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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
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更多 “ Which buoy will NOT display white retro reflective material ________．A.Safe water markB.Isolated danger markC.Preferred channel markD.Daymark of no lateral significance ” 相关考题
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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
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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
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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
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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
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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
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单选题A preferred-channel buoy will show a（）.A
white light whose characteristic is Morse (A)B
group-occulting white lightC
composite group-flashing (2 + 1) white lightD
composite group-flashing (2 + 1) red or green light
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单选题A preferred-channel buoy may be（）.A
letteredB
sphericalC
showing a white lightD
All of the above
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单选题In the Uniform Cardinal System of Buoyage，a buoy in the eastern quadrant from a danger could（）.A
be black and white horizontally stripedB
be black and white vertically stripedC
have a red top markD
be any of the above
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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（）.A
a cable crossingB
a sunken bargeC
a submerged discharge pipeD
the end of a wharf
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单选题A white buoy with an open-faced orange diamond on it indicates（）.A
dangerB
vessels are excluded from the areaC
the buoy is a mooring buoyD
operating restrictions are in effect
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单选题A white buoy with an orange rectangle on it displays（）.A
directionsB
dangersC
exclusion areasD
All of the above
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单选题When using a buoy as an aid to navigation which of the following should be considered?（）A
The buoy should be considered to always be in the charted locationB
If the light is flashing，the buoy should be considered to be in the charted locationC
The buoy may not be in the charted positionD
The buoy should be considered to be in the charted position if it has been freshly painted
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单选题A lighted preferred-channel buoy may show a（）.A
fixed red lightB
Morse (A) white lightC
composite group-flashing lightD
yellow light
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单选题A special purpose buoy shall be（）.A
lighted with a white lightB
striped black and redC
lighted with a red lightD
yellow
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单选题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
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单选题What indicates a dual purpose buoy? （）A
Red buoy with a horizontal yellow bandB
Red and white vertically-striped buoy with a vertical yellow stripeC
Red and white vertically-striped buoy with a red spherical topmarkD
Green buoy with a yellow square
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单选题Which of the following statements is correct concerning diesel engine cooling water systems?（）A
Each engine must have its own engine driven cooling water pump capable of providing cooling for all ranges of operationB
propulsion engines with bores exceeding 200 mm are to be fitted with a means to display the cooling water temperature of each cylinderC
At least two independent sea suctions are to be provided for supplying water to the engine jackets or to the heat exchangersD
Suitable strain are to be fitted between the circulating pumps and heat exchangers when sea water is used for direct cooling
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单选题An orange and white buoy indicating a vessel-exclusion area will be marked with what symbol? （）A
Open-faced diamondB
Diamond with a crossC
CircleD
Square
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单选题An orange and white buoy with a rectangle on it displays（）.A
directionsB
distancesC
locationsD
All of the above
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单选题An orange and white buoy marking an area where operating restrictions are in effect will be marked with which symbol? （）A
Open-faced diamondB
Diamond with a crossC
CircleD
Rectangle
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单选题Which buoy will NOT display white retro reflective material（）.A
Safe water markB
Isolated danger markC
Preferred channel markD
Daymark of no lateral significance
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单选题An orange and white buoy marking a danger area will have what symbol on it?（）A
Open-faced diamondB
Diamond with a crossC
CircleD
Square
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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?（）A
CopperB
Copper and carbonC
CarbonD
Bronze
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单选题You have been informed that dredging operations may be underway in your vicinity.Which buoy indicates the dredging area（）.A
White buoy with a green topB
White and international orange buoyC
Yellow buoyD
Yellow and black vertically-striped buoy
考题
单选题A large navigational buoy (LNB) is painted（）.A
redB
yellowC
with red and white vertical stripesD
with a distinct color and pattern unique to each buoy
考题
单选题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
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单选题Buoys are marked with reflective material to assist in their detection by searchlight. Which statement is TRUE? （）A
A safe-water buoy will display red and white vertical stripes of reflective materialB
All reflective material is white because it is the most visible at nightC
A special-purpose mark will display either red or green reflective material to agree with its shapeD
A preferred-channel buoy displays either red or green reflective material to agree with the top band of color
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