Which buoy will NOT display white retro reflective material ________.A.Safe water markB.Isolated danger markC.Preferred channel markD.Daymark of no lateral significance

Which buoy will NOT display white retro reflective material ________.

A.Safe water mark

B.Isolated danger mark

C.Preferred channel mark

D.Daymark of no lateral significance


相关考题:

Personnel who are moving or handling material aboard ship should NOT follow which of the listed practices?A.Signaling that all personnel are clear before lifting or lowering materialB.Examining material for sharp edges or protruding points before handlingC.Closing, tagging or securing valves that permit entrance of steam, water, or air into a fitting or other equipmentD.Throwing materials from high places to the deck

A survey (special purpose mark) buoy ______.A.must be lightedB.may have a flashing red lightC.may have a fixed white lightD.None of the above

A vessel trawling will display a ______.A.red light over a white lightB.green light over a white lightC.yellow light over a red lightD.white light over a green light

You are sailing south on the Intracoastal Waterway(ICW)when you sight a green can buoy with a yellow square painted on it.Which of the following is TRUE ________.A.You should pass the buoy close aboard on either sideB.The buoy marks the end of the ICW in that areaC.You should leave the buoy to portD.The yellow square is retroreflective material used to assist in sighting the buoy at night

A buoy marking a wreck will show a(an) ______.A.white light FL (2) and a topmark of 2 black spheresB.occulting green light and may be letteredC.yellow light and will be numberedD.continuous quick white light and may be numbered

单选题A preferred-channel buoy will show a().Awhite light whose characteristic is Morse (A)Bgroup-occulting white lightCcomposite group-flashing (2 + 1) white lightDcomposite group-flashing (2 + 1) red or green light

单选题A preferred-channel buoy may be().AletteredBsphericalCshowing a white lightDAll of the above

单选题In the Uniform Cardinal System of Buoyage,a buoy in the eastern quadrant from a danger could().Abe black and white horizontally stripedBbe black and white vertically stripedChave a red top markDbe any of the above

单选题As you approach mile 427.6 AHP,you see on the right side a white buoy with orange bands and diamond. This buoy marks().Aa cable crossingBa sunken bargeCa submerged discharge pipeDthe end of a wharf

单选题A white buoy with an open-faced orange diamond on it indicates().AdangerBvessels are excluded from the areaCthe buoy is a mooring buoyDoperating restrictions are in effect

单选题A white buoy with an orange rectangle on it displays().AdirectionsBdangersCexclusion areasDAll of the above

单选题When using a buoy as an aid to navigation which of the following should be considered?()AThe buoy should be considered to always be in the charted locationBIf the light is flashing,the buoy should be considered to be in the charted locationCThe buoy may not be in the charted positionDThe buoy should be considered to be in the charted position if it has been freshly painted

单选题A lighted preferred-channel buoy may show a().Afixed red lightBMorse (A) white lightCcomposite group-flashing lightDyellow light

单选题A special purpose buoy shall be().Alighted with a white lightBstriped black and redClighted with a red lightDyellow

单选题A vessel trawling will display a().Ared light over a white lightBgreen light over a white lightCyellow light over a red lightDwhite light over a green light

单选题What indicates a dual purpose buoy? ()ARed buoy with a horizontal yellow bandBRed and white vertically-striped buoy with a vertical yellow stripeCRed and white vertically-striped buoy with a red spherical topmarkDGreen buoy with a yellow square

单选题Which of the following statements is correct concerning diesel engine cooling water systems?()AEach engine must have its own engine driven cooling water pump capable of providing cooling for all ranges of operationBpropulsion engines with bores exceeding 200 mm are to be fitted with a means to display the cooling water temperature of each cylinderCAt least two independent sea suctions are to be provided for supplying water to the engine jackets or to the heat exchangersDSuitable strain are to be fitted between the circulating pumps and heat exchangers when sea water is used for direct cooling

单选题An orange and white buoy indicating a vessel-exclusion area will be marked with what symbol? ()AOpen-faced diamondBDiamond with a crossCCircleDSquare

单选题An orange and white buoy with a rectangle on it displays().AdirectionsBdistancesClocationsDAll of the above

单选题An orange and white buoy marking an area where operating restrictions are in effect will be marked with which symbol? ()AOpen-faced diamondBDiamond with a crossCCircleDRectangle

单选题Which buoy will NOT display white retro reflective material().ASafe water markBIsolated danger markCPreferred channel markDDaymark of no lateral significance

单选题An orange and white buoy marking a danger area will have what symbol on it?()AOpen-faced diamondBDiamond with a crossCCircleDSquare

单选题Which of the materials listed is used as the dynamic seal material on mechanical seals installed on most centrifugal pumps used in water service?()ACopperBCopper and carbonCCarbonDBronze

单选题You have been informed that dredging operations may be underway in your vicinity.Which buoy indicates the dredging area().AWhite buoy with a green topBWhite and international orange buoyCYellow buoyDYellow and black vertically-striped buoy

单选题A large navigational buoy (LNB) is painted().AredByellowCwith red and white vertical stripesDwith a distinct color and pattern unique to each buoy

单选题Personnel who are moving or handling material aboard ship should NOT follow which of the listed practices?()Asignaling that all personnel are clear before lifting or lowering materialBExamining material for sharp edges or protruding points before handlingCClosing, tagging, or securing valves that permit entrance of steam, water, or air into a fitting or other equipmentDThrowing materials from high places to the deck

单选题Buoys are marked with reflective material to assist in their detection by searchlight. Which statement is TRUE? ()AA safe-water buoy will display red and white vertical stripes of reflective materialBAll reflective material is white because it is the most visible at nightCA special-purpose mark will display either red or green reflective material to agree with its shapeDA preferred-channel buoy displays either red or green reflective material to agree with the top band of color