A.Maritime Safety Information B.Maritime Shipping Index C.Maritime Satellite Indicator D.Mariner Safety Intelligence
A.without losing the rhythm of respiration B.only with the help of two other people C.by not stopping the respiration for more than 5 minutes D.at ten minute intervals
A.warmer，less dense，and less stable B.cool，more dense，and drier C.muggy and cloudy D.extremely moist with high relative humidity
A.length between the perpendiculars B.length along the waterline C.length overall D.registered length
A.When at anchor，the pilot vessel is only required to sound anchor signals B.The identification signal must be sounded any time the pilot vessel is underway C.The pilot vessel may only sound the identity signal when making way D.All of the above
A.radio time signal B.comparison with a timepiece of known error C.applying the prevailing chronometer rate to previous readings D.All of the above
A.litmus paper B.combustible gas indicator C.oxygen breathing apparatus D.oxygen indicator
A.Hydrus B.Leo C.Centaurus D.Aquila
A.Ballast Control Operator B.Barge Supervisor C.Master or Offshore Installation Manager D.operators representative
A.the Canadian Coast Guard B.Ice Sarnia C.the Ice Navigation Center D.the icebreaker assigned to the area
