It may be found that，in certain circumstances，Radar Beacon can cause unwanted interference particularly ______．

试卷相关题目

• 1On no account can they cut it ______ it be fouled．

  A.would

  B.shall

  C.should

  D.do

  开始考试点击查看答案
• 2Which of the following statement is correct regarding ship handling when in the vicinity of traffic separation schemes？______．(1)A vessel shall，so far as practicable，avoid crossing traffic lanes (2)If obliged to cross traffic lanes，she shall do so as nearly as practicable at right angles to the general direction of traffic flow．

  A.(1) only

  B.(2) only

  C.Both(1) and (2)

  D.Neither (1) nor (2)

  开始考试点击查看答案
• 3You may find the time of slack water after low water in a certain port from ______．

  A.Deadweight Scale

  B.Tide Tables

  C.Notices to Mariners

  D.Table of Azimuth

  开始考试点击查看答案
• 4Charted depth is the ______．

  A.vertical distance from the tidal datum to the ocean bottom plus the height of the tide

  B.vertical distance from the tidal datum to the ocean bottom

  C.average height of water over a specified period of time

  D.average height of all low waters at a place

  开始考试点击查看答案
• 5How would you pass a red buoy in the maritime buoyage system “A”、

  A.keep the buoy on the vessel’s starboard side when approaching a port and on the vessel’s port side when leaving．

  B.keep the buoy on the vessel’s port side when approaching a port and on the vessel’s starboard side when leaving．

  C.keep the buoy on the vessel’s starboard side when approaching a port and on the vessel’s starboard side when leaving．

  D.keep the buoy on the vessel’s port side when approaching a port and on the vessel’s port side when leaving

  开始考试点击查看答案
• 6Before sailing，mariners on duty shall check the headings of magnetic compass by comparison with ______．

  A.ship's clock

  B.engine movement recorder

  C.repeaters

  D.navigation lights

  开始考试点击查看答案
• 7The radio waves used for radar are very short，only ______ long．

  A.a few centimeters

  B.a few fathoms

  C.a few meters

  D.a few feet

  开始考试点击查看答案
• 8Your radar is set on a true motion display．Which of the following will NOT appear to moveacross the PPI scope、

  A.Echoes from a buoy

  B.Own ship's marker

  C.Echo from a ship on the same course at the same speed

  D.Echo from a ship on a reciprocal course at the same speed

  开始考试点击查看答案
• 9The system will accept a harbor map which is incorrect，therefore the operator must exercise caution in harbor selection．

  A.be considered

  B.be prudent

  C.be bold enough

  D.be carelessness

  开始考试点击查看答案
• 10Calibration Stations give special transmissions for the calibration of ship's ______．

  A.gyro-compass

  B.marine radar

  C.DF

  D.navigational satellite

  开始考试点击查看答案