【文章內(nèi)容簡介】 es or vapors from liquids, gases, or solids is known as A. taintingB. contaminationC. oxidationD. vaporization答案：A39. Owing to the big draught of the ship, she has to go alongside by the time of A. flood timeB. ebb tideC. spring tideD. slack water答案：C40. Deviation in a pass is caused by the A. influence of the magnetic materials of the vesselB. vessel’s magnetic fieldC. vessel’s geographic positionD. vessel’s heading答案：A41. Loading cargo operation in hold No. 3 stopped owing to A. gangs availableB. gangs unavailableC. shortage of navigational chartsD. windlass trouble答案：B42. The maneuvering information required to be posted in the wheelhouses must be based on certain conditions. Which of the following is NOT one of these conditions?A. The hull must be cleanB. There must be calm weatherwind 10 knots or less and a calm seaC. There must be no currentD. The depth of the water must be at least one and onehalf times the draft答案：A43. The maximum difference between mean time and apparent time is A. about 16 minutesB. equal to the longitude expressed in time unitsC. the difference between the GHA of mean sun and the first point of AriesD. 15176。of arc答案：A44. You are on watch at sea at night, and a fire breaks out in 3 hold. What would you NOT do immediately?A. Proceed to the space and inspect the extent of the fireB. Shut down the cargo hold ventilationC. Call the MasterD. Sound the fire alarm signal to rouse out all hands答案：A45. Data relating to the direction and velocity of rotary tidal currents can be found in the A. Tide TablesB. Nautical AlmanacC. Mariner’s GuideD. Tidal Current Tables答案：D46. When navigating using DGPS (Differential Global Positioning System) you may expect your position to be accurate to within a radius of A. 50 metersB. 100 meters C. 20 metersD. 10 meters答案：D47. A chart has extensive corrections to be made to it. After having been corrected, the chart is printed again and the chart issue is a A. first editionB. reprintC. new editionD. revised edition答案：C48. You see another vessel approaching, and its pass bearing does not significantly change. This would indicate that A. the other vessel is dead in the waterB. a special circumstances situation existsC. risk of collision existsD. you are the standon vessel答案：C49. What is the right way to use VHF CH16 and working channel?A. Ships can call other ships on Ch16 but should change to a working channel as soon as possibleB. Ch16 is only used as the international distress and calling frequencyC. Ships can use Ch16 or working channel as they likeD. Ships should use working channel to call other ships at any time答案：A50. You are approaching a light fitted with a RACON. The light may be identified on the radar by A. a circle appearing on the scope surrounding the lightB. a dashed line running from the center of the scope to the light C. a coded signal appearing on the same bearing at a greater range than the lightD. an audible signal when the sweep crosses the light答案：C51. The principal purpose of adjustment of the magnetic pass is to eliminate as far as possible.A. deviationB. pass errorC. variationD. earth’s magnetic force答案：A52. Inflammable cargo shall never be stowed in the holds to the engine room.A. relativeB. appropriateC. adjacentD. liable答案：C53. Solid green arrows on the main body of a pilot chart indicate A. shortest great circle routesB. probable surface current flowC. prevailing wind directions