Which compensates for errors introduced when the vessel heels over ________．A.The soft iron spheres on the arms of the binnacleB.Magnets placed in trays inside the binnacleC.A single vertical magnet beneath the compassD.The Flinders bar

Which of the following would be considered downflooding on a fishing vessel as defined in regulation?

A.Vessel heels until water enters a hatch

B.Vessel in collision floods through a damaged area above the waterline

C.Vessel takes on water due to the hatches being left open in heavy rain

D.Vessel takes on water by the propeller shaft due to failure of the stern gland

For safety reasons，when assistance towing ______．

A.the disabled vessel should be towed to the nearest port

B.the disabled vessel should be inspected for flammable gases

C.passengers should always be removed from the disabled vessel

D.personnel on the disabled vessel should don PFD's

Which statement is TRUE about the use of a“gob rope”________．

A.The gob rope is a mooring line for tying up lighters for working cargo alongside a vessel anchored in an open roadstead

B.The gob rope is used to secure the towline aft over the centerline of a tug

C.The gob rope is a line hung over a vessel's side to assist in boarding

D.The gob rope is a rope used in mooring a vessel to a buoy

When using horizontal sextant angles of three objects to fix your position，an indeterminate position will result in which situation ________．

A.The objects lie in a straight line

B.The vessel is inside of a triangle formed by the objects

C.The vessel is outside of a triangle formed by the objects

D.A circle will pass through your position and the three objects

A vessel is not underway when ______.

A.the anchor is dragging

B.the ahchor is used in docking

C.the ahchor is dredging

D.she is at anchor but yawing heavily

A vessel towing astern in an operation which severely restricts the towing vessel and her tow in their ability to change course shall，when making way，exhibit ______.

A.the masthead lights for a towing vessel

B.the lights for a vessel restricted in its ability to maneuver

C.sidelights，stern light and towing light

D.All of the above

Which______ need NOT be entered in the Official Logbook?

A.The testing of the internal combustion engine driven emergency generators at least once each month the vessel is navigated

B.The testing of storage batteries for emergency lighting and power systems once each 6 months the vessel is navigated

C.The actual draft when the vessel arrives in salt water after departing a port

D.The testing of the line-throwing appliance once every 3 months

Which party must ensure that legal work hour limitations（for both officers and crew members），rest periods and regulations governing work on Sundays and holidays are followed when the vessel is in a safe harbor ________．

A.The owner of the vessel

B.The company operating the vessel

C.The Master of the vessel

D.The company chartering the vessel

A single vertical magnet placed underneath the compass in the binnacle is used to compensate for ______．

A.The horizontal component of the permanent magnetism

B.Deviation caused by the vessel's inclination from the vertical

C.Induced magnetism in the horizontal soft iron

D.Induced magnetism in the vertical soft iron