A.Gray lines on the uppermost inset chart
B.Red lines on the main body of the chart
C.In parenthesis on the lines of equal magnetic variation
D.Annual rate of change is not shown
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A.Black and white stripes with an interrupted quick flashing light
B.Black and red stripes with a Morse (A) light
C.Black and red stripes with an interrupted quick flashing light
D.Red and white stripes with a Morse (A) light
A.It pulls the stern toward the bank
B.It heels the vessel toward the bank
C.It pushes the entire vessel away from the bank
D.It pulls the bow toward the bank
A.By cooling the oil below the ignition temperature
B.By removing the fuel source from the fire
C.By excluding the oxygen from the fire
D.By increasing the weight of the oil
A.By backing down the track and cutting out ice on either bow
B.By approaching from the stern and crossing ahead at an angle of 20° to 30° to the beset ship's course
C.By overtaking the beset ship，running ahead and then backing down the track to the beset vessel
D.By approaching the vessel from astern and towing the beset vessel stern first
A.It is faster
B.It is slower
C.There is no change
D.It remains constant for varying propeller revolutions
A.By its subscriber number
B.By its call sign
C.By its MMSI
D.By its MID
A.Point the horn down
B.Turn cylinder upside-down
C.Break the rupture disc
D.Pull pin，squeeze grip
A.This requires extensive calculation and is usually performed only by a naval architect not by a ship's officer
B.Determine the point where aground and the draft at that point，then calculate it using the grounding formula
C.Use the hydrostatic tables and enter with the mean draft before grounding and the mean draft after grounding
D.Use the inclining experiment formula and substitute the change of trim for the angle of list
A.The further forward and closer to amidships the more readily the tug will trip
B.Placement further aft permits more effective pulling，better steering and eliminates the danger of tripping
C.Installing the bitts down low lowers the center of gravity
D.The height and position of towing bitts has no significance
A.Drape along brackets
B.Hang vertically in a sheltered area
C.Stow in bins at hatch coming side
D.All of the above
最新试题
Generally，what is used to inflate liferafts?（）
Handholds or straps on the underside of an inflatable liferaft are provided（）.
How do you determine the weight of the vessel that is supported by the ground when a vessel has run aground?（）
How is the external flotation bladder of an immersion suit inflated?（）
How can the Coast Guard determine that a crew member is “able to understand any order spoken by the officers”?（）
How does foam extinguish an oil fire?（）
How is a safe water mark，that can be passed close aboard on either side，painted and lighted?（）
Horizontal subdivision decks forming watertight compartments in the columns of a semisubmersible ship increase the unit’s（）.
How does a vessel’s rate of turn change when entering shallow water?（）
High pressure and low pressure alarms must be tested（）.