shows heavy sea returns．A.Gain ControlB.Brilliant ControlC.Anti-clutter Sea ControlD.Sweep Intercept
It is required that______should be used during the poor visibility if the radar’s screen shows heavy sea returns．
A.Gain Control
B.Brilliant Control
C.Anti-clutter Sea Control
D.Sweep Intercept
相关考题：
His health is ( ). A、poor as his sister’s if not poorB、as poor, if not poorer than, his sisterC、as poor, if not poorer than sister’sD、as poor as, if not poorer than, his sister’s
Radar reflectors are required for ______.A.all fishing vessels over 39 feet in lengthB.sail-propelled fishing vesselsC.all fishing vessels of less than 200 GTD.wooden hull fishing vessels with a poor radar echo
An engineer is reviewing another engineer‘s sample configuration for a GRE tunnel used to pass IPv6 traffiC. The tunnel ha s not yet been configured on the router.Which of the following commands is not required for the configuration to pass IPv6 traffic?（）A. tunnel sourceB. tunnel destinationC. tunnel modeD. All these commands are requireD
My radar is not working．I require shorebased radar assistance．Is shorebased radar assistance ________ ？A.usedB.availableC.in useD.can be used
What is(are) standard operating procedure(s) used on a Ro-Ro vessel?A.Periodic inspection and retensioning of lashings as required during voyageB.Lashings may be completed after the vessel leaves portC.One QMED assigned to oversee the initial loading and lashingD.All of the above
Coast Guard approved buoyant work vests ______．A.may be substituted for 10 percent of the required life preserversB.should be stowed adjacent to lifeboats and emergency stationsC.may be used by boat crews and line handlers during lifeboat drillsD.should be used when carrying out duties near a weather deck's edge
Which statement is TRUE concerning buoyant work vests aboard tankers ________．A.They may be worn while working on deck but not while working over the sideB.They must be used only under supervision of a designated ship's officerC.They will be accepted for up to 10% of the required life preserversD.They may be worn during drills
______should be used during the poor visibility if the rader’s screen shows heavy sea returns.A.Gain ControlB.Brilliant ControlC.Anti-clutter Sea ControlD.Sweep Intercept
单选题What is(are) standard operating procedure(s) used on a Ro-Ro vessel? （）APeriodic inspection and retensioning of lashings as required during voyageBLashings may be completed after the vessel leaves portCOne QMED assigned to oversee the initial loading and lashingDAll of the above
单选题You are in restricted visibility and hear a fog signal forward of the beam. Nothing appears on your radar screen. You must（）.Astop your enginesBsound two prolonged blasts of the whistleCsound the danger signalDslow to bare steerageway
单选题Which conditions will normally cause a SART to operate in the active mode?（）AIt will respond only to interrogation by 9-Ghz radar signalsBA SART will normally respond to interrogation from a searching vessel's radar if the radar antenna is at least 15 meters highCA SART will normally respond to interrogation from a searching aircraft's radar if the radar's output power is at least 10，000 watts and the aircraft is at a height of 3000 feet and within 30 nautical milesDAll of the above
单选题The required fireman’s outfits required for ship’s are not to be used for any other purpose EXCEPT for the（）.Aoxygen and explosion meter when it is used for detection of flare gasesBself-contained breathing apparatus，when used as protection from gas leaking from a refrigeration unitCboots and gloves that are made of rubber or electrically non-conductive material，if used when repairing electrical equipmentDlifeline，if used by personnel entering a compartment which might be deficient of oxygen
单选题The term restricted visibility，when used in the Rules，refers to（）.Asituations when you can see vessels on radar that you cannot see visuallyBvisibility of less than half a mileCany condition where visibility is restrictedDvisibility where you cannot see shore
单选题Which signal is detected as originating from a SART?（）AThe Morse code distress series S-O-S repeated 3 times followed by DE and the vessel's call signBA line of blip code on a radar screen outward from the SART's position along its line of bearingCA line of blip code on a radar screen inward from the SART's position to its own ship along its line of bearingDNone of these
单选题You are underway in restricted visibility and hear a fog signal forward of the beam. Nothing appears on your radar screen. You must（）.Astop your enginesBsound two prolonged blasts of the whistleCsound the danger signalDslow to bare steerageway
单选题Diurnal aberration is due to（）.Amotion of the Earth in its orbitBrotation of the Earth on its axisCthe body's orbital motion during the time required for its light to reach the EarthDa false horizon
单选题Which statement is true concerning a vessel equipped with operational radar?（）.AThe Master of the vessel must be on the bridge when the radar is in useBThe radar equipment is only required to be used in restricted visibilityCThe use of a radar excuses a vessel from the need of a look-outDThis equipment must be used to obtain early warning of risk of collision
单选题What does a SART signal sound or look like?（）AIt transmits SOS and the vessel's name and position in slow speed Morse CodeBIt will appear on a radar unit's PPI as a line of dots radiating outward with the innermost dot indicating the SART's positionCIt will appear on a radar unit's PPI as a line of dots radiating outward with the outermost dot indicating the SART's positionDNone of the above
单选题（）should be used during the poor visibility if the radar’s screen shows heavy sea returns.AGain ControlBBrilliant ControlCAnti-clutter Sea ControlDSweep Intercept
单选题An engineer is reviewing another engineer's sample configuration for a GRE tunnel used to pass IPv6 traffiC. The tunnel ha s not yet been configured on the router. Which of the following commands is not required for the configuration to pass IPv6 traffic?（）Atunnel sourceBtunnel destinationCtunnel modeDAll these commands are requireD
单选题Radar reflectors are required for（）.Aall fishing vessels over 39 feet in lengthBsail-propelled fishing vesselsCall fishing vessels of less than 200 GTDwooden hull fishing vessels with a poor radar echo
单选题Which statement is TRUE concerning a vessel equipped with operational radar?（）.AShe must use this equipment to obtain early warning of risk of collisionBThe use of a radar excuses a vessel from the need of a look-outCThe radar equipment is only required to be used in restricted visibilityDThe safe speed of such a vessel will likely be greater than that of vessels without radar
单选题Radar reflectors are required for（）.Aall fishing vessels over 39 feet in lengthBsail-propelled fishing vesselsCall fishing vessels of less than 200 GTDwooden hull fishing vessels with a poor radar echo
单选题Coast Guard approved buoyant work vests（）.Amay be substituted for 10 percent of the required life preserversBshould be stowed adjacent to lifeboats and emergency stationsCmay be used by boat crews and line handlers during lifeboat drillsDshould be used when carrying out duties near a weather deck's edge
单选题Which procedure(s) shall be used to determine risk of collision? （）AWatching the compass bearing of an approaching vesselBSystematic observation of objects detected by radarCLong-range radar scanningDAll of the above
单选题Planetary aberration is due，in part，to（）.Arefraction of light as it enters the Earth's atmosphereBrotation of the Earth on it's axisCthe body's orbital motion during the time required for its light to reach EarthDa false horizon
单选题You have abandoned ship in tropical waters. Which procedure(s) should be used during a prolonged period in a raft?（）.AWet clothes during the day to decrease perspirationBGet plenty of restCKeep the entrance curtains openDAll of the above