On chart，bearings to near objects should be used in preference to objects farther off，because（）.

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• To safeguard the operator and other personnel working on or near a hoisting operation which of the following precautions should be observed?（）

  A . Keep a load on the hoist until all personnel are finished working B . Set the load on a movable dolly when transportation may be needed C . Have one man keep a hand on the load to steady it D . Insure that the lifting gear capacity is not exceeded

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• On a ship’s crane，the load chart relates the allowable load to the combination of the boom length and（）.

  A . winch speed B . boom strength C . load radius D . cable strength

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• If obliged to cross traffic lanes，a vessel shall do so on a heading as nearly as practicable （）to the general direction of traffic flow.

  A . at small angle B . at large angle C . at right angle D . in same direction a

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• On a hydrocarbon flammability chart the line which extends from 0% to 21.8% oxygen，lying tangent to the flammability range，is called the（）.

  A . minimum oxygen content line B . critical displacement line C . critical dilution line D . upper threshold limit

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• When using a Lambert conformal chart in high latitudes，angles such as bearings are measured in reference to （）.

  A . the meridian through the object of the bearing B . the meridian through the ship's position C . the meridian midway between the ship and the object D . any meridia

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• The buoy symbol printed on your chart is leaning to the northeast. This indicates （）.

  A . you should stay to the north or east of the buoy B . you should stay to the west or south of the buoy C . the buoy is a major lighted buoy D . nothing special for navigational purpose

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• The load on the crosshead pin is always （）, so it is the （）half of the bearing which is subject to wear.

  A . upwards；top B . upwards；bottom C . downwards；top D . downwards；bottom

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• （）is a room on or near the bridge provided with the necessary fittings and furniture for the handling and stowage of charts and where the chronometers are placed.

  A . Captain's cabin B . Chief Officer's locker C . Chartroom D . Pilot's cabi

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• At 0630 you increase speed to 12.0 knots. At 0645 Race Rock Light bears 294°pgc. At 0700 Race Rock Light bears 293°pgc. Based on this，you should（）.

  A . alter course to port B . maintain course and speed C . alter course to starboard D . maintain course and reduce speed

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• When two power-driven vessels are meeting on reciprocal or nearly reciprocal courses so as to involve risk of collision，they shall be deemed to be in（）.

  A . crossing situation B . head-on situation C . restricted visibility D . overtaking situatio

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• On this chart only the principle （） to navigation are shown．

  A . equipment's B . tools C . apparatus D . aid

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• You can sleep on the couch in the lounge _ you can go to a nearly hotel.

  A . or B . then C . and D . but

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• Two vessels are approaching each other near head on. What action should be taken to avoid collision?（）.

  A . The first vessel to sight the other should give way B . The vessel making the slower speed should give way C . Both vessels should alter course to starboard D . Both vessels should alter course to port

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• When two power-driven vessels are meeting on reciprocal or nearly reciprocal courses so as to involve risk of collision,they shall be deemed to be in（）.

  A . head-on situation B . crossing situation C . overtaking situation D . close-quarters situatio

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• （）A room on or near the bridge provided with the necessary fittings and furniture for the handling and stowage of charts and where the chronometers are placed.

  A . Captains cabin B . Chief officer;s locker C . Chartroom D . Pilots cabi

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• On a ship crane，the load chart relates the allowable load to the combination of boom length and（）.

  A . boom angle B . boom strength C . load radius D . cable strength

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• The bearing shells depend on the accuracy of （） to held them in a truly circular shape.

  A . the gap B . the clearance C . the bore D . the housing

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• 116. Contour elevation on this chart refer to heights in meters above mean ______.

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• 211. Owing to old data of the survey the positions and the number of the beacon show on this chart are not to be ____.

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• 94. On a Mercator chart, 1 nautical mile is equal to ______.

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• 138. When a feature whose characteristics or descriptions remain unchanged is to be shifted to small distance(s), ______ command is used on a chart.

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• 168. Contour elevations on this chart refer to heights in meters above mean ______.

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• 62. A true bearing of a charted object，when plotted on a chart，will establish a ______.

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• Traditionally， large shippers build factories andwarehouses near rail lines and have a section of track on their property calleda（）where goods are loaded on to or unloaded from railcars.

  A．channel B．road C．siding D．aisle

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